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[PATCH] x86_64: Only do the clustered systems have unsynchronized TSC assumption on IBM systems

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Big Unisys systems have multiple clusters too, but they have an
synchronized TSC.

I'm using the SMBIOS to check for vendor == IBM.

Cc: Chris McDermott <lcm@us.ibm.com>
Cc: "Protasevich, Natalie" <Natalie.Protasevich@unisys.com>

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen
2006-02-26 04:18:31 +01:00
committed by Linus Torvalds
parent 5342fba541
commit 13a229abc2
3 changed files with 22 additions and 4 deletions
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3
arch/i386/kernel/acpi/boot.c
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@@ -44,9 +44,6 @@ extern void __init clustered_apic_check(void);
extern int gsi_irq_sharing(int gsi);
#include <asm/proto.h>
static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; }
#else /* X86 */
#ifdef CONFIG_X86_LOCAL_APIC