summaryrefslogtreecommitdiffstats
path: root/arch/sh
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/Kconfig7
-rw-r--r--arch/sh/boards/Kconfig14
-rw-r--r--arch/sh/boot/dts/Makefile1
-rw-r--r--arch/sh/cchips/hd6446x/Makefile1
-rw-r--r--arch/sh/configs/ap325rxa_defconfig1
-rw-r--r--arch/sh/configs/apsh4a3a_defconfig1
-rw-r--r--arch/sh/configs/apsh4ad0a_defconfig1
-rw-r--r--arch/sh/configs/cayman_defconfig1
-rw-r--r--arch/sh/configs/dreamcast_defconfig1
-rw-r--r--arch/sh/configs/ecovec24-romimage_defconfig1
-rw-r--r--arch/sh/configs/ecovec24_defconfig1
-rw-r--r--arch/sh/configs/edosk7760_defconfig1
-rw-r--r--arch/sh/configs/espt_defconfig1
-rw-r--r--arch/sh/configs/hp6xx_defconfig2
-rw-r--r--arch/sh/configs/kfr2r09-romimage_defconfig1
-rw-r--r--arch/sh/configs/kfr2r09_defconfig1
-rw-r--r--arch/sh/configs/landisk_defconfig1
-rw-r--r--arch/sh/configs/lboxre2_defconfig1
-rw-r--r--arch/sh/configs/magicpanelr2_defconfig1
-rw-r--r--arch/sh/configs/microdev_defconfig1
-rw-r--r--arch/sh/configs/migor_defconfig1
-rw-r--r--arch/sh/configs/polaris_defconfig1
-rw-r--r--arch/sh/configs/r7780mp_defconfig1
-rw-r--r--arch/sh/configs/r7785rp_defconfig1
-rw-r--r--arch/sh/configs/rsk7201_defconfig1
-rw-r--r--arch/sh/configs/rsk7203_defconfig1
-rw-r--r--arch/sh/configs/rsk7264_defconfig1
-rw-r--r--arch/sh/configs/rsk7269_defconfig1
-rw-r--r--arch/sh/configs/rts7751r2d1_defconfig1
-rw-r--r--arch/sh/configs/rts7751r2dplus_defconfig1
-rw-r--r--arch/sh/configs/sdk7780_defconfig1
-rw-r--r--arch/sh/configs/sdk7786_defconfig2
-rw-r--r--arch/sh/configs/se7206_defconfig1
-rw-r--r--arch/sh/configs/se7343_defconfig1
-rw-r--r--arch/sh/configs/se7712_defconfig2
-rw-r--r--arch/sh/configs/se7721_defconfig2
-rw-r--r--arch/sh/configs/se7722_defconfig1
-rw-r--r--arch/sh/configs/se7724_defconfig1
-rw-r--r--arch/sh/configs/sh03_defconfig1
-rw-r--r--arch/sh/configs/sh2007_defconfig2
-rw-r--r--arch/sh/configs/sh7710voipgw_defconfig1
-rw-r--r--arch/sh/configs/sh7724_generic_defconfig1
-rw-r--r--arch/sh/configs/sh7757lcr_defconfig1
-rw-r--r--arch/sh/configs/sh7763rdp_defconfig1
-rw-r--r--arch/sh/configs/sh7770_generic_defconfig1
-rw-r--r--arch/sh/configs/sh7785lcr_32bit_defconfig1
-rw-r--r--arch/sh/configs/sh7785lcr_defconfig1
-rw-r--r--arch/sh/configs/shx3_defconfig1
-rw-r--r--arch/sh/configs/titan_defconfig2
-rw-r--r--arch/sh/configs/ul2_defconfig1
-rw-r--r--arch/sh/configs/urquell_defconfig1
-rw-r--r--arch/sh/include/asm/flat.h7
-rw-r--r--arch/sh/include/asm/io.h6
-rw-r--r--arch/sh/include/asm/pgtable-3level.h3
-rw-r--r--arch/sh/include/asm/pgtable.h37
-rw-r--r--arch/sh/include/asm/ptrace.h29
-rw-r--r--arch/sh/kernel/cpu/sh2a/fpu.c2
-rw-r--r--arch/sh/kernel/cpu/sh4/fpu.c2
-rw-r--r--arch/sh/kernel/cpu/sh5/fpu.c4
-rw-r--r--arch/sh/kernel/hw_breakpoint.c2
-rw-r--r--arch/sh/kernel/kdebugfs.c3
-rw-r--r--arch/sh/kernel/kprobes.c3
-rw-r--r--arch/sh/kernel/ptrace_64.c4
-rw-r--r--arch/sh/kernel/signal_32.c4
-rw-r--r--arch/sh/kernel/signal_64.c4
-rw-r--r--arch/sh/kernel/syscalls/syscall.tbl2
-rw-r--r--arch/sh/kernel/traps.c4
-rw-r--r--arch/sh/kernel/traps_32.c12
-rw-r--r--arch/sh/kernel/traps_64.c2
-rw-r--r--arch/sh/math-emu/Makefile1
-rw-r--r--arch/sh/math-emu/math.c2
-rw-r--r--arch/sh/mm/Makefile2
-rw-r--r--arch/sh/mm/asids-debugfs.c11
-rw-r--r--arch/sh/mm/cache-debugfs.c20
-rw-r--r--arch/sh/mm/cache-j2.c3
-rw-r--r--arch/sh/mm/cache-sh2.c3
-rw-r--r--arch/sh/mm/cache-sh2a.c3
-rw-r--r--arch/sh/mm/cache-sh3.c3
-rw-r--r--arch/sh/mm/cache.c3
-rw-r--r--arch/sh/mm/fault.c29
-rw-r--r--arch/sh/mm/gup.c277
-rw-r--r--arch/sh/mm/init.c3
-rw-r--r--arch/sh/mm/kmap.c3
-rw-r--r--arch/sh/mm/nommu.c3
-rw-r--r--arch/sh/mm/pmb.c9
-rw-r--r--arch/sh/mm/tlb-debugfs.c20
-rw-r--r--arch/sh/mm/tlb-sh3.c3
-rw-r--r--arch/sh/mm/tlb-sh4.c3
-rw-r--r--arch/sh/oprofile/backtrace.c6
89 files changed, 136 insertions, 477 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b77f512bb176..6b1b5941b618 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
config SUPERH
def_bool y
+ select ARCH_HAS_BINFMT_FLAT if !MMU
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_MIGHT_HAVE_PC_PARPORT
@@ -14,6 +15,7 @@ config SUPERH
select HAVE_ARCH_TRACEHOOK
select HAVE_PERF_EVENTS
select HAVE_DEBUG_BUGVERBOSE
+ select HAVE_FAST_GUP if MMU
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
select ARCH_HAS_GCOV_PROFILE_ALL
@@ -63,6 +65,7 @@ config SUPERH
config SUPERH32
def_bool "$(ARCH)" = "sh"
select ARCH_32BIT_OFF_T
+ select GUP_GET_PTE_LOW_HIGH if X2TLB
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_IOREMAP_PROT if MMU && !X2TLB
@@ -623,7 +626,7 @@ config CRASH_DUMP
to a memory address not used by the main kernel using
PHYSICAL_START.
