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authorJakub Kicinski <kuba@kernel.org>2025-11-06 09:25:16 -0800
committerJakub Kicinski <kuba@kernel.org>2025-11-06 09:27:40 -0800
commit1ec9871fbb80ba7db84f868f6aa40d38bc43f0e0 (patch)
tree5b51296797c4e6d4cfa1707d3cacf2704efa2de4 /arch/x86/kernel/cpu/microcode
parent13068e9d57264d0a86b8195817a01155ba33d230 (diff)
parentc2c2ccfd4ba72718266a56f3ecc34c989cb5b7a0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.18-rc5). Conflicts: drivers/net/wireless/ath/ath12k/mac.c 9222582ec524 ("Revert "wifi: ath12k: Fix missing station power save configuration"") 6917e268c433 ("wifi: ath12k: Defer vdev bring-up until CSA finalize to avoid stale beacon") https://lore.kernel.org/11cece9f7e36c12efd732baa5718239b1bf8c950.camel@sipsolutions.net Adjacent changes: drivers/net/ethernet/intel/Kconfig b1d16f7c0063 ("libie: depend on DEBUG_FS when building LIBIE_FWLOG") 93f53db9f9dc ("ice: switch to Page Pool") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode')
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 28ed8c089024..b7c797dc94f4 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -233,13 +233,31 @@ static bool need_sha_check(u32 cur_rev)
return true;
}
+static bool cpu_has_entrysign(void)
+{
+ unsigned int fam = x86_family(bsp_cpuid_1_eax);
+ unsigned int model = x86_model(bsp_cpuid_1_eax);
+
+ if (fam == 0x17 || fam == 0x19)
+ return true;
+
+ if (fam == 0x1a) {
+ if (model <= 0x2f ||
+ (0x40 <= model && model <= 0x4f) ||
+ (0x60 <= model && model <= 0x6f))
+ return true;
+ }
+
+ return false;
+}
+
static bool verify_sha256_digest(u32 patch_id, u32 cur_rev, const u8 *data, unsigned int len)
{
struct patch_digest *pd = NULL;
u8 digest[SHA256_DIGEST_SIZE];
int i;
- if (x86_family(bsp_cpuid_1_eax) < 0x17)
+ if (!cpu_has_entrysign())
return true;
if (!need_sha_check(cur_rev))