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authorChristoph Hellwig <hch@lst.de>2019-06-13 09:08:50 +0200
committerGreg Ungerer <gerg@kernel.org>2019-06-24 09:16:46 +1000
commit1d52dca117434eca9c6efc9c22d24e7a341ad903 (patch)
tree249aea82255fa6e87ef98602cc79255ce6dfe853
parent02da283302f7e723a6cef3ea296fbb2313dde992 (diff)
downloadlinux-1d52dca117434eca9c6efc9c22d24e7a341ad903.tar.bz2
binfmt_flat: remove flat_old_ram_flag
Instead add a Kconfig variable that only h8300 selects. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
-rw-r--r--arch/arm/include/asm/flat.h1
-rw-r--r--arch/c6x/include/asm/flat.h1
-rw-r--r--arch/h8300/Kconfig1
-rw-r--r--arch/h8300/include/asm/flat.h1
-rw-r--r--arch/m68k/include/asm/flat.h1
-rw-r--r--arch/microblaze/include/asm/flat.h1
-rw-r--r--arch/sh/include/asm/flat.h1
-rw-r--r--arch/xtensa/include/asm/flat.h1
-rw-r--r--fs/Kconfig.binfmt3
-rw-r--r--fs/binfmt_flat.c3
10 files changed, 6 insertions, 8 deletions
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
index a185fe023b60..acf162111ee2 100644
--- a/arch/arm/include/asm/flat.h
+++ b/arch/arm/include/asm/flat.h
@@ -9,7 +9,6 @@
#include <linux/uaccess.h>
#define flat_argvp_envp_on_stack() 1
-#define flat_old_ram_flag(flags) (flags)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
diff --git a/arch/c6x/include/asm/flat.h b/arch/c6x/include/asm/flat.h
index c4d703b454c6..353e4d06e8c0 100644
--- a/arch/c6x/include/asm/flat.h
+++ b/arch/c6x/include/asm/flat.h
@@ -5,7 +5,6 @@
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index ecfc4b4b6373..d30e8727b02d 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -2,6 +2,7 @@
config H8300
def_bool y
select ARCH_32BIT_OFF_T
+ select BINFMT_FLAT_OLD_ALWAYS_RAM
select GENERIC_ATOMIC64
select HAVE_UID16
select VIRT_TO_BUS
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index 7ef7eefded3d..14cc928d5478 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/arch/h8300/include/asm/flat.h
@@ -9,7 +9,6 @@
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 1
-#define flat_old_ram_flag(flags) 1
/*
* on the H8 a couple of the relocations have an instruction in the
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index 217fa89c8e34..7b1fb5c2809e 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -9,7 +9,6 @@
#include <linux/uaccess.h>
#define flat_argvp_envp_on_stack() 1
-#define flat_old_ram_flag(flags) (flags)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/microblaze/include/asm/flat.h b/arch/microblaze/include/asm/flat.h
index 846084fa7f04..1cd8d7f4cf12 100644
--- a/arch/microblaze/include/asm/flat.h
+++ b/arch/microblaze/include/asm/flat.h
@@ -14,7 +14,6 @@
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
/*
* Microblaze works a little differently from other arches, because
diff --git a/arch/sh/include/asm/flat.h b/arch/sh/include/asm/flat.h
index 0d520b4cc5ea..015678d7b771 100644
--- a/arch/sh/include/asm/flat.h
+++ b/arch/sh/include/asm/flat.h
@@ -12,7 +12,6 @@
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/arch/xtensa/include/asm/flat.h b/arch/xtensa/include/asm/flat.h
index a1d88aa3ef8a..b215c1e66958 100644
--- a/arch/xtensa/include/asm/flat.h
+++ b/arch/xtensa/include/asm/flat.h
@@ -5,7 +5,6 @@
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index f87ddd1b6d72..5658e12ad944 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -97,6 +97,9 @@ config BINFMT_FLAT
help
Support uClinux FLAT format binaries.
+config BINFMT_FLAT_OLD_ALWAYS_RAM
+ bool
+
config BINFMT_ZFLAT
bool "Enable ZFLAT support"
depends on BINFMT_FLAT
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index c0e4535dc1ec..3e7f4a6cffa2 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -488,7 +488,8 @@ static int load_flat_file(struct linux_binprm *bprm,
* fix up the flags for the older format, there were all kinds
* of endian hacks, this only works for the simple cases
*/
- if (rev == OLD_FLAT_VERSION && flat_old_ram_flag(flags))
+ if (rev == OLD_FLAT_VERSION &&
+ (flags || IS_ENABLED(CONFIG_BINFMT_FLAT_OLD_ALWAYS_RAM)))
flags = FLAT_FLAG_RAM;
#ifndef CONFIG_BINFMT_ZFLAT