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a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1712770183; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=P2JBJACvCVGQrY77erYLB2cWSst06ja15a6M8xosGaw=; b=2tp3er/+dLcFnLG8mk1ZZTArXyFsXUEo5VSJv7Tt/s4CW0t10dwKn3v7RDdbcdZYWm1zUq Z5jBBjGgQW37B3kSgGvpSyp8b4deFjoqW0XgPr/3G0+kjd35NAEfhWa7gVUXJXc9kub8dD bG+rOuCx+DRrxFGfWciJ34B9UIH8uQz+5iQzZ3ehULQD4uujuAhiMyNVezk2FnTdpiJIru fSQJm9KADHF64cYWUQfllM3CFcKYbCqGW5YvBUH/Oi3oplWjwifkDH9gPwwdzoPK5C46bB MDfBnuxBt/y2jz5v7v7V0PO4Rx1nUONAMnFMabE1D//p/htiBwoLBZojb5ApHQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1712770183; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=P2JBJACvCVGQrY77erYLB2cWSst06ja15a6M8xosGaw=; b=ueGVZeT3llAneaalbZgqNVdd1qHRrYR7LJT6s9i72mvIordFFN5ynxXXE1gAxDoo2W4Jmo eucZpsA1aiBf4WBw== To: "Linux regression tracking (Thorsten Leemhuis)" Cc: LKML , xiangfeix.ma@intel.com, Dongli Zhang , Linux kernel regressions list Subject: Re: Call Trace when adding vCPU to guest In-Reply-To: <842fde07-d532-4c9e-8b4e-3447509e040e@leemhuis.info> References: <87bk6h49tq.ffs@tglx> <871q7d46e7.ffs@tglx> <842fde07-d532-4c9e-8b4e-3447509e040e@leemhuis.info> Date: Wed, 10 Apr 2024 19:29:43 +0200 Message-ID: <87msq12kjc.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Apr 10 2024 at 18:25, Linux regression tracking (Thorsten Leemhuis) wrote: > On 10.04.24 16:52, Thomas Gleixner wrote: > I can reproduce as well. But the callstack is different. It finally > reaches at topo_set_cpuids(). That looks about right. > I am not able to reproduce with the below: > > x86/topology: Don't update cpu_possible_map in topo_set_cpuids() > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/urgent&id=a9025cd1c673a8d6eefc79d911075b8b452eba8f Yes, that's the fix for the crash you saw.