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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-11-09 17:33:30 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-19 18:56:32 +1100 |
| commit | 6c16816b91a64a33033930fbe2ae3f02e012d8bd (patch) | |
| tree | 619f2cbcc6ac39f5cd0e6e664a96d512d7bd9787 /arch/powerpc/kernel/head_44x.S | |
| parent | d16952a629129ce3f20ff7299de87c4d63b27a30 (diff) | |
| download | lwn-6c16816b91a64a33033930fbe2ae3f02e012d8bd.tar.gz lwn-6c16816b91a64a33033930fbe2ae3f02e012d8bd.zip | |
powerpc/44x: use patch_sites for TLB handlers patching
Use patch sites and associated helpers to manage TLB handlers
patching instead of hardcoding.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/head_44x.S')
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index 37e4a7cf0065..bf23c19c92d6 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -40,6 +40,7 @@ #include <asm/ptrace.h> #include <asm/synch.h> #include <asm/export.h> +#include <asm/code-patching-asm.h> #include "head_booke.h" @@ -382,10 +383,9 @@ interrupt_base: /* Increment, rollover, and store TLB index */ addi r13,r13,1 + patch_site 0f, patch__tlb_44x_hwater_D /* Compare with watermark (instruction gets patched) */ - .globl tlb_44x_patch_hwater_D -tlb_44x_patch_hwater_D: - cmpwi 0,r13,1 /* reserve entries */ +0: cmpwi 0,r13,1 /* reserve entries */ ble 5f li r13,0 5: @@ -478,10 +478,9 @@ tlb_44x_patch_hwater_D: /* Increment, rollover, and store TLB index */ addi r13,r13,1 + patch_site 0f, patch__tlb_44x_hwater_I /* Compare with watermark (instruction gets patched) */ - .globl tlb_44x_patch_hwater_I -tlb_44x_patch_hwater_I: - cmpwi 0,r13,1 /* reserve entries */ +0: cmpwi 0,r13,1 /* reserve entries */ ble 5f li r13,0 5: |