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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 06:47:18 +0100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-12-29 06:47:18 +0100
commit0a8c5395f90f06d128247844b2515c8bf3f2826b (patch)
treed95382dcdfa303b99d480c01763d6cb6767fdaca /arch/x86/include/asm/linkage.h
parent[XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI (diff)
parentMerge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/p... (diff)
downloadlinux-0a8c5395f90f06d128247844b2515c8bf3f2826b.tar.xz
linux-0a8c5395f90f06d128247844b2515c8bf3f2826b.zip
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: fs/xfs/linux-2.6/xfs_cred.h fs/xfs/linux-2.6/xfs_globals.h fs/xfs/linux-2.6/xfs_ioctl.c fs/xfs/xfs_vnodeops.h Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'arch/x86/include/asm/linkage.h')
-rw-r--r--arch/x86/include/asm/linkage.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index f61ee8f937e4..5d98d0b68ffc 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -57,5 +57,65 @@
#define __ALIGN_STR ".align 16,0x90"
#endif
+/*
+ * to check ENTRY_X86/END_X86 and
+ * KPROBE_ENTRY_X86/KPROBE_END_X86
+ * unbalanced-missed-mixed appearance
+ */
+#define __set_entry_x86 .set ENTRY_X86_IN, 0
+#define __unset_entry_x86 .set ENTRY_X86_IN, 1
+#define __set_kprobe_x86 .set KPROBE_X86_IN, 0
+#define __unset_kprobe_x86 .set KPROBE_X86_IN, 1
+
+#define __macro_err_x86 .error "ENTRY_X86/KPROBE_X86 unbalanced,missed,mixed"
+
+#define __check_entry_x86 \
+ .ifdef ENTRY_X86_IN; \
+ .ifeq ENTRY_X86_IN; \
+ __macro_err_x86; \
+ .abort; \
+ .endif; \
+ .endif
+
+#define __check_kprobe_x86 \
+ .ifdef KPROBE_X86_IN; \
+ .ifeq KPROBE_X86_IN; \
+ __macro_err_x86; \
+ .abort; \
+ .endif; \
+ .endif
+
+#define __check_entry_kprobe_x86 \
+ __check_entry_x86; \
+ __check_kprobe_x86
+
+#define ENTRY_KPROBE_FINAL_X86 __check_entry_kprobe_x86
+
+#define ENTRY_X86(name) \
+ __check_entry_kprobe_x86; \
+ __set_entry_x86; \
+ .globl name; \
+ __ALIGN; \
+ name:
+
+#define END_X86(name) \
+ __unset_entry_x86; \
+ __check_entry_kprobe_x86; \
+ .size name, .-name
+
+#define KPROBE_ENTRY_X86(name) \
+ __check_entry_kprobe_x86; \
+ __set_kprobe_x86; \
+ .pushsection .kprobes.text, "ax"; \
+ .globl name; \
+ __ALIGN; \
+ name:
+
+#define KPROBE_END_X86(name) \
+ __unset_kprobe_x86; \
+ __check_entry_kprobe_x86; \
+ .size name, .-name; \
+ .popsection
+
#endif /* _ASM_X86_LINKAGE_H */