- For more details see Documentation/kdump/kdump.txt
+ For more details see Documentation/admin-guide/kdump/kdump.rst
config KEXEC_JUMP
bool "kexec jump (EXPERIMENTAL)"
@@ -676,7 +679,7 @@ config SMP
People using multiprocessor machines who say Y here should also say
Y to "Enhanced Real Time Clock Support", below.
- See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+ See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
available at <http://www.tldp.org/docs.html#howto>.
If you don't know what to do here, say N.
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index b9a37057b77a..cee24c308337 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -8,27 +8,19 @@ config SH_ALPHA_BOARD
bool
config SH_DEVICE_TREE
- bool "Board Described by Device Tree"
+ bool
select OF
select OF_EARLY_FLATTREE
select TIMER_OF
select COMMON_CLK
select GENERIC_CALIBRATE_DELAY
- help
- Select Board Described by Device Tree to build a kernel that
- does not hard-code any board-specific knowledge but instead uses
- a device tree blob provided by the boot-loader. You must enable
- drivers for any hardware you want to use separately. At this
- time, only boards based on the open-hardware J-Core processors
- have sufficient driver coverage to use this option; do not
- select it if you are using original SuperH hardware.
config SH_JCORE_SOC
bool "J-Core SoC"
- depends on SH_DEVICE_TREE && (CPU_SH2 || CPU_J2)
+ select SH_DEVICE_TREE
select CLKSRC_JCORE_PIT
select JCORE_AIC
- default y if CPU_J2
+ depends on CPU_J2
help
Select this option to include drivers core components of the
J-Core SoC, including interrupt controllers and timers.
diff --git a/arch/sh/boot/dts/Makefile b/arch/sh/boot/dts/Makefile
index 2563d1e532e2..c17d65b82abe 100644
--- a/arch/sh/boot/dts/Makefile
+++ b/arch/sh/boot/dts/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
ifneq ($(CONFIG_BUILTIN_DTB_SOURCE),"")
obj-$(CONFIG_USE_BUILTIN_DTB) += $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_SOURCE)).dtb.o
endif
diff --git a/arch/sh/cchips/hd6446x/Makefile b/arch/sh/cchips/hd6446x/Makefile
index 59c348337bb8..6673e0abef2e 100644
--- a/arch/sh/cchips/hd6446x/Makefile
+++ b/arch/sh/cchips/hd6446x/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_HD64461) += hd64461.o
ccflags-y := -Werror
diff --git a/arch/sh/configs/ap325rxa_defconfig b/arch/sh/configs/ap325rxa_defconfig
index 0ef3f1f9de5c..cc6e4ce53dac 100644
--- a/arch/sh/configs/ap325rxa_defconfig
+++ b/arch/sh/configs/ap325rxa_defconfig
@@ -28,7 +28,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/apsh4a3a_defconfig b/arch/sh/configs/apsh4a3a_defconfig
index 6c7cdc3beb28..530498f18990 100644
--- a/arch/sh/configs/apsh4a3a_defconfig
+++ b/arch/sh/configs/apsh4a3a_defconfig
@@ -29,7 +29,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/apsh4ad0a_defconfig b/arch/sh/configs/apsh4ad0a_defconfig
index d0d9ebc7165b..6dd0da73ca5a 100644
--- a/arch/sh/configs/apsh4ad0a_defconfig
+++ b/arch/sh/configs/apsh4ad0a_defconfig
@@ -53,7 +53,6 @@ CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/cayman_defconfig b/arch/sh/configs/cayman_defconfig
index 5a90e24aa8a6..911437c163c7 100644
--- a/arch/sh/configs/cayman_defconfig
+++ b/arch/sh/configs/cayman_defconfig
@@ -19,7 +19,6 @@ CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/sh/configs/dreamcast_defconfig b/arch/sh/configs/dreamcast_defconfig
index 1d27666c029f..ae067e0b15e3 100644
--- a/arch/sh/configs/dreamcast_defconfig
+++ b/arch/sh/configs/dreamcast_defconfig
@@ -32,7 +32,6 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_FW_LOADER is not set
CONFIG_GDROM=y
diff --git a/arch/sh/configs/ecovec24-romimage_defconfig b/arch/sh/configs/ecovec24-romimage_defconfig
index bdb61d1d0127..5c60e71d839e 100644
--- a/arch/sh/configs/ecovec24-romimage_defconfig
+++ b/arch/sh/configs/ecovec24-romimage_defconfig
@@ -26,7 +26,6 @@ CONFIG_INET=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
index ba67e3752938..2fb7db4957ce 100644
--- a/arch/sh/configs/ecovec24_defconfig
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -31,7 +31,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
CONFIG_IRDA=y
CONFIG_SH_SIR=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/edosk7760_defconfig b/arch/sh/configs/edosk7760_defconfig
index aab4ff1e247c..02ba62298576 100644
--- a/arch/sh/configs/edosk7760_defconfig
+++ b/arch/sh/configs/edosk7760_defconfig
@@ -31,7 +31,6 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_DEBUG_DRIVER=y
CONFIG_DEBUG_DEVRES=y
diff --git a/arch/sh/configs/espt_defconfig b/arch/sh/configs/espt_defconfig
index 444d75947e70..a5b865a75d22 100644
--- a/arch/sh/configs/espt_defconfig
+++ b/arch/sh/configs/espt_defconfig
@@ -26,7 +26,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/hp6xx_defconfig b/arch/sh/configs/hp6xx_defconfig
index 4dcf7f552582..a92db6694ce2 100644
--- a/arch/sh/configs/hp6xx_defconfig
+++ b/arch/sh/configs/hp6xx_defconfig
@@ -18,7 +18,6 @@ CONFIG_HD64461_ENABLER=y
CONFIG_PCCARD=y
CONFIG_PM=y
CONFIG_APM_EMULATION=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
CONFIG_BLK_DEV_SD=y
CONFIG_ATA=y
@@ -40,7 +39,6 @@ CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_HIT=y
CONFIG_FB_SH_MOBILE_LCDC=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FONTS=y
CONFIG_FONT_PEARL_8x8=y
diff --git a/arch/sh/configs/kfr2r09-romimage_defconfig b/arch/sh/configs/kfr2r09-romimage_defconfig
index 9cc37f29e3b4..04436b4fbd76 100644
--- a/arch/sh/configs/kfr2r09-romimage_defconfig
+++ b/arch/sh/configs/kfr2r09-romimage_defconfig
@@ -28,7 +28,6 @@ CONFIG_INET=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
diff --git a/arch/sh/configs/kfr2r09_defconfig b/arch/sh/configs/kfr2r09_defconfig
index 46693d033644..1dc3f670c481 100644
--- a/arch/sh/configs/kfr2r09_defconfig
+++ b/arch/sh/configs/kfr2r09_defconfig
@@ -35,7 +35,6 @@ CONFIG_INET=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/landisk_defconfig b/arch/sh/configs/landisk_defconfig
