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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-06-30 21:27:32 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-06-30 21:27:32 +0300 |
| commit | 857286e4c5ae5d2e860fd15d4628e707b434d7e5 (patch) | |
| tree | 520ea5916f50fb2a4289d8d70438d559c6808b01 /include/linux/compiler.h | |
| parent | 51f382428c17f172f430f9be8de4246b8f15f97c (diff) | |
| parent | 007b350a58754a93ca9fe50c498cc27780171153 (diff) | |
| download | linux-857286e4c5ae5d2e860fd15d4628e707b434d7e5.tar.xz | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'include/linux/compiler.h')
| -rw-r--r-- | include/linux/compiler.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index df5b405e6305..77047904cf70 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -115,18 +115,24 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, * The __COUNTER__ based labels are a hack to make each instance of the macros * unique, to convince GCC not to merge duplicate inline asm statements. */ -#define annotate_reachable() ({ \ - asm volatile("%c0:\n\t" \ +#define __stringify_label(n) #n + +#define __annotate_reachable(c) ({ \ + asm volatile(__stringify_label(c) ":\n\t" \ ".pushsection .discard.reachable\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify_label(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) -#define annotate_unreachable() ({ \ - asm volatile("%c0:\n\t" \ +#define annotate_reachable() __annotate_reachable(__COUNTER__) + +#define __annotate_unreachable(c) ({ \ + asm volatile(__stringify_label(c) ":\n\t" \ ".pushsection .discard.unreachable\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify_label(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) +#define annotate_unreachable() __annotate_unreachable(__COUNTER__) + #define ASM_UNREACHABLE \ "999:\n\t" \ ".pushsection .discard.unreachable\n\t" \ |