Re: [patch 2.4 1/2] backport 2.6 x86 cpu capabilities

From: Mikael Pettersson
Date: Fri Aug 08 2003 - 06:24:34 EST


On Thu, 7 Aug 2003 22:54:30 -0400, Jeff Garzik wrote:
>(hopefully destined for 2.4.23-pre1)
>
>#
># include/asm-i386/msr.h 1.8 -> 1.9
># include/asm-i386/cpufeature.h 1.5 -> 1.6
># arch/i386/kernel/setup.c 1.70 -> 1.71
>#
...
>-#define NCAPINTS 4 /* Currently we have 4 32-bit words worth of info */
>+#define NCAPINTS 6 /* Currently we have 6 32-bit words worth of info */

If you change NCAPINTS you also have to change the hardcoded
struct offset X86_VENDOR_ID in arch/i386/kernel/head.S. Otherwise
nasty stuff happen at boot since boot_cpu_data gets broken.

/Mikael
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