From nobody Mon Jul 17 16:49:38 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4R4Sjb1KGDz4n4Qc; Mon, 17 Jul 2023 16:49:39 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4R4Sjb0Zj6z4JGl; Mon, 17 Jul 2023 16:49:39 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1689612579; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=n7JvITqCZrBJ9Ox0lPd5bWRVYJ1Fai6/ial3jkC5iIM=; b=hEsJe0nTqznK/Uw7MqYT8diuGCgLEJ/PPJy9Q0We9c1Pd5SbG3cdibjMpRbpgTOgpuXJfm fp2tD/a0i7ORWBJE8GBpQdEcYnEuKynkc2Byut2zPqYMXpNMHgBrYlJMsDjCh7534XABEg MTuqdD+rjCBQYAGqgDKU3SlwPE5mKxBny9oh3WJ2c8h/Zl7HwsbfSI2XxsQgsHitjQtNVG IqxDo/tS3xNqO+o0meZsRjkkhKSmdTS+LaHIDp1TTZGiZiVinKbnw5suFcPBLDz3gWZE98 eb1/QIOhu4vxx/MFIXDVGJfxXG+oZcfgzHz8FTFUzHVHds/khauvY6W9ES6e3g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1689612579; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=n7JvITqCZrBJ9Ox0lPd5bWRVYJ1Fai6/ial3jkC5iIM=; b=Dhgnc3JzWE7vZ0klkR+XcNZQ6lNWM2R7Da5hTxwnyCswcT0zZawqgJRqtnlFEsjWyf7p7e qnUKZ9xn+JtPRLI7gmsNwQ8D68d3GhpMrWtWAGAztZx88QkeSYp5YjHNiV8m17UDAeACmZ 24nTZtL+wEaQ0/ZTq+cjZt2s3aRlC93qgn279WNNYvU3WuNi00j765f+78aBbEA3LvU1ef AQYoJ687BresQwIpDrap7zjBqerQWeHqVKHupC4ZmAjh2YneEnyH7gMDZwXKYw/1PWoebc TWld+W7OSzchnDAlPOoj6SaBsDtBHR7L+vlqYzNz8C6mCzellSyosxikcVit4w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1689612579; a=rsa-sha256; cv=none; b=X7+iOBYWRfQ5NFAQVsGv8kbtEvIMNQyYwOPJgnsG/ej3n5QIOftrKy4etBx/r2Msylnu7y DniKs916YmO3o9IngRGNYmBHQ8WK9D8iz7OLxntjIrNIQZGTLDLSxK2AbWso83P/bsY60N UWLtnmq6NPZ+q+IPIKDPHG1YSNHd0CwugM8Z7OIfiMAA2dhLl7SJ8osOC0t6IK3oKdI5Q0 0Zm0ZSXR/svyr04gxLREN/DH47nDrpetzM8Pvuq3zYFNib6GeMGEGR82Oe67DJ2XJYjGni NOyD76tzOeXEgZD/q5pU/i7DkmcV5e2xRHXHw52IQK9nAbGoJhRjoANZInGOwA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4R4SjZ6mWczWlX; Mon, 17 Jul 2023 16:49:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 36HGncQx081360; Mon, 17 Jul 2023 16:49:38 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 36HGncqK081359; Mon, 17 Jul 2023 16:49:38 GMT (envelope-from git) Date: Mon, 17 Jul 2023 16:49:38 GMT Message-Id: <202307171649.36HGncqK081359@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mitchell Horne Subject: git: 9ebf3b43bb64 - stable/13 - hwpmc(4): remove paragraph about Pentium Pro handling List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mhorne X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 9ebf3b43bb649fc079f4898ba8bc8c0b4503a078 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=9ebf3b43bb649fc079f4898ba8bc8c0b4503a078 commit 9ebf3b43bb649fc079f4898ba8bc8c0b4503a078 Author: Mitchell Horne AuthorDate: 2023-06-16 16:34:02 +0000 Commit: Mitchell Horne CommitDate: 2023-07-17 16:45:38 +0000 hwpmc(4): remove paragraph about Pentium Pro handling Support for these CPUs was removed in 2018 (e92a1350b50e). Reviewed by: jkoshy, emaste MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D40541 (cherry picked from commit 0a0c599ab9a578dd175e626144eacdbb4c5ac6bc) --- share/man/man4/hwpmc.4 | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/share/man/man4/hwpmc.4 b/share/man/man4/hwpmc.4 index 5b3353ff935d..08edb6a16faf 100644 --- a/share/man/man4/hwpmc.4 +++ b/share/man/man4/hwpmc.4 @@ -480,28 +480,6 @@ PMCs, then the driver will reject allocation requests for process-private PMCs that request counting of hardware events that cannot be counted separately for each logical CPU. -.Ss Intel Pentium-Pro Handling -Writing a value to the PMC MSRs found in Intel Pentium-Pro style PMCs -(found in -.Tn "Intel Pentium Pro" , -.Tn "Pentium II" , -.Tn "Pentium III" , -.Tn "Pentium M" -and -.Tn "Celeron" -processors) will replicate bit 31 of the -value being written into the upper 8 bits of the MSR, -bringing down the usable width of these PMCs to 31 bits. -For process-virtual PMCs, the -.Nm -driver implements a workaround in software and makes the corrected 64 -bit count available via the -.Dv PMC_OP_RW -operation. -Processes that intend to use RDPMC instructions directly or -that intend to write values larger than 2^31 into these PMCs with -.Dv PMC_OP_RW -need to be aware of this hardware limitation. .Sh DIAGNOSTICS .Bl -diag .It "hwpmc: [class/npmc/capabilities]..."