From owner-freebsd-net@freebsd.org Sat Mar 23 22:44:57 2019 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C852C155F31F for ; Sat, 23 Mar 2019 22:44:56 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 608C58612D for ; Sat, 23 Mar 2019 22:44:56 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 248BC155F31D; Sat, 23 Mar 2019 22:44:56 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 12346155F31C for ; Sat, 23 Mar 2019 22:44:56 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8DE8F86129 for ; Sat, 23 Mar 2019 22:44:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id D1D405457 for ; Sat, 23 Mar 2019 22:44:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x2NMis1i094920 for ; Sat, 23 Mar 2019 22:44:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x2NMisCN094919 for net@FreeBSD.org; Sat, 23 Mar 2019 22:44:54 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 165622] [ndis][panic][patch] Unregistered use of FPU in kernel on amd64 Date: Sat, 23 Mar 2019 22:44:53 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: crash, needs-qa, patch X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@freebsd.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: gonzo@FreeBSD.org X-Bugzilla-Flags: mfc-stable10? mfc-stable11? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Mar 2019 22:44:57 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D165622 --- Comment #13 from commit-hook@freebsd.org --- A commit references this bug: Author: gonzo Date: Sat Mar 23 22:44:12 UTC 2019 New revision: 345459 URL: https://svnweb.freebsd.org/changeset/base/345459 Log: MFC r343298: [ndis] Fix unregistered use of FPU by NDIS in kernel on amd64 amd64 miniport drivers are allowed to use FPU which triggers "Unregistered use of FPU in kernel" panic. Wrap all variants of MSCALL with fpu_kern_enter/fpu_kern_leave. To reduce amount of allocations/deallocations done via fpu_kern_alloc_ctx/fpu_kern_free_ctx maintain cache of fpu_kern_ctx eleme= nts. Based on the patch by Paul B Mahol PR: 165622 Submitted by: Vlad Movchan Changes: _U stable/12/ stable/12/sys/compat/ndis/kern_windrv.c stable/12/sys/compat/ndis/pe_var.h --=20 You are receiving this mail because: You are on the CC list for the bug.=