![]() The current rd/wrmsr_on_cpus helpers assume that the supplied cpumasks are contiguous. However, there are machines out there like some K8 multinode Opterons which have a non-contiguous core enumeration on each node (e.g. cores 0,2 on node 0 instead of 0,1), see http://www.gossamer-threads.com/lists/linux/kernel/1160268. This patch fixes out-of-bounds writes (see URL above) by adding per-CPU msr structs which are used on the respective cores. Additionally, two helpers, msrs_{alloc,free}, are provided for use by the callers of the MSR accessors. Cc: H. Peter Anvin <hpa@zytor.com> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Aristeu Rozanski <aris@redhat.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> LKML-Reference: <20091211171440.GD31998@aftab> Signed-off-by: H. Peter Anvin <hpa@zytor.com> |
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.. | ||
amd64_edac.c | ||
amd64_edac.h | ||
amd64_edac_dbg.c | ||
amd64_edac_inj.c | ||
amd76x_edac.c | ||
amd8111_edac.c | ||
amd8111_edac.h | ||
amd8131_edac.c | ||
amd8131_edac.h | ||
cell_edac.c | ||
cpc925_edac.c | ||
e7xxx_edac.c | ||
e752x_edac.c | ||
edac_core.h | ||
edac_device.c | ||
edac_device_sysfs.c | ||
edac_mc.c | ||
edac_mc_sysfs.c | ||
edac_mce_amd.c | ||
edac_mce_amd.h | ||
edac_module.c | ||
edac_module.h | ||
edac_pci.c | ||
edac_pci_sysfs.c | ||
edac_stub.c | ||
i3000_edac.c | ||
i3200_edac.c | ||
i5000_edac.c | ||
i5100_edac.c | ||
i5400_edac.c | ||
i82443bxgx_edac.c | ||
i82860_edac.c | ||
i82875p_edac.c | ||
i82975x_edac.c | ||
Kconfig | ||
Makefile | ||
mpc85xx_edac.c | ||
mpc85xx_edac.h | ||
mv64x60_edac.c | ||
mv64x60_edac.h | ||
pasemi_edac.c | ||
ppc4xx_edac.c | ||
ppc4xx_edac.h | ||
r82600_edac.c | ||
x38_edac.c |