Re: [PATCH v2 1/2] arm64: revamp unwind_frame for interrupt stack

2015-10-21 Thread Jungseok Lee
On Oct 21, 2015, at 9:14 PM, Jungseok Lee wrote: Whoops! > [Only Akashi and James] > > On Oct 21, 2015, at 3:38 PM, AKASHI Takahiro wrote: > > Hi Akashi and James, > > Am I the only person who have experienced kernel panic with this series? > I have observed NULL pointer kernel panic with the

Re: [PATCH v2 1/2] arm64: revamp unwind_frame for interrupt stack

2015-10-21 Thread Jungseok Lee
[Only Akashi and James] On Oct 21, 2015, at 3:38 PM, AKASHI Takahiro wrote: Hi Akashi and James, Am I the only person who have experienced kernel panic with this series? I have observed NULL pointer kernel panic with the following two ways. - $ sudo echo c > /proc/sysrq-trigger - perf record

Re: [PATCH v2 1/2] arm64: revamp unwind_frame for interrupt stack

2015-10-20 Thread AKASHI Takahiro
On 10/20/2015 10:26 PM, Jungseok Lee wrote: On Oct 20, 2015, at 5:00 PM, AKASHI Takahiro wrote: This patch allows unwind_frame() to traverse from interrupt stack to process stack correctly by having a dummy stack frame for irq exception entry created at its prologue. Signed-off-by: AKASHI Takah

Re: [PATCH v2 1/2] arm64: revamp unwind_frame for interrupt stack

2015-10-20 Thread Jungseok Lee
On Oct 20, 2015, at 5:00 PM, AKASHI Takahiro wrote: > This patch allows unwind_frame() to traverse from interrupt stack > to process stack correctly by having a dummy stack frame for irq > exception entry created at its prologue. > > Signed-off-by: AKASHI Takahiro > --- > arch/arm64/kernel/entry.