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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-07-19 14:49:28 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2017-08-03 16:06:44 +1000
commitb4c001dc44f055a6813e30815c3abbb0404cbc98 (patch)
tree90c523d6cc5f96243cf402035a7ffe6d65349b68 /arch/powerpc
parent398a719d34a1b65f9fb1e26f999c197a1446ce48 (diff)
downloadlinux-b4c001dc44f055a6813e30815c3abbb0404cbc98.tar.bz2
powerpc/mm: Use symbolic constants for filtering SRR1 bits on ISIs
This uses the newly defined constants for this rather than open-coded numbers. There is a side effect on 64-bit which is to pass through some of the new P9 bits which we didn't before. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S2
-rw-r--r--arch/powerpc/kernel/head_32.S4
-rw-r--r--arch/powerpc/kernel/head_8xx.S4
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 775ad0b77830..ab043a8cac92 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -541,7 +541,7 @@ EXC_COMMON_BEGIN(instruction_access_common)
RECONCILE_IRQ_STATE(r10, r11)
ld r12,_MSR(r1)
ld r3,_NIP(r1)
- andis. r4,r12,0x5820
+ andis. r4,r12,DSISR_BAD_FAULT_64S@h
li r5,0x400
std r3,_DAR(r1)
std r4,_DSISR(r1)
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index b1aa0119ad20..8c54166491e7 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -403,13 +403,13 @@ DataAccess:
DO_KVM 0x400
InstructionAccess:
EXCEPTION_PROLOG
- andis. r0,r9,0x4000 /* no pte found? */
+ andis. r0,r9,SRR1_ISI_NOPT@h /* no pte found? */
beq 1f /* if so, try to put a PTE */
li r3,0 /* into the hash table */
mr r4,r12 /* SRR0 is fault address */
bl hash_page
1: mr r4,r12
- andis. r5,r9,0x4820 /* Filter relevant SRR1 bits */
+ andis. r5,r9,DSISR_SRR1_MATCH_32S@h /* Filter relevant SRR1 bits */
EXC_XFER_LITE(0x400, handle_page_fault)
/* External interrupt */
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index da3afa2c1658..07ddced6bab3 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -569,8 +569,8 @@ _ENTRY(DTLBMiss_jmp)
InstructionTLBError:
EXCEPTION_PROLOG
mr r4,r12
- andis. r5,r9,0x4820 /* Filter relevant SRR1 bits */
- andis. r10,r9,0x4000
+ andis. r5,r9,DSISR_SRR1_MATCH_32S@h /* Filter relevant SRR1 bits */
+ andis. r10,r9,SRR1_ISI_NOPT@h
beq+ 1f
tlbie r4
itlbie: