Commit 85e46035 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Ingo Molnar
Browse files

x86: limit scan to 1k of EBDA. 



Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent ce3fe6b2

arch/x86/kernel/mpparse_64.c

+3 −1
Original line number Diff line number Diff line
@@ -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)