index 467f4d2d8e87..567af752b1bb 100644
--- a/arch/sh/configs/landisk_defconfig
+++ b/arch/sh/configs/landisk_defconfig
@@ -26,7 +26,6 @@ CONFIG_IP_PNP=y
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
CONFIG_ATALK=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_IDE=y
diff --git a/arch/sh/configs/lboxre2_defconfig b/arch/sh/configs/lboxre2_defconfig
index 9e3edfdf9b2e..10f6d371ce2c 100644
--- a/arch/sh/configs/lboxre2_defconfig
+++ b/arch/sh/configs/lboxre2_defconfig
@@ -29,7 +29,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_PNP=y
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/magicpanelr2_defconfig b/arch/sh/configs/magicpanelr2_defconfig
index fb7415dbc102..664c4dee6e6a 100644
--- a/arch/sh/configs/magicpanelr2_defconfig
+++ b/arch/sh/configs/magicpanelr2_defconfig
@@ -35,7 +35,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_MTD=y
diff --git a/arch/sh/configs/microdev_defconfig b/arch/sh/configs/microdev_defconfig
index c3f7d5899922..ed84d1303acf 100644
--- a/arch/sh/configs/microdev_defconfig
+++ b/arch/sh/configs/microdev_defconfig
@@ -19,7 +19,6 @@ CONFIG_NET=y
CONFIG_INET=y
CONFIG_IP_PNP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_IDE=y
diff --git a/arch/sh/configs/migor_defconfig b/arch/sh/configs/migor_defconfig
index 121a75d65fb4..494a1675c226 100644
--- a/arch/sh/configs/migor_defconfig
+++ b/arch/sh/configs/migor_defconfig
@@ -26,7 +26,6 @@ CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
diff --git a/arch/sh/configs/polaris_defconfig b/arch/sh/configs/polaris_defconfig
index 87641b7d6c4e..e3a1d3d2694a 100644
--- a/arch/sh/configs/polaris_defconfig
+++ b/arch/sh/configs/polaris_defconfig
@@ -37,7 +37,6 @@ CONFIG_IP_MULTICAST=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/r7780mp_defconfig b/arch/sh/configs/r7780mp_defconfig
index 435bcd66c667..0a18f8011c55 100644
--- a/arch/sh/configs/r7780mp_defconfig
+++ b/arch/sh/configs/r7780mp_defconfig
@@ -36,7 +36,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
CONFIG_BRIDGE=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_MTD=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/r7785rp_defconfig b/arch/sh/configs/r7785rp_defconfig
index 5877e6d1f285..7226ac5a1d44 100644
--- a/arch/sh/configs/r7785rp_defconfig
+++ b/arch/sh/configs/r7785rp_defconfig
@@ -43,7 +43,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
CONFIG_BRIDGE=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/rsk7201_defconfig b/arch/sh/configs/rsk7201_defconfig
index b195bc01e406..9f4f474705b7 100644
--- a/arch/sh/configs/rsk7201_defconfig
+++ b/arch/sh/configs/rsk7201_defconfig
@@ -31,7 +31,6 @@ CONFIG_BINFMT_ZFLAT=y
CONFIG_BINFMT_SHARED_FLAT=y
CONFIG_PM=y
CONFIG_CPU_IDLE=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
diff --git a/arch/sh/configs/rsk7203_defconfig b/arch/sh/configs/rsk7203_defconfig
index 8c471959bbc7..10a32bd4cf66 100644
--- a/arch/sh/configs/rsk7203_defconfig
+++ b/arch/sh/configs/rsk7203_defconfig
@@ -45,7 +45,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
diff --git a/arch/sh/configs/rsk7264_defconfig b/arch/sh/configs/rsk7264_defconfig
index ad003ee469ea..2b0572b497c1 100644
--- a/arch/sh/configs/rsk7264_defconfig
+++ b/arch/sh/configs/rsk7264_defconfig
@@ -36,7 +36,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/sh/configs/rsk7269_defconfig b/arch/sh/configs/rsk7269_defconfig
index 27fc01d58cf8..fb9fa7faf635 100644
--- a/arch/sh/configs/rsk7269_defconfig
+++ b/arch/sh/configs/rsk7269_defconfig
@@ -25,7 +25,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/rts7751r2d1_defconfig b/arch/sh/configs/rts7751r2d1_defconfig
index 379d673f5ce8..6a3cfe08295f 100644
--- a/arch/sh/configs/rts7751r2d1_defconfig
+++ b/arch/sh/configs/rts7751r2d1_defconfig
@@ -22,7 +22,6 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/rts7751r2dplus_defconfig b/arch/sh/configs/rts7751r2dplus_defconfig
index 11177bceda83..2b3d7d280672 100644
--- a/arch/sh/configs/rts7751r2dplus_defconfig
+++ b/arch/sh/configs/rts7751r2dplus_defconfig
@@ -22,7 +22,6 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
diff --git a/arch/sh/configs/sdk7780_defconfig b/arch/sh/configs/sdk7780_defconfig
index 95e5208b8260..d10a0414123a 100644
--- a/arch/sh/configs/sdk7780_defconfig
+++ b/arch/sh/configs/sdk7780_defconfig
@@ -41,7 +41,6 @@ CONFIG_IP_PNP_BOOTP=y
CONFIG_IPV6=y
# CONFIG_INET6_XFRM_MODE_BEET is not set
CONFIG_NET_SCHED=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_PARPORT=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/sh/configs/sdk7786_defconfig b/arch/sh/configs/sdk7786_defconfig
index 5209889765ad..7fa116b436c3 100644
--- a/arch/sh/configs/sdk7786_defconfig
+++ b/arch/sh/configs/sdk7786_defconfig
@@ -91,7 +91,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
@@ -191,7 +190,6 @@ CONFIG_CONFIGFS_FS=y
CONFIG_JFFS2_FS=m
CONFIG_JFFS2_FS_XATTR=y
CONFIG_UBIFS_FS=m
-CONFIG_LOGFS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
CONFIG_ROMFS_FS=m
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
index 3553acd5edb1..a93402b3a319 100644
--- a/arch/sh/configs/se7206_defconfig
+++ b/arch/sh/configs/se7206_defconfig
@@ -58,7 +58,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
diff --git a/arch/sh/configs/se7343_defconfig b/arch/sh/configs/se7343_defconfig
index fc77a67b16e7..06d067c842cd 100644
--- a/arch/sh/configs/se7343_defconfig
+++ b/arch/sh/configs/se7343_defconfig
@@ -28,7 +28,6 @@ CONFIG_INET=y
CONFIG_SYN_COOKIES=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/se7712_defconfig b/arch/sh/configs/se7712_defconfig
index 5a1097641247..9a527f978106 100644
--- a/arch/sh/configs/se7712_defconfig
+++ b/arch/sh/configs/se7712_defconfig
@@ -63,8 +63,6 @@ CONFIG_NET_SCH_NETEM=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_FW=y
-CONFIG_NET_CLS_IND=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/se7721_defconfig b/arch/sh/configs/se7721_defconfig
index 9c0ef13bee10..3b0e1eb6e874 100644
