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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48c724bf10bsi10856669f8f.492.2026.10.08.06.39.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 06:39:11 -0700 (PDT) Received-SPF: pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=b0OA2oSJ; spf=pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=khorenko@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-Id:Subject :From; bh=CNs6slHM30utbQPoK3GsQ486bu5g2PesaD6WrYjtj14=; b=b0OA2oSJzmT3fnNAi7u DgAgBYmXONwbJ7sHhvHWn8x////0LateWhHOoi7wic8U3g6oQxW+1pMzFFX8+AtffgUWV1LoZ8c/F 8/aX8Vkjc5BxTPLHsqI2F4Ve5if7czj0uo2wgJ/VKww5SRcZ3i5GU9fCmhddCBjTxo908uuR+P0iz zGhEyD0FXz8CYcnw6tzKufkU7TujK9pW4bWJt0cBSItVrLOk3S05gqzgg2S2GUg+Sa1+Y4quzypM3 e+LqTrhTWCUt2eca50TvGczlrYDp0n+743TCRVFqBq3IzApQXmVwzo61Yc575vN0N+qg8vLJr/Ld+ SknO2y3oTcMl89Q==; Received: from ch-demo-asa.virtuozzo.com ([130.117.225.8] helo=f0.sw.ru) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xEoHi-00Eh3J-1Y; Thu, 08 Oct 2026 15:39:08 +0200 From: Konstantin Khorenko To: Pavel Tikhomirov , Vasileios Almpanis , Konstantin Khorenko In-Reply-To: <20261007-b4-prep-khorenko-vstor-148656-cpuid-v6-0-a8eb906e69b8@virtuozzo.com> References: <20261007-b4-prep-khorenko-vstor-148656-cpuid-v6-0-a8eb906e69b8@virtuozzo.com> Message-Id: <179146674589.1215016.16196011593577300767.b4-ty@b4> Date: Thu, 08 Oct 2026 15:39:05 +0200 MIME-Version: 1.0 X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1518; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=HL8DyC3U3PLEWN9T60hgb7PybWb9Kzn8HswNAoRdrrc=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBqx5z9MSocKoJ7VoK68/Y9evFkxmUugbkL69Sz/ UT6vdH2eoSJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCasec/QAKCRBRlgpH+WFc KtG4D/9IBBocvUOOA/Fj6zEdF0nryKfOcv4L3BGU8Oc9kcxV0NM/AIsqo316IJAM3zZJD0I6Ii8 PF/zBCDQDPtP8r9u7xoxL8/H2pJuNdd1HUk7LWhok+vYdee/ZQ9CAhp9K4Ntq9hGQoXMapfqzSv NxYs3/J1BY8VsZKqMSOc/Z9xiCiQ509Mz4qRkdBK9grLDAWepbdTqxNpQH57QkJlPaX1TOhacoV egqv9O5B/YHz55+YUV3Id3x9b3sOs22PlziQKkVYRaaDIpP29H3G61/I791JZXWPbxOtUIvR40C HccOETcdKe+NLiDsIjox0rSkwQfYHH8wJlk59wp2j+yGmI/rnVRrlT+pUcWos3hIMQ7rHUrvesD KsA0baALPezvyTLItr/6ix/16XlMfwZGzjB5F3N+daLD6U9zn67/u40fZx45QSlPSo1y+4lBwD6 47bNVwwwWwUc4JcCdbEy6TjmNLBBRW9dCN+DgH2BKdv/6KVJdGNCjCU8tJd60FNuYLYWgTDOVSb 0ohyVmB2rLZMPEvZX2oR4w646ns/FJN09VYscybJmgmHnxPrNeOMOTnKC76eueQjnWJEGTrcfV9 ZO/Hx62XKW7i5imr1HUEvYfgArwM/8wYhFaAkkUgi1A4KuUoUg9Kuafeh8k3gQwAL2gh9U1A9Fq LVDfLj/qRZ+QTnQ== X-Developer-Key: i=khorenko@virtuozzo.com; a=openpgp; fpr=560F6DC83DC5D3D063BD082C51960A47F9615C2A X-OZ-Fwd: true Cc: devel@openvz.org Subject: Re: [Devel] [PATCH hci-8.1 v6 0/5] x86/ve: CPUID override follow-ups: arm at once, prefixes, selftests X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On Wed, 07 Oct 2026 13:57:01 +0200, Konstantin Khorenko wrote: > x86/ve: CPUID override follow-ups: arm at once, prefixes, selftests > > VSTOR-148656, every Container start dying with SIGSEGV once > /proc/vz/cpuid_override is non-empty, is fixed in 22.8 by 07338fbae5a3 > ("x86/traps: emulate CPUID faults for user tasks in > exc_general_protection()"). Working on it turned up two more defects in > the same feature, and the fact that nothing had ever exercised it. This > series takes care of those. None of them is a 22.x regression, all have > been there since the vz9 port. > > [...] Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.9.vz10, thanks! [1/5] selftests/ve: check CPUID override emulation for VE tasks https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/9d42a52a993c [2/5] x86/ve: enable CPUID faulting at once when the current task enters a VE https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f2176fcad7e5 [3/5] selftests/ve: check CPUID override right after entering a VE https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f5881322c62d [4/5] x86/traps: decode the faulting CPUID with the instruction decoder https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/83f8ff040d0e [5/5] selftests/ve: check CPUID override emulation for a prefixed CPUID https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/c22db725e448 -- Konstantin Khorenko _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel