]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
projects / linux-2.6-omap-h63xx.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 01522df) | patch
x86, setup: preemptively save/restore edi and ebp around INT 15 E820
authorH. Peter Anvin <hpa@zytor.com>
Sat, 28 Mar 2009 20:53:26 +0000 (13:53 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Sun, 29 Mar 2009 01:18:20 +0000 (18:18 -0700)
commit32ec7fd08b597586774b92ac1cd2678021ccac1b
tree532ec12d24a1c7c17d3250ccdb2b66ddc8804cfftree | snapshot
parent01522df346f846906eaf6ca57148641476209909commit | diff
x86, setup: preemptively save/restore edi and ebp around INT 15 E820

Impact: BIOS bugproofing

Since there are BIOSes known to clobber %ebx and %esi for INT 15 E820,
assume there is something out there clobbering %edi and/or %ebp too,
and don't wait for it to fail.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/boot/memory.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.