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-rw-r--r--arch/arm64/include/asm/asm-uaccess.h17
-rw-r--r--arch/arm64/include/asm/uaccess.h27
-rw-r--r--arch/arm64/lib/clear_user.S2
-rw-r--r--arch/arm64/lib/copy_from_user.S2
-rw-r--r--arch/arm64/lib/copy_in_user.S2
-rw-r--r--arch/arm64/lib/copy_to_user.S2
-rw-r--r--arch/arm64/lib/uaccess_flushcache.c6
-rw-r--r--drivers/block/nbd.c1
-rw-r--r--drivers/gpio/gpio-bd70528.c6
-rw-r--r--drivers/gpio/gpio-max77620.c6
-rw-r--r--drivers/gpio/gpiolib-acpi.c17
-rw-r--r--drivers/net/phy/mdio_bus.c2
-rw-r--r--fs/afs/rxrpc.c1
-rw-r--r--kernel/fork.c6
-rw-r--r--tools/gpio/Build1
-rw-r--r--tools/gpio/Makefile10
16 files changed, 64 insertions, 44 deletions
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index 5bf963830b17..c764cc8fb3b6 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -59,23 +59,6 @@ alternative_else_nop_endif
#endif
/*
- * These macros are no-ops when UAO is present.
- */
- .macro uaccess_disable_not_uao, tmp1, tmp2
- uaccess_ttbr0_disable \tmp1, \tmp2
-alternative_if ARM64_ALT_PAN_NOT_UAO
- SET_PSTATE_PAN(1)
-alternative_else_nop_endif
- .endm
-
- .macro uaccess_enable_not_uao, tmp1, tmp2, tmp3
- uaccess_ttbr0_enable \tmp1, \tmp2, \tmp3
-alternative_if ARM64_ALT_PAN_NOT_UAO
- SET_PSTATE_PAN(0)
-alternative_else_nop_endif
- .endm
-
-/*
* Remove the address tag from a virtual address, if present.
*/
.macro untagged_addr, dst, addr
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 097d6bfac0b7..127712b0b970 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -378,20 +378,34 @@ do { \
extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
#define raw_copy_from_user(to, from, n) \
({ \
- __arch_copy_from_user((to), __uaccess_mask_ptr(from), (n)); \
+ unsigned long __acfu_ret; \
+ uaccess_enable_not_uao(); \
+ __acfu_ret = __arch_copy_from_user((to), \
+ __uaccess_mask_ptr(from), (n)); \
+ uaccess_disable_not_uao(); \
+ __acfu_ret; \
})
extern unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n);
#define raw_copy_to_user(to, from, n) \
({ \
- __arch_copy_to_user(__uaccess_mask_ptr(to), (from), (n)); \
+ unsigned long __actu_ret; \
+ uaccess_enable_not_uao(); \
+ __actu_ret = __arch_copy_to_user(__uaccess_mask_ptr(to), \
+ (from), (n)); \
+ uaccess_disable_not_uao(); \
+ __actu_ret; \
})
extern unsigned long __must_check __arch_copy_in_user(void __user *to, const void __user *from, unsigned long n);
#define raw_copy_in_user(to, from, n) \
({ \
- __arch_copy_in_user(__uaccess_mask_ptr(to), \
- __uaccess_mask_ptr(from), (n)); \
+ unsigned long __aciu_ret; \
+ uaccess_enable_not_uao(); \
+ __aciu_ret = __arch_copy_in_user(__uaccess_mask_ptr(to), \
+ __uaccess_mask_ptr(from), (n)); \
+ uaccess_disable_not_uao(); \
+ __aciu_ret; \
})
#define INLINE_COPY_TO_USER
@@ -400,8 +414,11 @@ extern unsigned long __must_check __arch_copy_in_user(void __user *to, const voi
extern unsigned long __must_check __arch_clear_user(void __user *to, unsigned long n);
static inline unsigned long __must_check __clear_user(void __user *to, unsigned long n)
{
- if (access_ok(to, n))
+ if (access_ok(to, n)) {
+ uaccess_enable_not_uao();
n = __arch_clear_user(__uaccess_mask_ptr(to), n);
+ uaccess_disable_not_uao();
+ }
return n;
}
#define clear_user __clear_user
diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S
index 10415572e82f..aeafc03e961a 100644
--- a/arch/arm64/lib/clear_user.S
+++ b/arch/arm64/lib/clear_user.S
@@ -20,7 +20,6 @@
* Alignment fixed up by hardware.
