From: Thomas Gleixner <tglx@linutronix.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Ashish Kalra <Ashish.Kalra@amd.com>
Cc: bhelgaas@google.com, jgross@suse.com, roger.pau@citrix.com,
pstanner@redhat.com, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev
Subject: Re: [PATCH RESEND v2] PCI/MSI: Fix x86 VMs crash due to dereferencing NULL MSI domain
Date: Thu, 27 Mar 2025 22:29:05 +0100 [thread overview]
Message-ID: <875xjuxivy.ffs@tglx> (raw)
In-Reply-To: <Z-WPDm9PcPLt9Hu6@smile.fi.intel.com>
On Thu, Mar 27 2025 at 19:46, Andy Shevchenko wrote:
> On Thu, Mar 27, 2025 at 04:29:46PM +0000, Ashish Kalra wrote:
>> From: Ashish Kalra <ashish.kalra@amd.com>
>>
>> Moving pci_msi_ignore_mask to per MSI domain flag is causing a panic
>> with SEV-SNP VMs under KVM while booting and initializing virtio-scsi
>> driver as below :
>
> Isn't it already fixed (in current Linus' master branch?
Yes it is.
3ece3e8e5976 ("PCI/MSI: Handle the NOMASK flag correctly for all PCI/MSI backends")
And it is fixed so that it takes _all_ potential PCI/MSI backends into
account and not only papers over the problem at hand as pointed out in
the thread leading up to the above commit.
Thanks,
tglx
prev parent reply other threads:[~2025-03-27 21:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-27 16:29 [PATCH RESEND v2] PCI/MSI: Fix x86 VMs crash due to dereferencing NULL MSI domain Ashish Kalra
2025-03-27 17:46 ` Andy Shevchenko
2025-03-27 21:29 ` Thomas Gleixner [this message]
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