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authorH. Peter Anvin <hpa@zytor.com>2009-04-01 11:35:00 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-04-01 11:35:00 -0700
commitcd670599b7b00d9263f6f11a05c0edeb9cbedaf3 (patch)
treee7aa26873f746baa1bd49cd92d3e7ab97c1716af /arch/ia64/sn/kernel/setup.c
parentc549e71d073a6e9a4847497344db28a784061455 (diff)
downloadop-kernel-dev-cd670599b7b00d9263f6f11a05c0edeb9cbedaf3.zip
op-kernel-dev-cd670599b7b00d9263f6f11a05c0edeb9cbedaf3.tar.gz
x86, setup: guard against pre-ACPI 3 e820 code not updating %ecx
Impact: BIOS bug safety For pre-ACPI 3 BIOSes, pre-initialize the end of the e820 buffer just in case the BIOS returns an unchanged %ecx but without actually touching the ACPI 3 extended flags field. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/ia64/sn/kernel/setup.c')
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