Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-31 Thread Michael Ellerman
On Mon, 23 Aug 2021 08:24:20 + (UTC), Christophe Leroy wrote: > In those hot functions that are called at every interrupt, any saved > cycle is worth it. > > interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are > called from three places: > - From entry_32.S > - From

Re: (subset) [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-27 Thread Michael Ellerman
On Mon, 23 Aug 2021 08:24:20 + (UTC), Christophe Leroy wrote: > In those hot functions that are called at every interrupt, any saved > cycle is worth it. > > interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are > called from three places: > - From entry_32.S > - From

Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-25 Thread Michael Ellerman
Christophe Leroy writes: > Le 25/08/2021 à 07:27, Michael Ellerman a écrit : >> Christophe Leroy writes: >>> In those hot functions that are called at every interrupt, any saved >>> cycle is worth it. >>> >>> interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are >>> called from

Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-24 Thread Christophe Leroy
Le 25/08/2021 à 07:27, Michael Ellerman a écrit : Christophe Leroy writes: In those hot functions that are called at every interrupt, any saved cycle is worth it. interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are called from three places: - From entry_32.S - From

Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-24 Thread Michael Ellerman
Christophe Leroy writes: > In those hot functions that are called at every interrupt, any saved > cycle is worth it. > > interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are > called from three places: > - From entry_32.S > - From interrupt_64.S > - From

[PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

2021-08-23 Thread Christophe Leroy
In those hot functions that are called at every interrupt, any saved cycle is worth it. interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are called from three places: - From entry_32.S - From interrupt_64.S - From interrupt_exit_user_restart() and interrupt_exit_kernel_restart()