Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-29 Thread Jan Beulich
On 21.03.2025 10:48, Mykola Kvach wrote: > Hi, > > On Thu, Mar 13, 2025 at 6:20 PM Jan Beulich wrote: >> >> On 13.03.2025 17:05, Jürgen Groß wrote: >>> On 13.03.25 16:54, Jan Beulich wrote: On 11.03.2025 21:59, Julien Grall wrote: > On 05/03/2025 09:11, Mykola Kvach wrote: >> Invocat

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-21 Thread Mykola Kvach
Hi, On Thu, Mar 13, 2025 at 6:20 PM Jan Beulich wrote: > > On 13.03.2025 17:05, Jürgen Groß wrote: > > On 13.03.25 16:54, Jan Beulich wrote: > >> On 11.03.2025 21:59, Julien Grall wrote: > >>> On 05/03/2025 09:11, Mykola Kvach wrote: > Invocation of the CPU_UP_PREPARE notification > on

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-13 Thread Jan Beulich
On 11.03.2025 21:59, Julien Grall wrote: > On 05/03/2025 09:11, Mykola Kvach wrote: >> Invocation of the CPU_UP_PREPARE notification >> on ARM64 during resume causes a crash: >> >> (XEN) [ 315.807606] Error bringing CPU1 up: -16 >> (XEN) [ 315.811926] Xen BUG at common/cpu.c:258 >> [...] >> (XEN)

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-13 Thread Jan Beulich
On 13.03.2025 17:05, Jürgen Groß wrote: > On 13.03.25 16:54, Jan Beulich wrote: >> On 11.03.2025 21:59, Julien Grall wrote: >>> On 05/03/2025 09:11, Mykola Kvach wrote: Invocation of the CPU_UP_PREPARE notification on ARM64 during resume causes a crash: (XEN) [ 315.807606] Erro

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-13 Thread Jürgen Groß
On 13.03.25 16:54, Jan Beulich wrote: On 11.03.2025 21:59, Julien Grall wrote: On 05/03/2025 09:11, Mykola Kvach wrote: Invocation of the CPU_UP_PREPARE notification on ARM64 during resume causes a crash: (XEN) [ 315.807606] Error bringing CPU1 up: -16 (XEN) [ 315.811926] Xen BUG at common/c

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-13 Thread Jan Beulich
On 05.03.2025 10:11, Mykola Kvach wrote: > --- a/xen/common/percpu.c > +++ b/xen/common/percpu.c > @@ -74,7 +74,8 @@ static int cf_check cpu_percpu_callback( > switch ( action ) > { > case CPU_UP_PREPARE: > -rc = init_percpu_area(cpu); > +if ( system_state != SYS_STAT

Re: [PATCH 05/16] xen/percpu: don't initialize percpu on resume

2025-03-11 Thread Julien Grall
(+ Juergen) Hi Mykola, On 05/03/2025 09:11, Mykola Kvach wrote: Invocation of the CPU_UP_PREPARE notification on ARM64 during resume causes a crash: (XEN) [ 315.807606] Error bringing CPU1 up: -16 (XEN) [ 315.811926] Xen BUG at common/cpu.c:258 [...] (XEN) [ 316.142765] Xen call trace: (XEN