[Skiboot] [PATCH] core/cpufeatures: Fix setting DARN and SCV HWCAP feature bits

Stewart Smith 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...

Stewart Smith
OPAL Architect, IBM.

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