The patch titled
Subject: x86: switch to using asm-generic for seccomp.h
has been added to the -mm tree. Its filename is
x86-switch-to-using-asm-generic-for-seccomph.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/x86-switch-to-using-asm-generic-for-seccomph.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/x86-switch-to-using-asm-generic-for-seccomph.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Kees Cook <keescook@xxxxxxxxxxxx>
Subject: x86: switch to using asm-generic for seccomp.h
Switch to using the newly created asm-generic/seccomp.h for the seccomp
strict mode syscall definitions. The obsolete sigreturn syscall override
is retained in 32-bit mode, and the ia32 syscall overrides are used in
the compat case. Remaining definitions were identical.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/seccomp.h | 21 ++++++++++++++++++---
arch/x86/include/asm/seccomp_32.h | 11 -----------
arch/x86/include/asm/seccomp_64.h | 17 -----------------
3 files changed, 18 insertions(+), 31 deletions(-)
diff -puN arch/x86/include/asm/seccomp.h~x86-switch-to-using-asm-generic-for-seccomph arch/x86/include/asm/seccomp.h
--- a/arch/x86/include/asm/seccomp.h~x86-switch-to-using-asm-generic-for-seccomph
+++ a/arch/x86/include/asm/seccomp.h
@@ -1,5 +1,20 @@
+#ifndef _ASM_X86_SECCOMP_H
+#define _ASM_X86_SECCOMP_H
+
+#include <asm/unistd.h>
+
#ifdef CONFIG_X86_32
-# include <asm/seccomp_32.h>
-#else
-# include <asm/seccomp_64.h>
+#define __NR_seccomp_sigreturn __NR_sigreturn
#endif
+
+#ifdef CONFIG_COMPAT
+#include <asm/ia32_unistd.h>
+#define __NR_seccomp_read_32 __NR_ia32_read
+#define __NR_seccomp_write_32 __NR_ia32_write
+#define __NR_seccomp_exit_32 __NR_ia32_exit
+#define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
+#endif
+
+#include <asm-generic/seccomp.h>
+
+#endif /* _ASM_X86_SECCOMP_H */
diff -puN arch/x86/include/asm/seccomp_32.h~x86-switch-to-using-asm-generic-for-seccomph /dev/null
--- a/arch/x86/include/asm/seccomp_32.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _ASM_X86_SECCOMP_32_H
-#define _ASM_X86_SECCOMP_32_H
-
-#include <linux/unistd.h>
-
-#define __NR_seccomp_read __NR_read
-#define __NR_seccomp_write __NR_write
-#define __NR_seccomp_exit __NR_exit
-#define __NR_seccomp_sigreturn __NR_sigreturn
-
-#endif /* _ASM_X86_SECCOMP_32_H */
diff -puN arch/x86/include/asm/seccomp_64.h~x86-switch-to-using-asm-generic-for-seccomph /dev/null
--- a/arch/x86/include/asm/seccomp_64.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef _ASM_X86_SECCOMP_64_H
-#define _ASM_X86_SECCOMP_64_H
-
-#include <linux/unistd.h>
-#include <asm/ia32_unistd.h>
-
-#define __NR_seccomp_read __NR_read
-#define __NR_seccomp_write __NR_write
-#define __NR_seccomp_exit __NR_exit
-#define __NR_seccomp_sigreturn __NR_rt_sigreturn
-
-#define __NR_seccomp_read_32 __NR_ia32_read
-#define __NR_seccomp_write_32 __NR_ia32_write
-#define __NR_seccomp_exit_32 __NR_ia32_exit
-#define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
-
-#endif /* _ASM_X86_SECCOMP_64_H */
_
Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are
origin.patch
arm-factor-out-mmap-aslr-into-mmap_rnd.patch
x86-standardize-mmap_rnd-usage.patch
arm64-standardize-mmap_rnd-usage.patch
arm64-standardize-mmap_rnd-usage-v4.patch
mips-extract-logic-for-mmap_rnd.patch
mips-extract-logic-for-mmap_rnd-v4.patch
powerpc-standardize-mmap_rnd-usage.patch
powerpc-standardize-mmap_rnd-usage-v4.patch
s390-standardize-mmap_rnd-usage.patch
mm-expose-arch_mmap_rnd-when-available.patch
s390-redefine-randomize_et_dyn-for-elf_et_dyn_base.patch
mm-split-et_dyn-aslr-from-mmap-aslr.patch
mm-fold-arch_randomize_brk-into-arch_has_elf_randomize.patch
lib-vsprintf-add-%pt-format-specifier.patch
seccomp-allow-compat-sigreturn-overrides.patch
arm-use-asm-generic-for-seccomph.patch
microblaze-use-asm-generic-for-seccomph.patch
mips-switch-to-using-asm-generic-for-seccomph.patch
parisc-switch-to-using-asm-generic-for-seccomph.patch
powerpc-switch-to-using-asm-generic-for-seccomph.patch
sparc-switch-to-using-asm-generic-for-seccomph.patch
x86-switch-to-using-asm-generic-for-seccomph.patch
linux-next.patch
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