From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by sourceware.org (Postfix) with ESMTPS id 4360D3858C2C for ; Wed, 5 Apr 2023 16:21:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 4360D3858C2C 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-pj1-x102d.google.com with SMTP id x15so34499849pjk.2 for ; Wed, 05 Apr 2023 09:21:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1680711709; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=27sIVUfDAALA3o5/mYWoX2p2Tc1rob4A48vrM0QGxSo=; b=Nw7ApOE79lApGW5HVHCue6qtQfJioXRNIxxNNVByxG2QNeQ7v/8DP0SK9ncnst3XBs C9+Vpzq05T/YUonjvTkes4fSbnC+/QDTtoAN0qRwHI/m2o1V99Z/zwbTkLI3jbztA4kd c1OEda7sBEdSHd3zhZJ9Tfs1ZqvX+pKYMHhyfFa17S9NI0ewk1QJw/llkDlgNGq0vOnR nCxAhr1N3i5HvIX+TF8qlenpglnc84PO5jrRw93KIxSttTU7/uMtZIJGIqweh8pNEwBd udZiH2jlaE2LgoUZeQoYzmNVmBJ1onCwOYKvCisOPcaF+HOegqPsINwDjX6hB8vETAI3 dCmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680711709; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=27sIVUfDAALA3o5/mYWoX2p2Tc1rob4A48vrM0QGxSo=; b=mLjm6MmcrWTs3Bbe4Q+mW+XwYid/rYCzlXjaeehq94FvzueIb36fCtvbfVRAydVGfK Ms5r/QNj2SXYgqp4LHazZBlnd2hL5pPaXtqwIWwabMWVaGvAjgAs0c6aiFp84fGrB7pI S7wAbbhNn99+Yqp7GSkPHktTkqg41X75WpEYyZDB/4SKpJBmwudWrRt3MXXUwrRp2WP0 tkffFCtfrviGEw/m3af32UZZgxyiSYzWk8pPF7PdLRVlI2PPkBaSd6/gas0Fx6dpnkTG 3y0JVpla1Q69jbuC/MTnnRcf68XcUD1ny/JHOKBncqM1n+DFcnzjNdhnc+NsOUFBMjQp p1gg== X-Gm-Message-State: AAQBX9f1cdpTsfLmOiDce5/Vben3JqdQA8wHC8U6Pt6P0WPK84vuKGdH EJJxTtXLF5lRVkDfmVnJtgK82vsTWkU= X-Google-Smtp-Source: AKy350bAO17YwJWyfVIKQvqsGJgVfoe2LmxfXrC5PfNnKdsQW/Jv3jk2XT/cOj/yKk/z3qMrA2YBgA== X-Received: by 2002:a17:90a:194c:b0:23d:1b82:7236 with SMTP id 12-20020a17090a194c00b0023d1b827236mr7624499pjh.16.1680711708973; Wed, 05 Apr 2023 09:21:48 -0700 (PDT) Received: from gnu-cfl-3.localdomain ([172.59.161.240]) by smtp.gmail.com with ESMTPSA id p19-20020a17090a429300b00233d6547000sm1578144pjg.54.2023.04.05.09.21.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 09:21:48 -0700 (PDT) Received: from gnu-cfl-3.. (localhost [IPv6:::1]) by gnu-cfl-3.localdomain (Postfix) with ESMTP id CB0F2740126 for ; Wed, 5 Apr 2023 09:21:44 -0700 (PDT) From: "H.J. Lu" To: libc-alpha@sourceware.org Subject: [PATCH 09/19] : Add LASS support Date: Wed, 5 Apr 2023 09:21:34 -0700 Message-Id: <20230405162144.984598-10-hjl.tools@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230405162144.984598-1-hjl.tools@gmail.com> References: <20230405162144.984598-1-hjl.tools@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3025.4 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: Add Linear Address Space Separation (LASS) 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 a6e33b1572..be04194c88 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -406,6 +406,9 @@ the indirect branch predictor barrier (IBPB). @item @code{LAM} -- Linear Address Masking. +@item +@code{LASS} -- Linear Address Space Separation. + @item @code{LBR} -- Architectural LBR. diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 6fc3b69651..c9ee8fcf90 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -291,6 +291,7 @@ enum x86_cpu_RAO_INT = x86_cpu_index_7_ecx_1_eax + 3, x86_cpu_AVX_VNNI = x86_cpu_index_7_ecx_1_eax + 4, x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5, + x86_cpu_LASS = x86_cpu_index_7_ecx_1_eax + 6, x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10, x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11, x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12, diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 6a3f29db98..9da561a559 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -203,6 +203,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (RAO_INT); CHECK_CPU_FEATURE_PRESENT (AVX_VNNI); CHECK_CPU_FEATURE_PRESENT (AVX512_BF16); + CHECK_CPU_FEATURE_PRESENT (LASS); CHECK_CPU_FEATURE_PRESENT (FZLRM); CHECK_CPU_FEATURE_PRESENT (FSRS); CHECK_CPU_FEATURE_PRESENT (FSRCS); -- 2.39.2