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| author | Michael Neuling <mikey@neuling.org> | 2012-06-25 17:33:25 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-07-10 13:18:35 +0400 |
| commit | 962cffbd8a21ad380ec71a6f5ea55a8e08f32dd1 (patch) | |
| tree | 378842a721bfd35cc54bd94e1a26d499c6fb43ac /arch/powerpc/kernel | |
| parent | f4c015795c74ec31b7ad0b8e11d07946fe853db4 (diff) | |
| download | linux-962cffbd8a21ad380ec71a6f5ea55a8e08f32dd1.tar.xz | |
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')
| -rw-r--r-- | arch/powerpc/kernel/cpu_setup_a2.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64e.S | 8 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_a2.S b/arch/powerpc/kernel/cpu_setup_a2.S index 95675a7181dc..61f079e05b61 100644 --- a/arch/powerpc/kernel/cpu_setup_a2.S +++ b/arch/powerpc/kernel/cpu_setup_a2.S @@ -112,7 +112,7 @@ _icswx_skip_guest: * a bolted entry though it will be in LRU and so will go away eventually * but let's not bother for now */ - PPC_ERATILX(0,R0,R0) + PPC_ERATILX(0,0,R0) 1: blr diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index bc3673431fde..ecba705bd628 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 |