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authorMichael Neuling <mikey@neuling.org>2012-06-25 13:33:25 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-10 19:18:35 +1000
commit962cffbd8a21ad380ec71a6f5ea55a8e08f32dd1 (patch)
tree378842a721bfd35cc54bd94e1a26d499c6fb43ac /arch/powerpc/kernel/exceptions-64e.S
parentf4c015795c74ec31b7ad0b8e11d07946fe853db4 (diff)
powerpc: Enforce usage of RA 0-R31 where possible
Some macros use RA where when RA=R0 the values is 0, so make this the enforced mnemonic in the macro. Idea suggested by Andreas Schwab. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64e.S')
-rw-r--r--arch/powerpc/kernel/exceptions-64e.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index bc3673431fd..ecba705bd62 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -903,7 +903,7 @@ skpinv: addi r6,r6,1 /* Increment */
bne 1b /* If not, repeat */
/* Invalidate all TLBs */
- PPC_TLBILX_ALL(R0,R0)
+ PPC_TLBILX_ALL(0,R0)
sync
isync
@@ -961,7 +961,7 @@ skpinv: addi r6,r6,1 /* Increment */
tlbwe
/* Invalidate TLB1 */
- PPC_TLBILX_ALL(R0,R0)
+ PPC_TLBILX_ALL(0,R0)
sync
isync
@@ -1020,7 +1020,7 @@ skpinv: addi r6,r6,1 /* Increment */
tlbwe
/* Invalidate TLB1 */
- PPC_TLBILX_ALL(R0,R0)
+ PPC_TLBILX_ALL(0,R0)
sync
isync
@@ -1138,7 +1138,7 @@ a2_tlbinit_after_iprot_flush:
tlbwe
#endif /* CONFIG_PPC_EARLY_DEBUG_WSP */
- PPC_TLBILX(0,R0,R0)
+ PPC_TLBILX(0,0,R0)
sync
isync