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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-11-11 11:02:43 -0500
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2008-11-13 10:11:26 -0500
commit6612d9b0b8208c2ade3a16b8302a271ec81d45f6 (patch)
tree8c5ae9d31853b147fe90ac8df8e48ca215e38061
parent5907630ffc2b2d133de2db18963ee5a6c5af7878 (diff)
powerpc/44x: Fix 460EX/460GT machine check handling
Those cores use the 440A type machine check (ie, they have MCSRR0/MCSRR1). They thus need to call the appropriate fixup function to hook the right variant of the exception. Without this, all machine checks become fatal due to loss of context when entering the exception handler. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
-rw-r--r--arch/powerpc/kernel/cpu_setup_44x.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S
index 80cac984d85d..31c18b52affb 100644
--- a/arch/powerpc/kernel/cpu_setup_44x.S
+++ b/arch/powerpc/kernel/cpu_setup_44x.S
@@ -34,7 +34,12 @@ _GLOBAL(__setup_cpu_440grx)
34 blr 34 blr
35_GLOBAL(__setup_cpu_460ex) 35_GLOBAL(__setup_cpu_460ex)
36_GLOBAL(__setup_cpu_460gt) 36_GLOBAL(__setup_cpu_460gt)
37 b __init_fpu_44x 37 mflr r4
38 bl __init_fpu_44x
39 bl __fixup_440A_mcheck
40 mtlr r4
41 blr
42
38_GLOBAL(__setup_cpu_440gx) 43_GLOBAL(__setup_cpu_440gx)
39_GLOBAL(__setup_cpu_440spe) 44_GLOBAL(__setup_cpu_440spe)
40 b __fixup_440A_mcheck 45 b __fixup_440A_mcheck