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authorIngo Molnar <mingo@elte.hu>2009-10-01 16:14:32 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-02 15:42:18 +0200
commitf436f8bb73138bc74eb1c6527723e00988ad8a8a (patch)
tree834bd21c6d8daff79328582e429146417c262270 /drivers/edac/Makefile
parent24e35800cdc4350fc34e2bed37b608a9e13ab3b6 (diff)
x86: EDAC: MCE: Fix MCE decoding callback logic
Make decoding of MCEs happen only on AMD hardware by registering a non-default callback only on CPU families which support it. While looking at the interaction of decode_mce() with the other MCE code i also noticed a few other things and made the following cleanups/fixes: - Fixed the mce_decode() weak alias - a weak alias is really not good here, it should be a proper callback. A weak alias will be overriden if a piece of code is built into the kernel - not good, obviously. - The patch initializes the callback on AMD family 10h and 11h. - Added the more correct fallback printk of: No support for human readable MCE decoding on this CPU type. Transcribe the message and run it through 'mcelog --ascii' to decode. On CPUs that dont have a decoder. - Made the surrounding code more readable. Note that the callback allows us to have a default fallback - without having to check the CPU versions during the printout itself. When an EDAC module registers itself, it can install the decode-print function. (there's no unregister needed as this is core code.) version -v2 by Borislav Petkov: - add K8 to the set of supported CPUs - always build in edac_mce_amd since we use an early_initcall now - fix checkpatch warnings Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andi Kleen <andi@firstfloor.org> LKML-Reference: <20091001141432.GA11410@aftab> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/edac/Makefile')
-rw-r--r--drivers/edac/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index 7a473bbe8ab..8701cd7ce4e 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -18,7 +18,7 @@ edac_core-objs += edac_pci.o edac_pci_sysfs.o
endif
ifdef CONFIG_CPU_SUP_AMD
-edac_core-objs += edac_mce_amd.o
+obj-$(CONFIG_X86_MCE) += edac_mce_amd.o
endif
obj-$(CONFIG_EDAC_AMD76X) += amd76x_edac.o