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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 22:08:15 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-09 22:08:15 +0300 |
| commit | 593c75463ab6d6985cdc9916f3d1c28b5f6340cd (patch) | |
| tree | fead1a52de9609ccd841bc4caa3a2ea44ddff932 /include | |
| parent | 565eb5f8c5d379b6a6a3134c76b2fcfecdd007d3 (diff) | |
| parent | b3d5f311d3cfdea0b0e2373409e50423b130f847 (diff) | |
Merge branch 'parisc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Dynamic ftrace support by Sven Schnelle and a header guard fix by
Denis Efremov"
* 'parisc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: asm: psw.h: missing header guard
parisc: add dynamic ftrace
compiler.h: add CC_USING_PATCHABLE_FUNCTION_ENTRY
parisc: use pr_debug() in kernel/module.c
parisc: add WARN_ON() to clear_fixmap
parisc: add spinlock to patch function
parisc: add support for patching multiple words
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 7 | ||||
| -rw-r--r-- | include/linux/compiler_types.h | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 088987e9a3ea..ca42182992a5 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -110,10 +110,17 @@ #endif #ifdef CONFIG_FTRACE_MCOUNT_RECORD +#ifdef CC_USING_PATCHABLE_FUNCTION_ENTRY +#define MCOUNT_REC() . = ALIGN(8); \ + __start_mcount_loc = .; \ + KEEP(*(__patchable_function_entries)) \ + __stop_mcount_loc = .; +#else #define MCOUNT_REC() . = ALIGN(8); \ __start_mcount_loc = .; \ KEEP(*(__mcount_loc)) \ __stop_mcount_loc = .; +#endif #else #define MCOUNT_REC() #endif diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 19e58b9138a0..095d55c3834d 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -112,6 +112,8 @@ struct ftrace_likely_data { #if defined(CC_USING_HOTPATCH) #define notrace __attribute__((hotpatch(0, 0))) +#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY) +#define notrace __attribute__((patchable_function_entry(0, 0))) #else #define notrace __attribute__((__no_instrument_function__)) #endif |