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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-19 08:55:04 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-26 12:58:58 +0200 |
| commit | 082e2869fc022de4db9977e06558da78384ea98c (patch) | |
| tree | 077a560066417e1d08a05ad3b25d0da1ef12f454 | |
| parent | Revert "powerpc/8xx: Use L1 entry APG to handle _PAGE_ACCESSED for CONFIG_SWAP" (diff) | |
| download | linux-082e2869fc022de4db9977e06558da78384ea98c.tar.xz linux-082e2869fc022de4db9977e06558da78384ea98c.zip | |
powerpc/code-patching: Add a helper to get the address of a patch_site
This patch adds a helper to get the address of a patch_site.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Call it "patch site" addr]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/include/asm/code-patching.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index 31733a95bbd0..3d5acd2b113a 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -36,6 +36,11 @@ int raw_patch_instruction(unsigned int *addr, unsigned int instr); int patch_instruction_site(s32 *addr, unsigned int instr); int patch_branch_site(s32 *site, unsigned long target, int flags); +static inline unsigned long patch_site_addr(s32 *site) +{ + return (unsigned long)site + *site; +} + int instr_is_relative_branch(unsigned int instr); int instr_is_relative_link_branch(unsigned int instr); int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr); |