Commit 6f9b63a0 authored by Borislav Petkov's avatar Borislav Petkov
Browse files

x86, CPU, AMD: Move K8 TLB flush filter workaround to K8 code 



This belongs with the rest of the code in init_amd_k8() which gets
executed on family 0xf.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
parent 585e4777

arch/x86/kernel/cpu/amd.c

+11 −12
Original line number Diff line number Diff line
@@ -566,6 +566,17 @@ static void init_amd_k8(struct cpuinfo_x86 *c) 


	if (!c->x86_model_id[0])

		strcpy(c->x86_model_id, "Hammer");



#ifdef CONFIG_SMP

	/*

	 * Disable TLB flush filter by setting HWCR.FFDIS on K8

	 * bit 6 of msr C001_0015

	 *

	 * Errata 63 for SH-B3 steppings

	 * Errata 122 for all steppings (F+ have it disabled by default)

	 */

	msr_set_bit(MSR_K7_HWCR, 6);

#endif

}



static void init_amd_gh(struct cpuinfo_x86 *c)
@@ -636,18 +647,6 @@ static void init_amd(struct cpuinfo_x86 *c) 
{

	u32 dummy;



#ifdef CONFIG_SMP

	/*

	 * Disable TLB flush filter by setting HWCR.FFDIS on K8

	 * bit 6 of msr C001_0015

	 *

	 * Errata 63 for SH-B3 steppings

	 * Errata 122 for all steppings (F+ have it disabled by default)

	 */

	if (c->x86 == 0xf)

		msr_set_bit(MSR_K7_HWCR, 6);

#endif



	early_init_amd(c);



	/*

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