*/
ENTRY(__arch_clear_user)
- uaccess_enable_not_uao x2, x3, x4
mov x2, x1 // save the size for fixup return
subs x1, x1, #8
b.mi 2f
@@ -40,7 +39,6 @@ uao_user_alternative 9f, strh, sttrh, wzr, x0, 2
b.mi 5f
uao_user_alternative 9f, strb, sttrb, wzr, x0, 0
5: mov x0, #0
- uaccess_disable_not_uao x2, x3
ret
ENDPROC(__arch_clear_user)
EXPORT_SYMBOL(__arch_clear_user)
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 680e74409ff9..ebb3c06cbb5d 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -54,10 +54,8 @@
end .req x5
ENTRY(__arch_copy_from_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0 // Nothing to copy
ret
ENDPROC(__arch_copy_from_user)
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
index 0bedae3f3792..3d8153a1ebce 100644
--- a/arch/arm64/lib/copy_in_user.S
+++ b/arch/arm64/lib/copy_in_user.S
@@ -56,10 +56,8 @@
end .req x5
ENTRY(__arch_copy_in_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0
ret
ENDPROC(__arch_copy_in_user)
diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S
index 2d88c736e8f2..357eae2c18eb 100644
--- a/arch/arm64/lib/copy_to_user.S
+++ b/arch/arm64/lib/copy_to_user.S
@@ -53,10 +53,8 @@
end .req x5
ENTRY(__arch_copy_to_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0
ret
ENDPROC(__arch_copy_to_user)
diff --git a/arch/arm64/lib/uaccess_flushcache.c b/arch/arm64/lib/uaccess_flushcache.c
index cbfcbe6470a5..bfa30b75b2b8 100644
--- a/arch/arm64/lib/uaccess_flushcache.c
+++ b/arch/arm64/lib/uaccess_flushcache.c
@@ -28,7 +28,11 @@ void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
unsigned long __copy_user_flushcache(void *to, const void __user *from,
unsigned long n)
{
- unsigned long rc = __arch_copy_from_user(to, from, n);
+ unsigned long rc;
+
+ uaccess_enable_not_uao();
+ rc = __arch_copy_from_user(to, from, n);
+ uaccess_disable_not_uao();
/* See above */
__clean_dcache_area_pop(to, n - rc);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a94ee45440b3..19e75999bb15 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -993,6 +993,7 @@ static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
if (sock->ops->shutdown == sock_no_shutdown) {
dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");
*err = -EINVAL;
+ sockfd_put(sock);
return NULL;
}
diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c
index 0c1ead12d883..4ba4d4a67881 100644
--- a/drivers/gpio/gpio-bd70528.c
+++ b/drivers/gpio/gpio-bd70528.c
@@ -25,13 +25,13 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio,
case 0:
val = BD70528_DEBOUNCE_DISABLE;
break;
- case 1 ... 15:
+ case 1 ... 15000:
val = BD70528_DEBOUNCE_15MS;
break;
- case 16 ... 30:
+ case 15001 ... 30000:
val = BD70528_DEBOUNCE_30MS;
break;
- case 31 ... 50:
+ case 30001 ... 50000:
val = BD70528_DEBOUNCE_50MS;
break;
default:
diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index faf86ea9c51a..642c6321c22a 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -192,13 +192,13 @@ static int max77620_gpio_set_debounce(struct max77620_gpio *mgpio,
case 0:
val = MAX77620_CNFG_GPIO_DBNC_None;
break;
- case 1000 ... 8000:
+ case 1 ... 8000:
val = MAX77620_CNFG_GPIO_DBNC_8ms;
break;
- case 9000 ... 16000:
+ case 8001 ... 16000:
val = MAX77620_CNFG_GPIO_DBNC_16ms;
break;
- case 17000 ... 32000:
+ case 16001 ... 32000:
val = MAX77620_CNFG_GPIO_DBNC_32ms;
break;
default:
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 609ed16ae933..59ccfd24627d 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1304,11 +1304,28 @@ late_initcall_sync(acpi_gpio_handle_deferred_request_irqs);
static const struct dmi_system_id run_edge_events_on_boot_blacklist[] = {
{
+ /*
+ * The Minix Neo Z83-4 has a micro-USB-B id-pin handler for
+ * a non existing micro-USB-B connector which puts the HDMI
+ * DDC pins in GPIO mode, breaking HDMI support.
