[Skiboot] [PATCH] core/cpufeatures: Fix setting DARN and SCV HWCAP feature bits
stewart at linux.ibm.com
Thu Apr 5 18:51:47 AEST 2018
Nicholas Piggin <npiggin at gmail.com> writes:
> DARN and SCV has been assigned AT_HWCAP2 (32-63) bits:
> #define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */
> #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */
> A cpufeatures-aware OS will not advertise these to userspace without
> this patch.
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
merged to master as of e0c7c89b748312244c1b034b8b5279131add20bc
and as discussed on slack, to 5.10.x as of ecadbe689b689216553c12fa91b3b9b0296653b1
We really neeed some tests for these kind of things...
OPAL Architect, IBM.
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