--- a/arch/sh/configs/se7721_defconfig
+++ b/arch/sh/configs/se7721_defconfig
@@ -62,8 +62,6 @@ CONFIG_NET_SCH_NETEM=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_FW=y
-CONFIG_NET_CLS_IND=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/se7722_defconfig b/arch/sh/configs/se7722_defconfig
index ccc7fc423fde..88bf9e849008 100644
--- a/arch/sh/configs/se7722_defconfig
+++ b/arch/sh/configs/se7722_defconfig
@@ -26,7 +26,6 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/se7724_defconfig b/arch/sh/configs/se7724_defconfig
index 9f6d46d58554..0e8d5cc1e107 100644
--- a/arch/sh/configs/se7724_defconfig
+++ b/arch/sh/configs/se7724_defconfig
@@ -30,7 +30,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/sh03_defconfig b/arch/sh/configs/sh03_defconfig
index 489ffdfb1517..e5beb625ab88 100644
--- a/arch/sh/configs/sh03_defconfig
+++ b/arch/sh/configs/sh03_defconfig
@@ -34,7 +34,6 @@ CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FW_LOADER is not set
diff --git a/arch/sh/configs/sh2007_defconfig b/arch/sh/configs/sh2007_defconfig
index a1cf6447dbb1..99975db461d8 100644
--- a/arch/sh/configs/sh2007_defconfig
+++ b/arch/sh/configs/sh2007_defconfig
@@ -44,7 +44,6 @@ CONFIG_NET_IPIP=y
# CONFIG_IPV6 is not set
CONFIG_NETWORK_SECMARK=y
CONFIG_NET_PKTGEN=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_CDROM_PKTCDVD=y
@@ -85,7 +84,6 @@ CONFIG_WATCHDOG=y
CONFIG_SH_WDT=y
CONFIG_SSB=y
CONFIG_FB=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
diff --git a/arch/sh/configs/sh7710voipgw_defconfig b/arch/sh/configs/sh7710voipgw_defconfig
index 65a1aad899c8..c86f28442a80 100644
--- a/arch/sh/configs/sh7710voipgw_defconfig
+++ b/arch/sh/configs/sh7710voipgw_defconfig
@@ -32,7 +32,6 @@ CONFIG_NET_CLS_BASIC=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_U32=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/sh7724_generic_defconfig b/arch/sh/configs/sh7724_generic_defconfig
index d04bc27aa816..9adee9010319 100644
--- a/arch/sh/configs/sh7724_generic_defconfig
+++ b/arch/sh/configs/sh7724_generic_defconfig
@@ -15,7 +15,6 @@ CONFIG_KEXEC=y
CONFIG_KEXEC_JUMP=y
CONFIG_HIBERNATION=y
CONFIG_CPU_IDLE=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
diff --git a/arch/sh/configs/sh7757lcr_defconfig b/arch/sh/configs/sh7757lcr_defconfig
index b0c4bc830fb8..9f2aed0b3bca 100644
--- a/arch/sh/configs/sh7757lcr_defconfig
+++ b/arch/sh/configs/sh7757lcr_defconfig
@@ -33,7 +33,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IPV6=y
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/sh7763rdp_defconfig b/arch/sh/configs/sh7763rdp_defconfig
index 405bf62d22d0..d0a0aa74cecf 100644
--- a/arch/sh/configs/sh7763rdp_defconfig
+++ b/arch/sh/configs/sh7763rdp_defconfig
@@ -26,7 +26,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLKDEVS=y
diff --git a/arch/sh/configs/sh7770_generic_defconfig b/arch/sh/configs/sh7770_generic_defconfig
index e5b733c2d988..c17590f0df67 100644
--- a/arch/sh/configs/sh7770_generic_defconfig
+++ b/arch/sh/configs/sh7770_generic_defconfig
@@ -17,7 +17,6 @@ CONFIG_KEXEC_JUMP=y
CONFIG_PM=y
CONFIG_HIBERNATION=y
CONFIG_CPU_IDLE=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
diff --git a/arch/sh/configs/sh7785lcr_32bit_defconfig b/arch/sh/configs/sh7785lcr_32bit_defconfig
index a89ccc15af23..9b885c14c400 100644
--- a/arch/sh/configs/sh7785lcr_32bit_defconfig
+++ b/arch/sh/configs/sh7785lcr_32bit_defconfig
@@ -43,7 +43,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/sh7785lcr_defconfig b/arch/sh/configs/sh7785lcr_defconfig
index 5201bb78c6f9..1b88929083f7 100644
--- a/arch/sh/configs/sh7785lcr_defconfig
+++ b/arch/sh/configs/sh7785lcr_defconfig
@@ -26,7 +26,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/configs/shx3_defconfig b/arch/sh/configs/shx3_defconfig
index 755c4f73c718..dc2be2514b62 100644
--- a/arch/sh/configs/shx3_defconfig
+++ b/arch/sh/configs/shx3_defconfig
@@ -59,7 +59,6 @@ CONFIG_CAN=m
CONFIG_CAN_RAW=m
CONFIG_CAN_BCM=m
CONFIG_CAN_VCAN=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig
index 822fa9e96f74..4ec961ace688 100644
--- a/arch/sh/configs/titan_defconfig
+++ b/arch/sh/configs/titan_defconfig
@@ -142,8 +142,6 @@ CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=m
CONFIG_NET_ACT_IPT=m
CONFIG_NET_ACT_PEDIT=m
-CONFIG_NET_CLS_IND=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_CONNECTOR=m
CONFIG_MTD=m
diff --git a/arch/sh/configs/ul2_defconfig b/arch/sh/configs/ul2_defconfig
index 1b7412df12e0..dc2e3061130f 100644
--- a/arch/sh/configs/ul2_defconfig
+++ b/arch/sh/configs/ul2_defconfig
@@ -33,7 +33,6 @@ CONFIG_CFG80211=y
CONFIG_MAC80211=y
CONFIG_MAC80211_RC_PID=y
# CONFIG_MAC80211_RC_MINSTREL is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/sh/configs/urquell_defconfig b/arch/sh/configs/urquell_defconfig
index f891045e633a..cb2f56468fe0 100644
--- a/arch/sh/configs/urquell_defconfig
+++ b/arch/sh/configs/urquell_defconfig
@@ -46,7 +46,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h
index 843d458b8329..fee4f25555cb 100644
--- a/arch/sh/include/asm/flat.h
+++ b/arch/sh/include/asm/flat.h
@@ -11,11 +11,8 @@
#include <asm/unaligned.h>
-#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
- u32 *addr, u32 *persistent)
+ u32 *addr)
{
*addr = get_unaligned((__force u32 *)rp);
return 0;
@@ -25,8 +22,6 @@ static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
put_unaligned(addr, (__force u32 *)rp);
return 0;
}
-#define flat_get_relocate_addr(rel) (rel)
-#define flat_set_persistent(relval, p) ({ (void)p; 0; })
#define FLAT_PLAT_INIT(_r) \
do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index c28e37a344ad..ac0561960c52 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -369,7 +369,11 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
#define ioremap_nocache ioremap
#define ioremap_uc ioremap
-#define iounmap __iounmap
+
+static inline void iounmap(void __iomem *addr)
+{
+ __iounmap(addr);
+}
