| Message ID | 20211026120310.487348118@infradead.org (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | x86: Rewrite the retpoline rewrite logic | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Not a local patch |
| bpf/vmtest-bpf-next-PR | fail | merge-conflict |
| bpf/vmtest-bpf-PR | fail | merge-conflict |
| bpf/vmtest-bpf-next | pending | VM_Test |
--- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -882,13 +882,6 @@ static enum spectre_v2_mitigation_cmd __ return SPECTRE_V2_CMD_AUTO; } - if (cmd == SPECTRE_V2_CMD_RETPOLINE_AMD && - boot_cpu_data.x86_vendor != X86_VENDOR_HYGON && - boot_cpu_data.x86_vendor != X86_VENDOR_AMD) { - pr_err("retpoline,amd selected but CPU is not AMD. Switching to AUTO select\n"); - return SPECTRE_V2_CMD_AUTO; - } - spec_v2_print_cond(mitigation_options[i].option, mitigation_options[i].secure); return cmd;
Currently Linux prevents usage of retpoline,amd on !AMD hardware, this is unfriendly and gets in the way of testing. Remove this restriction. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/x86/kernel/cpu/bugs.c | 7 ------- 1 file changed, 7 deletions(-)