Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 96541531 authored by Michael Neuling's avatar Michael Neuling Committed by Michael Ellerman
Browse files

powerpc: Disable DAWR in the base POWER9 CPU features 



Using the DAWR on POWER9 can cause xstops, hence we need to disable
it.

Signed-off-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 622aa35e

arch/powerpc/include/asm/cputable.h

+2 −3
Original line number Diff line number Diff line
@@ -464,9 +464,8 @@ static inline void cpu_feature_keys_init(void) { } 
	    CPU_FTR_DSCR | CPU_FTR_SAO  | \

	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \

	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \

	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \

	    CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | \

	    CPU_FTR_PKEY)

	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \

	    CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY)

#define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \

			     (~CPU_FTR_SAO))

#define CPU_FTRS_POWER9_DD2_0 CPU_FTRS_POWER9