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h
index 7d8587eb65ff..779260b721ca 100644
--- a/arch/sh/include/asm/pgtable-3level.h
+++ b/arch/sh/include/asm/pgtable-3level.h
@@ -38,6 +38,9 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
return pud_val(pud);
}
+/* only used by the stubbed out hugetlb gup code, should never be called */
+#define pud_page(pud) NULL
+
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
{
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 3587103afe59..9085d1142fa3 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -149,6 +149,43 @@ extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
+static inline bool __pte_access_permitted(pte_t pte, u64 prot)
+{
+ return (pte_val(pte) & (prot | _PAGE_SPECIAL)) == prot;
+}
+
+#ifdef CONFIG_X2TLB
+static inline bool pte_access_permitted(pte_t pte, bool write)
+{
+ u64 prot = _PAGE_PRESENT;
+
+ prot |= _PAGE_EXT(_PAGE_EXT_KERN_READ | _PAGE_EXT_USER_READ);
+ if (write)
+ prot |= _PAGE_EXT(_PAGE_EXT_KERN_WRITE | _PAGE_EXT_USER_WRITE);
+ return __pte_access_permitted(pte, prot);
+}
+#elif defined(CONFIG_SUPERH64)
+static inline bool pte_access_permitted(pte_t pte, bool write)
+{
+ u64 prot = _PAGE_PRESENT | _PAGE_USER | _PAGE_READ;
+
+ if (write)
+ prot |= _PAGE_WRITE;
+ return __pte_access_permitted(pte, prot);
+}
+#else
+static inline bool pte_access_permitted(pte_t pte, bool write)
+{
+ u64 prot = _PAGE_PRESENT | _PAGE_USER;
+
+ if (write)
+ prot |= _PAGE_RW;
+ return __pte_access_permitted(pte, prot);
+}
+#endif
+
+#define pte_access_permitted pte_access_permitted
+
/* arch/sh/mm/mmap.c */
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 9143c7babcbe..6c89e3e04cee 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -16,8 +16,31 @@
#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
#define kernel_stack_pointer(_regs) ((unsigned long)(_regs)->regs[15])
-#define GET_FP(regs) ((regs)->regs[14])
-#define GET_USP(regs) ((regs)->regs[15])
+static inline unsigned long instruction_pointer(struct pt_regs *regs)
+{
+ return regs->pc;
+}
+static inline void instruction_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->pc = val;
+}
+
+static inline unsigned long frame_pointer(struct pt_regs *regs)
+{
+ return regs->regs[14];
+}
+
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[15];
+}
+
+static inline void user_stack_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->regs[15] = val;
+}
#define arch_has_single_step() (1)
@@ -112,7 +135,5 @@ static inline unsigned long profile_pc(struct pt_regs *regs)
return pc;
}
-#define profile_pc profile_pc
-#include <asm-generic/ptrace.h>
#endif /* __ASM_SH_PTRACE_H */
diff --git a/arch/sh/kernel/cpu/sh2a/fpu.c b/arch/sh/kernel/cpu/sh2a/fpu.c
index 74b48db86dd7..0bcff11a4843 100644
--- a/arch/sh/kernel/cpu/sh2a/fpu.c
+++ b/arch/sh/kernel/cpu/sh2a/fpu.c
@@ -568,5 +568,5 @@ BUILD_TRAP_HANDLER(fpu_error)
return;
}
- force_sig(SIGFPE, tsk);
+ force_sig(SIGFPE);
}
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index 1ff56e5ba990..03ffd8cdf542 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -421,5 +421,5 @@ BUILD_TRAP_HANDLER(fpu_error)
}
}
- force_sig(SIGFPE, tsk);
+ force_sig(SIGFPE);
}
diff --git a/arch/sh/kernel/cpu/sh5/fpu.c b/arch/sh/kernel/cpu/sh5/fpu.c
index 9218d9ed787e..3966b5ee8e93 100644
--- a/arch/sh/kernel/cpu/sh5/fpu.c
+++ b/arch/sh/kernel/cpu/sh5/fpu.c
@@ -100,9 +100,7 @@ void restore_fpu(struct task_struct *tsk)
asmlinkage void do_fpu_error(unsigned long ex, struct pt_regs *regs)
{
- struct task_struct *tsk = current;
-
regs->pc += 4;
- force_sig(SIGFPE, tsk);
+ force_sig(SIGFPE);
}
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
index bc96b16288c1..3bd010b4c55f 100644
--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -338,7 +338,7 @@ static int __kprobes hw_breakpoint_handler(struct die_args *args)
/* Deliver the signal to userspace */
if (!arch_check_bp_in_kernelspace(&bp->hw.info)) {
force_sig_fault(SIGTRAP, TRAP_HWBKPT,
- (void __user *)NULL, current);
+ (void __user *)NULL);
}
rcu_read_unlock();
diff --git a/arch/sh/kernel/kdebugfs.c b/arch/sh/kernel/kdebugfs.c
index 95428e05d212..8b505e1556a5 100644
--- a/arch/sh/kernel/kdebugfs.c
+++ b/arch/sh/kernel/kdebugfs.c
@@ -9,9 +9,6 @@ EXPORT_SYMBOL(arch_debugfs_dir);
static int __init arch_kdebugfs_init(void)
{
arch_debugfs_dir = debugfs_create_dir("sh", NULL);
- if (!arch_debugfs_dir)
- return -ENOMEM;
-
return 0;
}
arch_initcall(arch_kdebugfs_init);
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 1f8c0d30567f..318296f48f1a 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -485,7 +485,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
addr = (kprobe_opcode_t *) (args->regs->pc);
- if (val == DIE_TRAP) {
+ if (val == DIE_TRAP &&
+ args->trapnr == (BREAKPOINT_INSTRUCTION & 0xff)) {
if (!kprobe_running()) {
if (kprobe_handler(args->regs)) {
ret = NOTIFY_STOP;
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 3390349ff976..11085e48eaa6 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -550,7 +550,7 @@ asmlinkage void do_single_step(unsigned long long vec, struct pt_regs *regs)
continually stepping. */
local_irq_enable();
regs->sr &= ~SR_SSTEP;
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
/* Called with interrupts disabled */
@@ -561,7 +561,7 @@ BUILD_TRAP_HANDLER(breakpoint)
/* We need to forward step the PC, to counteract the backstep done
in signal.c. */
local_irq_enable();
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
regs->pc += 4;
}
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 2a2121ba8ebe..24473fa6c3b6 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -176,7 +176,7 @@ asmlinkage int sys_sigreturn(void)
return r0;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -207,7 +207,7 @@ asmlinkage int sys_rt_sigreturn(void)
return r0;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index f1f1598879c2..b9aaa9266b34 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -277,7 +277,7 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3,
