qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Hendrik Wuethrich <whendrik@google.com>
Cc: qemu-devel@nongnu.org, eduardo@habkost.net,
	richard.henderson@linaro.org, marcel.apfelbaum@gmail.com,
	pbonzini@redhat.com, zhao1.liu@intel.com, xiaoyao.li@intel.com,
	peternewman@google.com
Subject: Re: [PATCH v5 8/8] i386/cpu: Adjust level for RDT on full_cpuid_auto_level
Date: Wed, 8 Jan 2025 13:35:03 -0500	[thread overview]
Message-ID: <20250108133450-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20241213172645.2751696-9-whendrik@google.com>

On Fri, Dec 13, 2024 at 05:26:45PM +0000, Hendrik Wuethrich wrote:
> From: ‪Hendrik Wüthrich <whendrik@google.com>
> 
> Make sure that RDT monitoring and allocation features are included in
> in full_cpuid_auto_level.
> 
> Signed-off-by: Hendrik Wüthrich <whendrik@google.com>
> ---
>  target/i386/cpu.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index f7904870ed..4f1493043e 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -880,6 +880,7 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
>  #else
>  #define TCG_7_0_ECX_RDPID 0
>  #endif
> +
>  #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | \
>            /* CPUID_7_0_ECX_OSPKE is dynamic */ \
>            CPUID_7_0_ECX_LA57 | CPUID_7_0_ECX_PKS | CPUID_7_0_ECX_VAES | \


do not change unrelated code pls.

> @@ -7672,6 +7673,8 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
>          x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
>          x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
>          x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
> +        x86_cpu_adjust_feat_level(cpu, FEAT_RDT_F_0_EDX);
> +        x86_cpu_adjust_feat_level(cpu, FEAT_RDT_10_0_EBX);
>  
>          /* Intel Processor Trace requires CPUID[0x14] */
>          if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT)) {
> -- 
> 2.47.1.613.gc27f4b7a9f-goog



  reply	other threads:[~2025-01-08 18:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-13 17:26 [PATCH v5 0/8] mulate Intel RDT features needed to mount ResCtrl in Linux Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 1/8] i386: Add Intel RDT device and State to config Hendrik Wuethrich
2025-02-20 15:41   ` Jonathan Cameron via
2025-02-28  8:40     ` Hendrik Wüthrich
2024-12-13 17:26 ` [PATCH v5 2/8] i386: Add init and realize functionality for RDT device Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 3/8] i386: Add RDT functionality Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 4/8] i386: Add RDT device interface through MSRs Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 5/8] i386: Add CPUID enumeration for RDT Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 6/8] i386: Add RDT feature flags Hendrik Wuethrich
2025-01-08 18:39   ` Michael S. Tsirkin
2025-01-15 14:55     ` Hendrik Wüthrich
2024-12-13 17:26 ` [PATCH v5 7/8] i386/cpu: Adjust CPUID level for RDT features Hendrik Wuethrich
2024-12-13 17:26 ` [PATCH v5 8/8] i386/cpu: Adjust level for RDT on full_cpuid_auto_level Hendrik Wuethrich
2025-01-08 18:35   ` Michael S. Tsirkin [this message]
2025-02-20 14:50 ` [PATCH v5 0/8] mulate Intel RDT features needed to mount ResCtrl in Linux Michael S. Tsirkin
2025-02-20 15:38   ` Hendrik Wüthrich

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250108133450-mutt-send-email-mst@kernel.org \
    --to=mst@redhat.com \
    --cc=eduardo@habkost.net \
    --cc=marcel.apfelbaum@gmail.com \
    --cc=pbonzini@redhat.com \
    --cc=peternewman@google.com \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=whendrik@google.com \
    --cc=xiaoyao.li@intel.com \
    --cc=zhao1.liu@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).