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Miscellaneous x86 fixes:

Browse source 
- Add more AMD Zen6 models (Pratik Vishwakarma)
 
  - Avoid confusing bootup message by the Intel resctl enumeration
    code when running on certain AMD systems (Tony Luck)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:

 - Add more AMD Zen6 models (Pratik Vishwakarma)

 - Avoid confusing bootup message by the Intel resctl enumeration
   code when running on certain AMD systems (Tony Luck)

* tag 'x86-urgent-2026-06-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Only check Intel systems for SNC
  x86/CPU/AMD: Add more Zen6 models
This commit is contained in:
Linus Torvalds 2026-06-07 13:12:29 -07:00
commit c68691dc1d
2 changed files with 7 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
arch/x86/kernel/cpu/amd.c
View file

@ -518,7 +518,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
break;
case 0x50 ... 0x5f:
case 0x80 ... 0xaf:
case 0xc0 ... 0xcf:
case 0xc0 ... 0xef:
setup_force_cpu_cap(X86_FEATURE_ZEN6);
break;
default:

7
arch/x86/kernel/cpu/resctrl/monitor.c
View file

@ -377,7 +377,12 @@ static const struct x86_cpu_id snc_cpu_ids[] __initconst = {
static __init int snc_get_config(void)
{
int ret = topology_num_nodes_per_package();
int ret;
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return 1;
ret = topology_num_nodes_per_package();
if (ret > 1 && !x86_match_cpu(snc_cpu_ids)) {
pr_warn("CoD enabled system? Resctrl not supported\n");