return (int) ret;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -311,7 +311,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
return (int) ret;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index 016a727d4357..b5ed26c4c005 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -436,3 +436,5 @@
431 common fsconfig sys_fsconfig
432 common fsmount sys_fsmount
433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 8b49cced663d..63cf17bc760d 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -141,7 +141,7 @@ BUILD_TRAP_HANDLER(debug)
SIGTRAP) == NOTIFY_STOP)
return;
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
/*
@@ -167,7 +167,7 @@ BUILD_TRAP_HANDLER(bug)
}
#endif
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
BUILD_TRAP_HANDLER(nmi)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index f2a18b5fafd8..058c6181bb30 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -533,7 +533,7 @@ uspace_segv:
"access (PC %lx PR %lx)\n", current->comm, regs->pc,
regs->pr);
- force_sig_fault(SIGBUS, si_code, (void __user *)address, current);
+ force_sig_fault(SIGBUS, si_code, (void __user *)address);
} else {
inc_unaligned_kernel_access();
@@ -603,7 +603,7 @@ asmlinkage void do_divide_error(unsigned long r4)
/* Let gcc know unhandled cases don't make it past here */
return;
}
- force_sig_fault(SIGFPE, code, NULL, current);
+ force_sig_fault(SIGFPE, code, NULL);
}
#endif
@@ -611,7 +611,6 @@ asmlinkage void do_reserved_inst(void)
{
struct pt_regs *regs = current_pt_regs();
unsigned long error_code;
- struct task_struct *tsk = current;
#ifdef CONFIG_SH_FPU_EMU
unsigned short inst = 0;
@@ -633,7 +632,7 @@ asmlinkage void do_reserved_inst(void)
/* Enable DSP mode, and restart instruction. */
regs->sr |= SR_DSP;
/* Save DSP mode */
- tsk->thread.dsp_status.status |= SR_DSP;
+ current->thread.dsp_status.status |= SR_DSP;
return;
}
#endif
@@ -641,7 +640,7 @@ asmlinkage void do_reserved_inst(void)
error_code = lookup_exception_vector();
local_irq_enable();
- force_sig(SIGILL, tsk);
+ force_sig(SIGILL);
die_if_no_fixup("reserved instruction", regs, error_code);
}
@@ -697,7 +696,6 @@ asmlinkage void do_illegal_slot_inst(void)
{
struct pt_regs *regs = current_pt_regs();
unsigned long inst;
- struct task_struct *tsk = current;
if (kprobe_handle_illslot(regs->pc) == 0)
return;
@@ -716,7 +714,7 @@ asmlinkage void do_illegal_slot_inst(void)
inst = lookup_exception_vector();
local_irq_enable();
- force_sig(SIGILL, tsk);
+ force_sig(SIGILL);
die_if_no_fixup("illegal slot instruction", regs, inst);
}
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index 8ce90a7da67d..37046f3a26d3 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -599,7 +599,7 @@ static void do_unhandled_exception(int signr, char *str, unsigned long error,
struct pt_regs *regs)
{
if (user_mode(regs))
- force_sig(signr, current);
+ force_sig(signr);
die_if_no_fixup(str, regs, error);
}
diff --git a/arch/sh/math-emu/Makefile b/arch/sh/math-emu/Makefile
index 638b342c781a..ba06e42c4a58 100644
--- a/arch/sh/math-emu/Makefile
+++ b/arch/sh/math-emu/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-y := math.o
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
index a0fa8fc88739..e8be0eca0444 100644
--- a/arch/sh/math-emu/math.c
+++ b/arch/sh/math-emu/math.c
@@ -560,7 +560,7 @@ static int ieee_fpe_handler(struct pt_regs *regs)
task_thread_info(tsk)->status |= TS_USEDFPU;
} else {
force_sig_fault(SIGFPE, FPE_FLTINV,
- (void __user *)regs->pc, tsk);
+ (void __user *)regs->pc);
}
regs->pc = nextpc;
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index fbe5e79751b3..5051b38fd5b6 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -17,7 +17,7 @@ cacheops-$(CONFIG_CPU_SHX3) += cache-shx3.o
obj-y += $(cacheops-y)
mmu-y := nommu.o extable_32.o
-mmu-$(CONFIG_MMU) := extable_$(BITS).o fault.o gup.o ioremap.o kmap.o \
+mmu-$(CONFIG_MMU) := extable_$(BITS).o fault.o ioremap.o kmap.o \
pgtable.o tlbex_$(BITS).o tlbflush_$(BITS).o
obj-y += $(mmu-y)
diff --git a/arch/sh/mm/asids-debugfs.c b/arch/sh/mm/asids-debugfs.c
index e5539e0f8e3b..4c1ca197e9c5 100644
--- a/arch/sh/mm/asids-debugfs.c
+++ b/arch/sh/mm/asids-debugfs.c
@@ -63,13 +63,8 @@ static const struct file_operations asids_debugfs_fops = {
static int __init asids_debugfs_init(void)
{
- struct dentry *asids_dentry;
-
- asids_dentry = debugfs_create_file("asids", S_IRUSR, arch_debugfs_dir,
- NULL, &asids_debugfs_fops);
- if (!asids_dentry)
- return -ENOMEM;
-
- return PTR_ERR_OR_ZERO(asids_dentry);
+ debugfs_create_file("asids", S_IRUSR, arch_debugfs_dir, NULL,
+ &asids_debugfs_fops);
+ return 0;
}
device_initcall(asids_debugfs_init);
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index 4eb9d43578b4..17d780794497 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -109,22 +109,10 @@ static const struct file_operations cache_debugfs_fops = {
static int __init cache_debugfs_init(void)
{
- struct dentry *dcache_dentry, *icache_dentry;
-
- dcache_dentry = debugfs_create_file("dcache", S_IRUSR, arch_debugfs_dir,
- (unsigned int *)CACHE_TYPE_DCACHE,
- &cache_debugfs_fops);
- if (!dcache_dentry)
- return -ENOMEM;
-
- icache_dentry = debugfs_create_file("icache", S_IRUSR, arch_debugfs_dir,
- (unsigned int *)CACHE_TYPE_ICACHE,
- &cache_debugfs_fops);
- if (!icache_dentry) {
- debugfs_remove(dcache_dentry);
- return -ENOMEM;
- }
-
+ debugfs_create_file("dcache", S_IRUSR, arch_debugfs_dir,
+ (void *)CACHE_TYPE_DCACHE, &cache_debugfs_fops);
+ debugfs_create_file("icache", S_IRUSR, arch_debugfs_dir,
+ (void *)CACHE_TYPE_ICACHE, &cache_debugfs_fops);
return 0;
}
module_init(cache_debugfs_init);
diff --git a/arch/sh/mm/cache-j2.c b/arch/sh/mm/cache-j2.c
index 391698bcac5b..f277862a11f5 100644
--- a/arch/sh/mm/cache-j2.c
+++ b/arch/sh/mm/cache-j2.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/cache-j2.c
*
* Copyright (C) 2015-2016 Smart Energy Instruments, Inc.
