diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/amd_nb.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/amd.c | 6 |
2 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 11fac09e3a8c..67e773744edb 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -143,7 +143,6 @@ bool __init early_is_amd_nb(u32 device) struct resource *amd_get_mmconfig_range(struct resource *res) { - u32 address; u64 base, msr; unsigned int segn_busn_bits; @@ -151,13 +150,11 @@ struct resource *amd_get_mmconfig_range(struct resource *res) boot_cpu_data.x86_vendor != X86_VENDOR_HYGON) return NULL; - /* assume all cpus from fam10h have mmconfig */ - if (boot_cpu_data.x86 < 0x10) + /* Assume CPUs from Fam10h have mmconfig, although not all VMs do */ + if (boot_cpu_data.x86 < 0x10 || + rdmsrl_safe(MSR_FAM10H_MMIO_CONF_BASE, &msr)) return NULL; - address = MSR_FAM10H_MMIO_CONF_BASE; - rdmsrl(address, msr); - /* mmconfig is not enabled */ if (!(msr & FAM10H_MMIO_CONF_ENABLE)) return NULL; diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 95ac1c6a84fb..c69b1bc45483 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -175,23 +175,29 @@ static bool need_sha_check(u32 cur_rev) { switch (cur_rev >> 8) { case 0x80012: return cur_rev <= 0x800126f; break; + case 0x80082: return cur_rev <= 0x800820f; break; case 0x83010: return cur_rev <= 0x830107c; break; case 0x86001: return cur_rev <= 0x860010e; break; case 0x86081: return cur_rev <= 0x8608108; break; case 0x87010: return cur_rev <= 0x8701034; break; case 0x8a000: return cur_rev <= 0x8a0000a; break; + case 0xa0010: return cur_rev <= 0xa00107a; break; case 0xa0011: return cur_rev <= 0xa0011da; break; case 0xa0012: return cur_rev <= 0xa001243; break; + case 0xa0082: return cur_rev <= 0xa00820e; break; case 0xa1011: return cur_rev <= 0xa101153; break; case 0xa1012: return cur_rev <= 0xa10124e; break; case 0xa1081: return cur_rev <= 0xa108109; break; case 0xa2010: return cur_rev <= 0xa20102f; break; case 0xa2012: return cur_rev <= 0xa201212; break; + case 0xa4041: return cur_rev <= 0xa404109; break; + case 0xa5000: return cur_rev <= 0xa500013; break; case 0xa6012: return cur_rev <= 0xa60120a; break; case 0xa7041: return cur_rev <= 0xa704109; break; case 0xa7052: return cur_rev <= 0xa705208; break; case 0xa7080: return cur_rev <= 0xa708009; break; case 0xa70c0: return cur_rev <= 0xa70C009; break; + case 0xaa001: return cur_rev <= 0xaa00116; break; case 0xaa002: return cur_rev <= 0xaa00218; break; default: break; } |