From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by sourceware.org (Postfix) with ESMTPS id BDEA83856DE5 for ; Wed, 5 Apr 2023 21:04:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org BDEA83856DE5 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-x52e.google.com with SMTP id y4so144421234edo.2 for ; Wed, 05 Apr 2023 14:04:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1680728697; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=iq8e0cbQBUlUFjNvuGdBs+odgH3YA6JO8YXC/g1Suxg=; b=CEAiEdRi+JJYYk6vPp/Br70Wy6msm0rFv5PWhAr0mGQvPfu1MTXpxpXIFukj1z8217 AtJnRS4QAENsZpqapIWQrZPdNnOf/QN4vkmMBqo7LLmOXxGX4/IgdC1yPCtn+DebqO3i jjq0jWNKwdM6FQoc6aItF+VFopIgSYJEIsbVffUZDX3qwiHK4BfzbtXpZg6yuekTyVVL gAFPWXsAvdHSfCQCt1T8kmApJ2D78hQzyY6XkUoF39k+9CwYDIJcMWgvIkU1ItPu/NB+ E+tdPQNsAepNnHtS7f6oai9ywdwM4LEbaxPDEqAjv/pePfgVuKT+k6tsxWphoze0RhOF wu0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680728697; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iq8e0cbQBUlUFjNvuGdBs+odgH3YA6JO8YXC/g1Suxg=; b=575mx6CSpKeNaJU1LMmK5V3QHnSMxZ+9sLgvjkS6euMarhjt6gd0OmzDXtozofgauN +yA4fLYvBqn5t7N14sFZmjTMvhISlf2QSV/XSUjCxsKb5GmJt74yaVDNa0R8HPEI+FcH T+uoQeVivorRNwLlvMmA5WsypDGIxu00fofLUTKISeLxeL46KCv9zq4O5Eso9m5lWQrs D7UVSfbxFXM0FSm6ADOvD6XwIsU9BB3yXrM3QOlk56tIt3/dE9U8MRxkqSKVASY0yzRb d5BKNRltDksChzsM1DzCd7yYoES/rTjEQqQpvd8kBY/VrLw40sJVA0ntAoIsWFLzZDEf 2rTw== X-Gm-Message-State: AAQBX9e1MwMkC7XygEn/VwGDVsc+wtY49nCLzeZ/m1SwXstF6UtGcTLs XCLVNkxXkxntH/42THPgerUkR9DC6UtNnZV/U3w= X-Google-Smtp-Source: AKy350aaUog0LwC8wchvp+iKtkXRaBxKaG0dayeyVFZak7xVnzgElGkA7lg6i9XgmCs+Su/zfxiW//s3uaJx2GwX1DQ= X-Received: by 2002:a17:907:8c0c:b0:8f1:4cc5:f14c with SMTP id ta12-20020a1709078c0c00b008f14cc5f14cmr2481275ejc.0.1680728697387; Wed, 05 Apr 2023 14:04:57 -0700 (PDT) MIME-Version: 1.0 References: <20230405162144.984598-1-hjl.tools@gmail.com> <20230405162144.984598-13-hjl.tools@gmail.com> In-Reply-To: <20230405162144.984598-13-hjl.tools@gmail.com> From: Noah Goldstein Date: Wed, 5 Apr 2023 16:04:46 -0500 Message-ID: Subject: Re: [PATCH 12/19] : Add WRMSRNS support To: "H.J. Lu" Cc: libc-alpha@sourceware.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-9.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Wed, Apr 5, 2023 at 11:23=E2=80=AFAM H.J. Lu via Libc-alpha wrote: > > Add WRMSRNS support to . > --- > manual/platform.texi | 3 +++ > sysdeps/x86/bits/platform/x86.h | 1 + > sysdeps/x86/tst-get-cpu-features.c | 1 + > 3 files changed, 5 insertions(+) > > diff --git a/manual/platform.texi b/manual/platform.texi > index ecee3a7b39..af79f5eb4d 100644 > --- a/manual/platform.texi > +++ b/manual/platform.texi > @@ -679,6 +679,9 @@ using a TSC deadline value. > @item > @code{WIDE_KL} -- AES wide Key Locker instructions. > > +@item > +@code{WRMSRNS} -- WRMSRNS instruction. > + > @item > @code{X2APIC} -- x2APIC. > > diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/= x86.h > index 74b7f951e1..2a15ad937a 100644 > --- a/sysdeps/x86/bits/platform/x86.h > +++ b/sysdeps/x86/bits/platform/x86.h > @@ -297,6 +297,7 @@ enum > x86_cpu_FZLRM =3D x86_cpu_index_7_ecx_1_eax + 1= 0, > x86_cpu_FSRS =3D x86_cpu_index_7_ecx_1_eax + 11, > x86_cpu_FSRCS =3D x86_cpu_index_7_ecx_1_eax + 1= 2, > + x86_cpu_WRMSRNS =3D x86_cpu_index_7_ecx_1_eax + 19, > x86_cpu_HRESET =3D x86_cpu_index_7_ecx_1_eax + 22, > x86_cpu_LAM =3D x86_cpu_index_7_ecx_1_eax + 26, > > diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu= -features.c > index 329d4aafb4..9c436eaa64 100644 > --- a/sysdeps/x86/tst-get-cpu-features.c > +++ b/sysdeps/x86/tst-get-cpu-features.c > @@ -209,6 +209,7 @@ do_test (void) > CHECK_CPU_FEATURE_PRESENT (FZLRM); > CHECK_CPU_FEATURE_PRESENT (FSRS); > CHECK_CPU_FEATURE_PRESENT (FSRCS); > + CHECK_CPU_FEATURE_PRESENT (WRMSRNS); > CHECK_CPU_FEATURE_PRESENT (HRESET); > CHECK_CPU_FEATURE_PRESENT (LAM); > CHECK_CPU_FEATURE_PRESENT (AESKLE); > -- > 2.39.2 > LGTM Reviewed-by: Noah Goldstein