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/init.h>
diff --git a/arch/sh/mm/cache-sh2.c b/arch/sh/mm/cache-sh2.c
index a74259f2f981..f2b6cdbdf932 100644
--- a/arch/sh/mm/cache-sh2.c
+++ b/arch/sh/mm/cache-sh2.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/cache-sh2.c
*
* Copyright (C) 2002 Paul Mundt
* Copyright (C) 2008 Yoshinori Sato
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/init.h>
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index ee87d081259b..4f7739e707a7 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/cache-sh2a.c
*
* Copyright (C) 2008 Yoshinori Sato
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/init.h>
diff --git a/arch/sh/mm/cache-sh3.c b/arch/sh/mm/cache-sh3.c
index 031634f273fa..8172a171d727 100644
--- a/arch/sh/mm/cache-sh3.c
+++ b/arch/sh/mm/cache-sh3.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/cache-sh3.c
*
* Copyright (C) 1999, 2000 Niibe Yutaka
* Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/init.h>
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 36554a9ea99b..464f160a9576 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/cache.c
*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
* Copyright (C) 2002 - 2010 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/mm.h>
#include <linux/init.h>
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 6defd2c6d9b1..5f51456f4fc7 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -24,25 +24,10 @@
#include <asm/tlbflush.h>
#include <asm/traps.h>
-static inline int notify_page_fault(struct pt_regs *regs, int trap)
-{
- int ret = 0;
-
- if (kprobes_built_in() && !user_mode(regs)) {
- preempt_disable();
- if (kprobe_running() && kprobe_fault_handler(regs, trap))
- ret = 1;
- preempt_enable();
- }
-
- return ret;
-}
-
static void
-force_sig_info_fault(int si_signo, int si_code, unsigned long address,
- struct task_struct *tsk)
+force_sig_info_fault(int si_signo, int si_code, unsigned long address)
{
- force_sig_fault(si_signo, si_code, (void __user *)address, tsk);
+ force_sig_fault(si_signo, si_code, (void __user *)address);
}
/*
@@ -244,8 +229,6 @@ static void
__bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
unsigned long address, int si_code)
{
- struct task_struct *tsk = current;
-
/* User mode accesses just cause a SIGSEGV */
if (user_mode(regs)) {
/*
@@ -253,7 +236,7 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
*/
local_irq_enable();
- force_sig_info_fault(SIGSEGV, si_code, address, tsk);
+ force_sig_info_fault(SIGSEGV, si_code, address);
return;
}
@@ -308,7 +291,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address)
if (!user_mode(regs))
no_context(regs, error_code, address);
- force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk);
+ force_sig_info_fault(SIGBUS, BUS_ADRERR, address);
}
static noinline int
@@ -415,14 +398,14 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
if (unlikely(fault_in_kernel_space(address))) {
if (vmalloc_fault(address) >= 0)
return;
- if (notify_page_fault(regs, vec))
+ if (kprobe_page_fault(regs, vec))
return;
bad_area_nosemaphore(regs, error_code, address);
return;
}
- if (unlikely(notify_page_fault(regs, vec)))
+ if (unlikely(kprobe_page_fault(regs, vec)))
return;
/* Only enable interrupts if they were on before the fault */
diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c
deleted file mode 100644
index 277c882f7489..000000000000
--- a/arch/sh/mm/gup.c
+++ /dev/null
@@ -1,277 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Lockless get_user_pages_fast for SuperH
- *
- * Copyright (C) 2009 - 2010 Paul Mundt
- *
- * Cloned from the x86 and PowerPC versions, by:
- *
- * Copyright (C) 2008 Nick Piggin
- * Copyright (C) 2008 Novell Inc.
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/vmstat.h>
-#include <linux/highmem.h>
-#include <asm/pgtable.h>
-
-static inline pte_t gup_get_pte(pte_t *ptep)
-{
-#ifndef CONFIG_X2TLB
- return READ_ONCE(*ptep);
-#else
- /*
- * With get_user_pages_fast, we walk down the pagetables without
- * taking any locks. For this we would like to load the pointers
- * atomically, but that is not possible with 64-bit PTEs. What
- * we do have is the guarantee that a pte will only either go
- * from not present to present, or present to not present or both
- * -- it will not switch to a completely different present page
- * without a TLB flush in between; something that we are blocking
- * by holding interrupts off.
- *
- * Setting ptes from not present to present goes:
- * ptep->pte_high = h;
- * smp_wmb();
- * ptep->pte_low = l;
- *
- * And present to not present goes:
- * ptep->pte_low = 0;
- * smp_wmb();
- * ptep->pte_high = 0;
- *
- * We must ensure here that the load of pte_low sees l iff pte_high
- * sees h. We load pte_high *after* loading pte_low, which ensures we
- * don't see an older value of pte_high. *Then* we recheck pte_low,
- * which ensures that we haven't picked up a changed pte high. We might
- * have got rubbish values from pte_low and pte_high, but we are
- * guaranteed that pte_low will not have the present bit set *unless*
- * it is 'l'. And get_user_pages_fast only operates on present ptes, so
- * we're safe.
- *
- * gup_get_pte should not be used or copied outside gup.c without being
- * very careful -- it does not atomically load the pte or anything that
- * is likely to be useful for you.
- */
- pte_t pte;
-
-retry:
- pte.pte_low = ptep->pte_low;
- smp_rmb();
- pte.pte_high = ptep->pte_high;
- smp_rmb();
- if (unlikely(pte.pte_low != ptep->pte_low))
- goto retry;
-
- return pte;
-#endif
-}
-
-/*
- * The performance critical leaf functions are made noinline otherwise gcc
- * inlines everything into a single function which results in too much
- * register pressure.
- */
-static noinline int gup_pte_range(pmd_t pmd, unsigned long addr,
- unsigned long end, int write, struct page **pages, int *nr)
-{
- u64 mask, result;
- pte_t *ptep;
-
-#ifdef CONFIG_X2TLB
- result = _PAGE_PRESENT | _PAGE_EXT(_PAGE_EXT_KERN_READ | _PAGE_EXT_USER_READ);
- if (write)
- result |= _PAGE_EXT(_PAGE_EXT_KERN_WRITE | _PAGE_EXT_USER_WRITE);
-#elif defined(CONFIG_SUPERH64)
- result = _PAGE_PRESENT | _PAGE_USER | _PAGE_READ;
- if (write)
- result |= _PAGE_WRITE;
-#else
- result = _PAGE_PRESENT | _PAGE_USER;
- if (write)
- result |= _PAGE_RW;
-#endif
-
- mask = result | _PAGE_SPECIAL;
-
- ptep = pte_offset_map(&pmd, addr);
- do {
- pte_t pte = gup_get_pte(ptep);
- struct page *page;
-
- if ((pte_val(pte) & mask) != result) {
- pte_unmap(ptep);
- return 0;
- }
- VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
- page = pte_page(pte);
- get_page(page);
- __flush_anon_page(page, addr);
- flush_dcache_page(page);
- pages[*nr] = page;
- (*nr)++;
-
- } while (ptep++, addr += PAGE_SIZE, addr != end);
- pte_unmap(ptep - 1);
-
- return 1;
-}
-
-static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- unsigned long next;
- pmd_t *pmdp;
-
- pmdp = pmd_offset(&pud, addr);
- do {
- pmd_t pmd = *pmdp;
-
- next = pmd_addr_end(addr, end);
- if (pmd_none(pmd))
- return 0;
- if (!gup_pte_range(pmd, addr, next, write, pages, nr))
- return 0;
- } while (pmdp++, addr = next, addr != end);
-
- return 1;
-}
-
-static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- unsigned long next;
- pud_t *pudp;
-
- pudp = pud_offset(&pgd, addr);
- do {
- pud_t pud = *pudp;
-
- next = pud_addr_end(addr, end);
- if (pud_none(pud))
- return 0;
- if (!gup_pmd_range(pud, addr, next, write, pages, nr))
- return 0;
- } while (pudp++, addr = next, addr != end);
-
- return 1;
-}
-
-/*
- * Like get_user_pages_fast() except its IRQ-safe in that it won't fall
- * back to the regular GUP.
