On Fri, Dec 15, 2017 at 12:32 AM, Nicholas Piggin wrote:
> On Thu, 14 Dec 2017 23:16:26 +1100
> Balbir Singh wrote:
>
>> On Thu, Dec 14, 2017 at 12:51 PM, Nicholas Piggin wrote:
>
>
>> >> I can't call smp_send_nmi_ipi due to the nmi_ipi_busy_count and
>> >> I'm worried about calling a stale nmi_
On Thu, 14 Dec 2017 23:16:26 +1100
Balbir Singh wrote:
> On Thu, Dec 14, 2017 at 12:51 PM, Nicholas Piggin wrote:
> >> I can't call smp_send_nmi_ipi due to the nmi_ipi_busy_count and
> >> I'm worried about calling a stale nmi_ipi_function via the
> >> system_reset_exception path, if we are OK
On Thu, Dec 14, 2017 at 12:51 PM, Nicholas Piggin wrote:
> On Thu, 14 Dec 2017 11:12:13 +1100
> Balbir Singh wrote:
>
>> On Wed, 13 Dec 2017 20:51:01 +1000
>> Nicholas Piggin wrote:
>>
>> > This is looking pretty nice now...
>> >
>> > On Wed, 13 Dec 2017 19:08:28 +1100
>> > Balbir Singh wrote:
On Thu, 14 Dec 2017 11:12:13 +1100
Balbir Singh wrote:
> On Wed, 13 Dec 2017 20:51:01 +1000
> Nicholas Piggin wrote:
>
> > This is looking pretty nice now...
> >
> > On Wed, 13 Dec 2017 19:08:28 +1100
> > Balbir Singh wrote:
> >
> > > @@ -543,7 +543,25 @@ void smp_send_debugger_break(void)
On Wed, 13 Dec 2017 20:51:01 +1000
Nicholas Piggin wrote:
> This is looking pretty nice now...
>
> On Wed, 13 Dec 2017 19:08:28 +1100
> Balbir Singh wrote:
>
> > @@ -543,7 +543,25 @@ void smp_send_debugger_break(void)
> > #ifdef CONFIG_KEXEC_CORE
> > void crash_send_ipi(void (*crash_ipi_call
This is looking pretty nice now...
On Wed, 13 Dec 2017 19:08:28 +1100
Balbir Singh wrote:
> @@ -543,7 +543,25 @@ void smp_send_debugger_break(void)
> #ifdef CONFIG_KEXEC_CORE
> void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
> {
> + int cpu;
> +
> smp_send_nmi_ipi(
Certain HMI's such as malfunction error propagate through
all threads/core on the system. If a thread was offline
prior to us crashing the system and jumping to the kdump
kernel, bad things happen when it wakes up due to an HMI
in the kdump kernel.
There are several possible ways to solve this pro
