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Peter Anvin" , "Rafael J . Wysocki" , Len Brown , Andy Lutomirski , Viresh Kumar , Fenghua Yu , Jean Delvare , Guenter Roeck , Sohil Mehta , Zhang Rui , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linux-hwmon@vger.kernel.org Subject: [RFC PATCH 11/15] x86/pat: Replace Intel model checks with VFM ones Date: Fri, 20 Dec 2024 21:37:06 +0000 Message-ID: <20241220213711.1892696-12-sohil.mehta@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241220213711.1892696-1-sohil.mehta@intel.com> References: <20241220213711.1892696-1-sohil.mehta@intel.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Introduce markers and names for some family 6 and family 15 models and replace with VFM based checks. Signed-off-by: Sohil Mehta --- arch/x86/include/asm/intel-family.h | 2 ++ arch/x86/mm/pat/memtype.c | 7 ++++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index 025d091be98e..76a184361930 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -186,8 +186,10 @@ #define INTEL_QUARK_X1000 IFM(5, 0x09) /* Quark X1000 SoC */ /* Family 15 */ +#define INTEL_FAM15_START IFM(15, 0x00) /* Notational marker */ #define INTEL_P4_WILLAMETTE IFM(15, 0x01) /* Also Xeon Foster */ #define INTEL_P4_PRESCOTT IFM(15, 0x03) +#define INTEL_P4_CEDARMILL IFM(15, 0x06) /* Also Xeon Dempsey */ /* Family 19 */ #define INTEL_PANTHERCOVE_X IFM(19, 0x01) /* Diamond Rapids */ diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c index feb8cc6a12bf..e6d7dc608b77 100644 --- a/arch/x86/mm/pat/memtype.c +++ b/arch/x86/mm/pat/memtype.c @@ -43,6 +43,7 @@ #include #include +#include #include #include #include @@ -290,9 +291,9 @@ void __init pat_bp_init(void) return; } - if ((c->x86_vendor == X86_VENDOR_INTEL) && - (((c->x86 == 0x6) && (c->x86_model <= 0xd)) || - ((c->x86 == 0xf) && (c->x86_model <= 0x6)))) { + if (c->x86_vendor == X86_VENDOR_INTEL && + ((c->x86_vfm >= INTEL_PENTIUM_PRO && c->x86_vfm <= INTEL_PENTIUM_M_DOTHAN) || + (c->x86_vfm > INTEL_FAM15_START && c->x86_vfm <= INTEL_P4_CEDARMILL))) { /* * PAT support with the lower four entries. Intel Pentium 2, * 3, M, and 4 are affected by PAT errata, which makes the