Re: [PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings

Michal Suchánek writes: > On Tue, 01 May 2018 21:11:06 +1000 > Michael Ellerman wrote: >> Michal Suchánek writes: >> > On Tue, 24 Apr 2018 14:15:57 +1000 >> > Michael Ellerman wrote: >> > >> >> From: Michal Suchanek >> >> >> >> Check what firmware told us and enable/disable the barrier_nosp

Re: [PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings

On Tue, 01 May 2018 21:11:06 +1000 Michael Ellerman wrote: > Michal Suchánek writes: > > Hello, > > > > On Tue, 24 Apr 2018 14:15:57 +1000 > > Michael Ellerman wrote: > > > >> From: Michal Suchanek > >> > >> Check what firmware told us and enable/disable the barrier_nospec > >> as appropria

Re: [PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings

Michal Suchánek writes: > Hello, > > On Tue, 24 Apr 2018 14:15:57 +1000 > Michael Ellerman wrote: > >> From: Michal Suchanek >> >> Check what firmware told us and enable/disable the barrier_nospec as >> appropriate. >> >> We err on the side of enabling the barrier, as it's no-op on older >> sy

Re: [PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings

Hello, On Tue, 24 Apr 2018 14:15:57 +1000 Michael Ellerman wrote: > From: Michal Suchanek > > Check what firmware told us and enable/disable the barrier_nospec as > appropriate. > > We err on the side of enabling the barrier, as it's no-op on older > systems, see the comment for more detail.

[PATCH 4/6] powerpc/64s: Enable barrier_nospec based on firmware settings

From: Michal Suchanek Check what firmware told us and enable/disable the barrier_nospec as appropriate. We err on the side of enabling the barrier, as it's no-op on older systems, see the comment for more detail. Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/setup.h | 1