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[RFC,07/15] x86/mtrr: Modify a x86_model check to an Intel VFM check

Message ID 20241220213711.1892696-8-sohil.mehta@intel.com (mailing list archive)
State New
Headers show
Series Prepare for new Intel family models | expand

Commit Message

Sohil Mehta Dec. 20, 2024, 9:37 p.m. UTC 
Get rid of one of the last few Intel x86_model checks in arch/x86.

Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
---
 arch/x86/kernel/cpu/mtrr/generic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 7b29ebda024f..36f5dbd2f482 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -12,6 +12,7 @@ 
 #include <asm/processor-flags.h>
 #include <asm/cacheinfo.h>
 #include <asm/cpufeature.h>
+#include <asm/cpu_device_id.h>
 #include <asm/hypervisor.h>
 #include <asm/mshyperv.h>
 #include <asm/tlbflush.h>
@@ -1025,8 +1026,7 @@  int generic_validate_add_page(unsigned long base, unsigned long size,
 	 * For Intel PPro stepping <= 7
 	 * must be 4 MiB aligned and not touch 0x70000000 -> 0x7003FFFF
 	 */
-	if (mtrr_if == &generic_mtrr_ops && boot_cpu_data.x86 == 6 &&
-	    boot_cpu_data.x86_model == 1 &&
+	if (mtrr_if == &generic_mtrr_ops && boot_cpu_data.x86_vfm == INTEL_PENTIUM_PRO &&
 	    boot_cpu_data.x86_stepping <= 7) {
 		if (base & ((1 << (22 - PAGE_SHIFT)) - 1)) {
 			pr_warn("mtrr: base(0x%lx000) is not 4 MiB aligned\n", base);