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authorIngo Molnar <mingo@kernel.org>2022-02-21 11:53:51 +0100
committerIngo Molnar <mingo@kernel.org>2022-02-21 11:53:51 +0100
commit6255b48aebfd4dff375e97fc8b075a235848db0b (patch)
treebcedf2b959a843a18cf7ebcc9120a0dd1c4e234f /include/linux/compiler.h
parent1b2d3451ee50a0968cb9933f726e50b368ba5073 (diff)
parentcfb92440ee71adcc2105b0890bb01ac3cddb8507 (diff)
Merge tag 'v5.17-rc5' into sched/core, to resolve conflicts
New conflicts in sched/core due to the following upstream fixes: 44585f7bc0cb ("psi: fix "defined but not used" warnings when CONFIG_PROC_FS=n") a06247c6804f ("psi: Fix uaf issue when psi trigger is destroyed while being polled") Conflicts: include/linux/psi_types.h kernel/sched/psi.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/compiler.h')
-rw-r--r--include/linux/compiler.h21
1 files changed, 5 insertions, 16 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 429dcebe2b99..0f7fd205ab7e 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -117,14 +117,6 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
*/
#define __stringify_label(n) #n
-#define __annotate_reachable(c) ({ \
- asm volatile(__stringify_label(c) ":\n\t" \
- ".pushsection .discard.reachable\n\t" \
- ".long " __stringify_label(c) "b - .\n\t" \
- ".popsection\n\t" : : "i" (c)); \
-})
-#define annotate_reachable() __annotate_reachable(__COUNTER__)
-
#define __annotate_unreachable(c) ({ \
asm volatile(__stringify_label(c) ":\n\t" \
".pushsection .discard.unreachable\n\t" \
@@ -133,24 +125,21 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
})
#define annotate_unreachable() __annotate_unreachable(__COUNTER__)
-#define ASM_UNREACHABLE \
- "999:\n\t" \
- ".pushsection .discard.unreachable\n\t" \
- ".long 999b - .\n\t" \
+#define ASM_REACHABLE \
+ "998:\n\t" \
+ ".pushsection .discard.reachable\n\t" \
+ ".long 998b - .\n\t" \
".popsection\n\t"
/* Annotate a C jump table to allow objtool to follow the code flow */
#define __annotate_jump_table __section(".rodata..c_jump_table")
#else
-#define annotate_reachable()
#define annotate_unreachable()
+# define ASM_REACHABLE
#define __annotate_jump_table
#endif
-#ifndef ASM_UNREACHABLE
-# define ASM_UNREACHABLE
-#endif
#ifndef unreachable
# define unreachable() do { \
annotate_unreachable(); \