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authorAnton Blanchard <anton@samba.org>2012-04-18 02:21:52 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-04-30 15:37:26 +1000
commit694caf0255dcab506d1e174c96a65ab65d96e108 (patch)
treeb5bb6facfc517062c319c742b54c4fceffa56c9b /arch/powerpc/kernel
parent6cd3209967469f6e89d329deda6bb0b4700e7b62 (diff)
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powerpc: Remove CONFIG_POWER4_ONLY
Remove CONFIG_POWER4_ONLY, the option is badly named and only does two things: - It wraps the MMU segment table code. With feature fixups there is little downside to compiling this in. - It uses the newer mtocrf instruction in various assembly functions. Instead of making this a compile option just do it at runtime via a feature fixup. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index cb705fd..e053769 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -94,12 +94,10 @@ machine_check_pSeries_1:
data_access_pSeries:
HMT_MEDIUM
SET_SCRATCH0(r13)
-#ifndef CONFIG_POWER4_ONLY
BEGIN_FTR_SECTION
b data_access_check_stab
data_access_not_stab:
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_SLB)
-#endif
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, data_access_common, EXC_STD,
KVMTEST, 0x300)
@@ -301,7 +299,6 @@ machine_check_fwnmi:
EXC_STD, KVMTEST, 0x200)
KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200)
-#ifndef CONFIG_POWER4_ONLY
/* moved from 0x300 */
data_access_check_stab:
GET_PACA(r13)
@@ -328,7 +325,6 @@ do_stab_bolted_pSeries:
GET_SCRATCH0(r10)
std r10,PACA_EXSLB+EX_R13(r13)
EXCEPTION_PROLOG_PSERIES_1(.do_stab_bolted, EXC_STD)
-#endif /* CONFIG_POWER4_ONLY */
KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x300)
KVM_HANDLER_SKIP(PACA_EXSLB, EXC_STD, 0x380)