On Tue, Feb 11, 2025 at 12:34:41PM +0100, Jan Beulich wrote:
> On 11.02.2025 12:02, Roger Pau Monne wrote:
> > --- a/xen/arch/x86/crash.c
> > +++ b/xen/arch/x86/crash.c
> > @@ -175,6 +175,13 @@ static void nmi_shootdown_cpus(void)
> > */
> > x2apic_enabled = (current_local_apic_m
On 11.02.2025 12:02, Roger Pau Monne wrote:
> --- a/xen/arch/x86/crash.c
> +++ b/xen/arch/x86/crash.c
> @@ -175,6 +175,13 @@ static void nmi_shootdown_cpus(void)
> */
> x2apic_enabled = (current_local_apic_mode() == APIC_MODE_X2APIC);
>
> +if ( !pcidevs_locked() )
> +
Attempt to disable MSI(-X) capabilities on all PCI devices know by Xen at
shutdown. Doing such disabling should facilitate kexec chained kernel from
booting more reliably, as device MSI(-X) interrupt generation should be
quiesced. Only attempt to disable MSI(-X) on all devices in the crash
contex
