Re: [PATCH 4/6] x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key

Josh Poimboeuf
2023-10-23T18:48:49Z

On Fri, Oct 20, 2023 at 01:45:15PM -0700, Pawan Gupta wrote:
> @@ -484,11 +484,11 @@ static void __init md_clear_update_mitigation(void)
> if (cpu_mitigations_off())
> return;
>
> - if (!static_key_enabled(&mds_user_clear))
> + if (!boot_cpu_has(X86_FEATURE_USER_CLEAR_CPU_BUF))
> goto out;
>
> /*
> - * mds_user_clear is now enabled. Update MDS, TAA and MMIO Stale Data
> + * X86_FEATURE_USER_CLEAR_CPU_BUF is now enabled. Update MDS, TAA and MMIO Stale Data
> * mitigation, if necessary.
> */

This comment line got long, the paragraph can be reformatted.

--
Josh