| commit | cd670599b7b00d9263f6f11a05c0edeb9cbedaf3 | [log] [tgz] |
|---|---|---|
| author | H. Peter Anvin <hpa@zytor.com> | Wed Apr 01 11:35:00 2009 -0700 |
| committer | H. Peter Anvin <hpa@zytor.com> | Wed Apr 01 11:35:00 2009 -0700 |
| tree | e7aa26873f746baa1bd49cd92d3e7ab97c1716af | |
| parent | c549e71d073a6e9a4847497344db28a784061455 [diff] |
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>