RE: [PATCH v5 -next 1/2]efivars: Disable external interrupt while holding efivars->lock

2013-02-11 Thread Seiji Aguchi
Matt, > Acked-by: Matt Fleming > > Tony, are you picking this up? Thank you for reviewing and acking my patchset. Tony, This patchset can't be applied to a latest next tree due to following commits. I will post v6 shortly to fit the latest next tree. Then, please apply it. efi: Make 'efi_ena

Re: [PATCH v5 -next 1/2]efivars: Disable external interrupt while holding efivars->lock

2013-02-09 Thread Matt Fleming
On Thu, 2013-01-24 at 00:41 +, Seiji Aguchi wrote: > [Problem] > There is a scenario which efi_pstore fails to log messages in a panic case. > > - CPUA holds an efi_var->lock in either efivarfs parts >or efi_pstore with interrupt enabled. > - CPUB panics and sends IPI to CPUA in smp_sen

[PATCH v5 -next 1/2]efivars: Disable external interrupt while holding efivars->lock

2013-01-23 Thread Seiji Aguchi
[Problem] There is a scenario which efi_pstore fails to log messages in a panic case. - CPUA holds an efi_var->lock in either efivarfs parts or efi_pstore with interrupt enabled. - CPUB panics and sends IPI to CPUA in smp_send_stop(). - CPUA stops with holding the lock. - CPUB kicks efi_ps