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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49977baac4csm34960395e9.0.2026.08.11.02.36.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Aug 2026 02:36:59 -0700 (PDT) Message-ID: Date: Tue, 11 Aug 2026 11:36:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/4] hw/nmi: Safer vCPU delivery Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Corey Minyard , =?UTF-8?Q?Marc-Andr=C3=A9_Lureau?= , qemu-s390x@nongnu.org, Markus Armbruster References: <20260810213723.58467-1-philmd@oss.qualcomm.com> <81799d60-4409-4286-8795-192e1b8ea4fa@oss.qualcomm.com> In-Reply-To: <81799d60-4409-4286-8795-192e1b8ea4fa@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: S42U1mWeY6hd-vp4LzkJdcaH4NfFwaNO X-Proofpoint-Spam-Info: AW1haW4tMjYwODExMDA3OSBTYWx0ZWRfX04nfqACIN2SM WEnADBcjT9Rm/RQC2Ak9qvI9xtA6jGrY148rxnk1KC6WNX3Vk8wEjblWvPGcwTVhG14nrHalHJv woew8yzXU42EJapqdtZm13MtAzivpUg= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODExMDA3OSBTYWx0ZWRfX8kikvvvjbYUS a+PYjHnL8PcKoT5nhlHBX7t8Bf+46lLy3cnyPTE8jUsnDCYkSQnMbO0DQH3qEcxr9CF7Sq5g62H HKWJ1OSy662uhRh95fITQBtiuBDtKGNTE51pF4tM0LH+XhC8a2XPUqEPOT0Kev5PMYfzw7/A29E UenEI0cBjdN4em5fgTBCSjxAapSeYr2SwvkS7ffIHVkC383K1Isi81hjEj/3ojlC+xke+dL4Tsd 82/9BTZ84XFFa/6FtXQ8T37d5e/z0oS4KVVMJdFb+biCQ57v2mtYfV9AOkgWb74N7oML4tqgeNb NE4vTb5s9JdxnL7w4LUbwKageHJcBzvQibdJmrSOUxBd2x5/PXtAT5PbsDdqbK91N6NjsMGHrni TRY81+CIqfHjyjBjx+zCEOCwOc9PQdicpxI0X6McXZYOk15tbCx7YDR8W4xRYDWsaud1O+Ynm5M JyGW0JUz/Vu+xS5FORA== X-Proofpoint-GUID: S42U1mWeY6hd-vp4LzkJdcaH4NfFwaNO X-Authority-Analysis: v=2.4 cv=Zd4t8MVA c=1 sm=1 tr=0 ts=6a7aed3d cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=4s3hRJSeHn4rkQlkrse1kQ==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=M51BFTxLslgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=20KFwNOVAAAA:8 a=1QnTeQ4-yZ6FDZtMlo0A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-10_06,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 spamscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608110079 Received-SPF: pass client-ip=205.220.180.131; envelope-from=philmd@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 11/8/26 10:50, Philippe Mathieu-Daudé wrote: > On 11/8/26 10:44, Philippe Mathieu-Daudé wrote: >> On 10/8/26 23:37, Philippe Mathieu-Daudé wrote: >>> Hi Marc-André, >>> >>> I don't remember what I suggested particularly for >>> 20260626-qemu-no-hmp-v2-7-8af31bc54c61@redhat.com, >>> but this series is what I had in mind back then. >>> >>> If you find it worthy, please consider including it >>> in your "Make HMP optional" work. >> >> Not well explained, this series disentangle HMP from >> the generic NMI class. Actually previous version is better: https://lore.kernel.org/qemu-devel/20240220150833.13674-1-philmd@linaro.org/ > > Oh no, one patch is missing! > >> >>> >>> Regard, >>> >>> Phil. >>> >>> Philippe Mathieu-Daudé (4): >>>    hw/nmi: Allow delivering to first available vCPU (not by index) >>>    hw/nmi: Introduce nmi_cpu_handler() for vcpu-specific delivery >>>    hw/s390x: Deliver per-vcpu NMI using nmi_cpu_handler >>>    hw/nmi: Remove unused @cpu_index and @errp arguments >>> >>>   include/hw/core/nmi.h      | 10 +++++++++- >>>   hw/core/nmi.c              | 25 ++++++++++++++++++++++--- >>>   hw/hppa/machine.c          |  4 ++-- >>>   hw/i386/x86.c              |  5 ++--- >>>   hw/intc/m68k_irqc.c        |  4 ++-- >>>   hw/ipmi/ipmi.c             |  2 +- >>>   hw/m68k/q800-glue.c        |  4 ++-- >>>   hw/misc/macio/gpio.c       |  4 ++-- >>>   hw/ppc/pnv.c               |  7 +++---- >>>   hw/ppc/spapr.c             |  4 ++-- >>>   hw/s390x/s390-virtio-ccw.c |  6 ++---- >>>   hw/watchdog/watchdog.c     |  2 +- >>>   12 files changed, 50 insertions(+), 27 deletions(-) >>> >> >> > >