Subject: [failures] syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls.patch removed from -mm tree
To: ak@xxxxxxxxxxxxxxx,geert@xxxxxxxxxxxxxx,viro@xxxxxxxxxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 10 Sep 2013 17:22:52 -0700
The patch titled
Subject: syscalls.h: use gcc alias instead of assembler aliases for syscalls
has been removed from the -mm tree. Its filename was
syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls.patch
This patch was dropped because it had testing failures
------------------------------------------------------
From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Subject: syscalls.h: use gcc alias instead of assembler aliases for syscalls
Use standard gcc __attribute__((alias(foo))) to define the syscall aliases
instead of custom assembler macros.
This is far cleaner, and also fixes my LTO kernel build.
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/compat.h | 4 ++--
include/linux/syscalls.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff -puN include/linux/compat.h~syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls include/linux/compat.h
--- a/include/linux/compat.h~syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls
+++ a/include/linux/compat.h
@@ -41,13 +41,13 @@
COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
- asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
+ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\
+ __attribute__((alias(__stringify(compat_SyS##name)))); \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
} \
- SYSCALL_ALIAS(compat_sys##name, compat_SyS##name); \
static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#ifndef compat_user_stack_pointer
diff -puN include/linux/syscalls.h~syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls include/linux/syscalls.h
--- a/include/linux/syscalls.h~syscallsh-use-gcc-alias-instead-of-assembler-aliases-for-syscalls
+++ a/include/linux/syscalls.h
@@ -184,7 +184,8 @@ extern struct trace_event_functions exit
#define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
#define __SYSCALL_DEFINEx(x, name, ...) \
- asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
+ asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
+ __attribute__((alias(__stringify(SyS##name)))); \
static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
@@ -193,7 +194,6 @@ extern struct trace_event_functions exit
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
- SYSCALL_ALIAS(sys##name, SyS##name); \
static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
asmlinkage long sys_time(time_t __user *tloc);
_
Patches currently in -mm which might be from ak@xxxxxxxxxxxxxxx are
origin.patch
mm-migrate-make-core-migration-code-aware-of-hugepage.patch
mm-soft-offline-use-migrate_pages-instead-of-migrate_huge_page.patch
migrate-add-hugepage-migration-code-to-migrate_pages.patch
mm-migrate-add-hugepage-migration-code-to-move_pages.patch
mm-mbind-add-hugepage-migration-code-to-mbind.patch
mm-migrate-remove-vm_hugetlb-from-vma-flag-check-in-vma_migratable.patch
mm-memory-hotplug-enable-memory-hotplug-to-handle-hugepage.patch
mm-migrate-check-movability-of-hugepage-in-unmap_and_move_huge_page.patch
mm-prepare-to-remove-proc-sys-vm-hugepages_treat_as_movable.patch
mm-prepare-to-remove-proc-sys-vm-hugepages_treat_as_movable-v2.patch
mm-mempolicy-rename-check_range-to-queue_pages_range.patch
kernel-modsign_pubkeyc-fix-init-const-for-module-signing-code.patch
lto-watchdog-hpwdtc-make-assembler-label-global.patch
scripts-mod-modpostc-handle-non-abs-crc-symbols.patch
x86-add-1-2-4-8-byte-optimization-to-64bit-__copy_fromto_user_inatomic.patch
thp-account-anon-transparent-huge-pages-into-nr_anon_pages.patch
mm-cleanup-add_to_page_cache_locked.patch
thp-move-maybe_pmd_mkwrite-out-of-mk_huge_pmd.patch
thp-do_huge_pmd_anonymous_page-cleanup.patch
thp-consolidate-code-between-handle_mm_fault-and-do_huge_pmd_anonymous_page.patch
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