Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-12 14:12:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

x86: limit scan to 1k of EBDA.

Browse Source 
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexey Starikovskiy 2008-03-17 22:08:24 +03:00 committed by Ingo Molnar
parent ce3fe6b2bf
commit 85e46035be
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kernel/mpparse_64.c
View File

@ -640,11 +640,13 @@ static void __init __find_smp_config(unsigned reserve)
* trustworthy, simply because the SMP table may have been
* stomped on during early boot. These loaders are buggy and
* should be fixed.
*
* MP1.4 SPEC states to only scan first 1K of 4K EBDA.
*/
address = get_bios_ebda();
if (address)
smp_scan_config(address, 0x1000, reserve);
smp_scan_config(address, 0x400, reserve);
}
void __init early_find_smp_config(void)