+ */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MINIX"),
DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
}
},
+ {
+ /*
+ * The Terra Pad 1061 has a micro-USB-B id-pin handler, which
+ * instead of controlling the actual micro-USB-B turns the 5V
+ * boost for its USB-A connector off. The actual micro-USB-B
+ * connector is wired for charging only.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"),
+ }
+ },
{} /* Terminating entry */
};
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 35876562e32a..dbacb0031877 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -65,7 +65,7 @@ static int mdiobus_register_reset(struct mdio_device *mdiodev)
reset = devm_reset_control_get_exclusive(&mdiodev->dev,
"phy");
if (IS_ERR(reset)) {
- if (PTR_ERR(reset) == -ENOENT || PTR_ERR(reset) == -ENOSYS)
+ if (PTR_ERR(reset) == -ENOENT || PTR_ERR(reset) == -ENOTSUPP)
reset = NULL;
else
return PTR_ERR(reset);
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 0e5269374ac1..61498d9f06ef 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -637,6 +637,7 @@ long afs_wait_for_call_to_complete(struct afs_call *call,
call->need_attention = false;
__set_current_state(TASK_RUNNING);
afs_deliver_to_call(call);
+ timeout = rtt2;
continue;
}
diff --git a/kernel/fork.c b/kernel/fork.c
index 55af6931c6ec..13b38794efb5 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1708,11 +1708,11 @@ static void pidfd_show_fdinfo(struct seq_file *m, struct file *f)
/*
* Poll support for process exit notification.
*/
-static unsigned int pidfd_poll(struct file *file, struct poll_table_struct *pts)
+static __poll_t pidfd_poll(struct file *file, struct poll_table_struct *pts)
{
struct task_struct *task;
struct pid *pid = file->private_data;
- int poll_flags = 0;
+ __poll_t poll_flags = 0;
poll_wait(file, &pid->wait_pidfd, pts);
@@ -1724,7 +1724,7 @@ static unsigned int pidfd_poll(struct file *file, struct poll_table_struct *pts)
* group, then poll(2) should block, similar to the wait(2) family.
*/
if (!task || (task->exit_state && thread_group_empty(task)))
- poll_flags = POLLIN | POLLRDNORM;
+ poll_flags = EPOLLIN | EPOLLRDNORM;
rcu_read_unlock();
return poll_flags;
diff --git a/tools/gpio/Build b/tools/gpio/Build
index 620c1937d957..4141f35837db 100644
--- a/tools/gpio/Build
+++ b/tools/gpio/Build
@@ -1,3 +1,4 @@
+gpio-utils-y += gpio-utils.o
lsgpio-y += lsgpio.o gpio-utils.o
gpio-hammer-y += gpio-hammer.o gpio-utils.o
gpio-event-mon-y += gpio-event-mon.o gpio-utils.o
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 1178d302757e..6080de58861f 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -35,11 +35,15 @@ $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
prepare: $(OUTPUT)include/linux/gpio.h
+GPIO_UTILS_IN := $(output)gpio-utils-in.o
+$(GPIO_UTILS_IN): prepare FORCE
+ $(Q)$(MAKE) $(build)=gpio-utils
+
#
# lsgpio
#
LSGPIO_IN := $(OUTPUT)lsgpio-in.o
-$(LSGPIO_IN): prepare FORCE
+$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=lsgpio
$(OUTPUT)lsgpio: $(LSGPIO_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -48,7 +52,7 @@ $(OUTPUT)lsgpio: $(LSGPIO_IN)
# gpio-hammer
#
GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
-$(GPIO_HAMMER_IN): prepare FORCE
+$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-hammer
$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -57,7 +61,7 @@ $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
# gpio-event-mon
#
GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
-$(GPIO_EVENT_MON_IN): prepare FORCE
+$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-event-mon
$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@