- * Note a difference with get_user_pages_fast: this always returns the
- * number of pages pinned, 0 if no pages were pinned.
- */
-int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
- struct page **pages)
-{
- struct mm_struct *mm = current->mm;
- unsigned long addr, len, end;
- unsigned long next;
- unsigned long flags;
- pgd_t *pgdp;
- int nr = 0;
-
- start &= PAGE_MASK;
- addr = start;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
- end = start + len;
- if (unlikely(!access_ok((void __user *)start, len)))
- return 0;
-
- /*
- * This doesn't prevent pagetable teardown, but does prevent
- * the pagetables and pages from being freed.
- */
- local_irq_save(flags);
- pgdp = pgd_offset(mm, addr);
- do {
- pgd_t pgd = *pgdp;
-
- next = pgd_addr_end(addr, end);
- if (pgd_none(pgd))
- break;
- if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
- break;
- } while (pgdp++, addr = next, addr != end);
- local_irq_restore(flags);
-
- return nr;
-}
-
-/**
- * get_user_pages_fast() - pin user pages in memory
- * @start: starting user address
- * @nr_pages: number of pages from start to pin
- * @gup_flags: flags modifying pin behaviour
- * @pages: array that receives pointers to the pages pinned.
- * Should be at least nr_pages long.
- *
- * Attempt to pin user pages in memory without taking mm->mmap_sem.
- * If not successful, it will fall back to taking the lock and
- * calling get_user_pages().
- *
- * Returns number of pages pinned. This may be fewer than the number
- * requested. If nr_pages is 0 or negative, returns 0. If no pages
- * were pinned, returns -errno.
- */
-int get_user_pages_fast(unsigned long start, int nr_pages,
- unsigned int gup_flags, struct page **pages)
-{
- struct mm_struct *mm = current->mm;
- unsigned long addr, len, end;
- unsigned long next;
- pgd_t *pgdp;
- int nr = 0;
-
- start &= PAGE_MASK;
- addr = start;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
-
- end = start + len;
- if (end < start)
- goto slow_irqon;
-
- local_irq_disable();
- pgdp = pgd_offset(mm, addr);
- do {
- pgd_t pgd = *pgdp;
-
- next = pgd_addr_end(addr, end);
- if (pgd_none(pgd))
- goto slow;
- if (!gup_pud_range(pgd, addr, next, gup_flags & FOLL_WRITE,
- pages, &nr))
- goto slow;
- } while (pgdp++, addr = next, addr != end);
- local_irq_enable();
-
- VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT);
- return nr;
-
- {
- int ret;
-
-slow:
- local_irq_enable();
-slow_irqon:
- /* Try to get the remaining pages with get_user_pages */
- start += nr << PAGE_SHIFT;
- pages += nr;
-
- ret = get_user_pages_unlocked(start,
- (end - start) >> PAGE_SHIFT, pages,
- gup_flags);
-
- /* Have to be a bit careful with return values */
- if (nr > 0) {
- if (ret < 0)
- ret = nr;
- else
- ret += nr;
- }
-
- return ret;
- }
-}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 5aeb4d7099a1..dfdbaa50946e 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/sh/mm/init.c
*
@@ -428,7 +429,6 @@ int memory_add_physaddr_to_nid(u64 addr)
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
-#ifdef CONFIG_MEMORY_HOTREMOVE
void arch_remove_memory(int nid, u64 start, u64 size,
struct vmem_altmap *altmap)
{
@@ -439,5 +439,4 @@ void arch_remove_memory(int nid, u64 start, u64 size,
zone = page_zone(pfn_to_page(start_pfn));
__remove_pages(zone, start_pfn, nr_pages, altmap);
}
-#endif
#endif /* CONFIG_MEMORY_HOTPLUG */
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index bf25d7c79a2d..9e6b38b03cf7 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/kmap.c
*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
* Copyright (C) 2002 - 2009 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/mm.h>
#include <linux/init.h>
diff --git a/arch/sh/mm/nommu.c b/arch/sh/mm/nommu.c
index 82f8197b93f6..cc779a90d917 100644
--- a/arch/sh/mm/nommu.c
+++ b/arch/sh/mm/nommu.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/nommu.c
*
* Various helper routines and stubs for MMUless SH.
*
* Copyright (C) 2002 - 2009 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index a53a040d0054..b59bad86b31e 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -861,13 +861,8 @@ static const struct file_operations pmb_debugfs_fops = {
static int __init pmb_debugfs_init(void)
{
- struct dentry *dentry;
-
- dentry = debugfs_create_file("pmb", S_IFREG | S_IRUGO,
- arch_debugfs_dir, NULL, &pmb_debugfs_fops);
- if (!dentry)
- return -ENOMEM;
-
+ debugfs_create_file("pmb", S_IFREG | S_IRUGO, arch_debugfs_dir, NULL,
+ &pmb_debugfs_fops);
return 0;
}
subsys_initcall(pmb_debugfs_init);
diff --git a/arch/sh/mm/tlb-debugfs.c b/arch/sh/mm/tlb-debugfs.c
index dea637a09246..11c6148283f3 100644
--- a/arch/sh/mm/tlb-debugfs.c
+++ b/arch/sh/mm/tlb-debugfs.c
@@ -149,22 +149,10 @@ static const struct file_operations tlb_debugfs_fops = {
static int __init tlb_debugfs_init(void)
{
- struct dentry *itlb, *utlb;
-
- itlb = debugfs_create_file("itlb", S_IRUSR, arch_debugfs_dir,
- (unsigned int *)TLB_TYPE_ITLB,
- &tlb_debugfs_fops);
- if (unlikely(!itlb))
- return -ENOMEM;
-
- utlb = debugfs_create_file("utlb", S_IRUSR, arch_debugfs_dir,
- (unsigned int *)TLB_TYPE_UTLB,
- &tlb_debugfs_fops);
- if (unlikely(!utlb)) {
- debugfs_remove(itlb);
- return -ENOMEM;
- }
-
+ debugfs_create_file("itlb", S_IRUSR, arch_debugfs_dir,
+ (void *)TLB_TYPE_ITLB, &tlb_debugfs_fops);
+ debugfs_create_file("utlb", S_IRUSR, arch_debugfs_dir,
+ (void *)TLB_TYPE_UTLB, &tlb_debugfs_fops);
return 0;
}
module_init(tlb_debugfs_init);
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 5c66665bff8b..869243518bb3 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/tlb-sh3.c
*
@@ -5,8 +6,6 @@
*
* Copyright (C) 1999 Niibe Yutaka
* Copyright (C) 2002 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/signal.h>
#include <linux/sched.h>
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index d42dd7e443d5..aa0a9f4680a1 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/sh/mm/tlb-sh4.c
*
@@ -5,8 +6,6 @@
*
* Copyright (C) 1999 Niibe Yutaka
* Copyright (C) 2002 - 2007 Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <linux/kernel.h>
#include <linux/mm.h>
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 8279a7e91043..f1205f92631d 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* SH specific backtracing code for oprofile
*
@@ -7,11 +8,6 @@
*
* Based on ARM oprofile backtrace code by Richard Purdie and in turn, i386
* oprofile backtrace code by John Levon, David Smith
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/oprofile.h>
#include <linux/sched.h>