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| author | Helge Deller <deller@gmx.de> | 2018-11-10 16:14:59 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2018-12-10 07:47:50 +0100 |
| commit | 8cc28269b9574103aae9088a02a20929ec75f983 (patch) | |
| tree | 17847e628ee8aaf6d6b5dbcd5d1a652211d09adf /arch/parisc/include/asm | |
| parent | Linux 4.20-rc6 (diff) | |
| download | linux-8cc28269b9574103aae9088a02a20929ec75f983.tar.xz linux-8cc28269b9574103aae9088a02a20929ec75f983.zip | |
parisc: Split out alternative live patching code
Move the alternative implemenation coding to alternative.c and add code to
patch modules while loading.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include/asm')
| -rw-r--r-- | arch/parisc/include/asm/alternative.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/alternative.h b/arch/parisc/include/asm/alternative.h index bf485a94d0b4..793d8baa3a10 100644 --- a/arch/parisc/include/asm/alternative.h +++ b/arch/parisc/include/asm/alternative.h @@ -2,6 +2,7 @@ #ifndef __ASM_PARISC_ALTERNATIVE_H #define __ASM_PARISC_ALTERNATIVE_H +#define ALT_COND_ALWAYS 0x80 /* always replace instruction */ #define ALT_COND_NO_SMP 0x01 /* when running UP instead of SMP */ #define ALT_COND_NO_DCACHE 0x02 /* if system has no d-cache */ #define ALT_COND_NO_ICACHE 0x04 /* if system has no i-cache */ @@ -26,6 +27,9 @@ struct alt_instr { }; void set_kernel_text_rw(int enable_read_write); +void apply_alternatives_all(void); +void apply_alternatives(struct alt_instr *start, struct alt_instr *end, + const char *module_name); /* Alternative SMP implementation. */ #define ALTERNATIVE(cond, replacement) "!0:" \ |