diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-11-06 09:25:16 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-06 09:27:40 -0800 |
| commit | 1ec9871fbb80ba7db84f868f6aa40d38bc43f0e0 (patch) | |
| tree | 5b51296797c4e6d4cfa1707d3cacf2704efa2de4 /arch/x86/kernel/cpu/amd.c | |
| parent | 13068e9d57264d0a86b8195817a01155ba33d230 (diff) | |
| parent | c2c2ccfd4ba72718266a56f3ecc34c989cb5b7a0 (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/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index ccaa51ce63f6..8e36964a7721 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -516,7 +516,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c) setup_force_cpu_cap(X86_FEATURE_ZEN5); break; case 0x50 ... 0x5f: - case 0x90 ... 0xaf: + case 0x80 ... 0xaf: case 0xc0 ... 0xcf: setup_force_cpu_cap(X86_FEATURE_ZEN6); break; @@ -1035,8 +1035,18 @@ static void init_amd_zen4(struct cpuinfo_x86 *c) } } +static const struct x86_cpu_id zen5_rdseed_microcode[] = { + ZEN_MODEL_STEP_UCODE(0x1a, 0x02, 0x1, 0x0b00215a), + ZEN_MODEL_STEP_UCODE(0x1a, 0x11, 0x0, 0x0b101054), +}; + static void init_amd_zen5(struct cpuinfo_x86 *c) { + if (!x86_match_min_microcode_rev(zen5_rdseed_microcode)) { + clear_cpu_cap(c, X86_FEATURE_RDSEED); + msr_clear_bit(MSR_AMD64_CPUID_FN_7, 18); + pr_emerg_once("RDSEED32 is broken. Disabling the corresponding CPUID bit.\n"); + } } static void init_amd(struct cpuinfo_x86 *c) |