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(parent: d4c90e3) | patch
x86: MTRR workaround for system with stange var MTRRs
authorYinghai Lu <yinghai@kernel.org>
Mon, 16 Mar 2009 23:33:59 +0000 (16:33 -0700)
committerIngo Molnar <mingo@elte.hu>
Tue, 17 Mar 2009 09:47:47 +0000 (10:47 +0100)
commitf0348c438c9ea156194d31fadde4a9e75522196f
treee06511311bbe5ca161526f9ab494765efe628413tree | snapshot (tar.gz zip)
parentd4c90e37a21154c1910b2646e9544bdd32d5bc3acommit | diff
x86: MTRR workaround for system with stange var MTRRs

Impact: don't trim e820 according to wrong mtrr

Ozan reports that his server emits strange warning.
it turns out the BIOS sets the MTRRs incorrectly.

Ignore those strange ranges, and don't trim e820,
just emit one warning about BIOS

Reported-by: Ozan Çağlayan <ozan@pardus.org.tr>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <49BEE1E7.7020706@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/mtrr/cleanup.c diff | blob | blame | history
arch/x86/kernel/cpu/mtrr/main.c diff | blob | blame | history
arch/x86/kernel/cpu/mtrr/mtrr.h diff | blob | blame | history