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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-11-09 17:33:30 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2018-12-19 18:56:32 +1100
commit6c16816b91a64a33033930fbe2ae3f02e012d8bd (patch)
tree619f2cbcc6ac39f5cd0e6e664a96d512d7bd9787 /arch/powerpc/kernel/head_44x.S
parentd16952a629129ce3f20ff7299de87c4d63b27a30 (diff)
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.S11
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: