On Mon, 3 May 2021 23:02:39 +1000, Nicholas Piggin wrote:
This series adds a few missing bits added to recent pseries
H_GET_CPU_CHARACTERISTICS and implements them, also removes
a restriction from powernv for some of the flushes.
This is tested mianly in qemu where I just submitted a patch
that adds support for these bits (not upstream yet).
[...]
Patches 1-3 applied to powerpc/next.
[1/4] powerpc/pseries: Get entry and uaccess flush required bits from H_GET_CPU_CHARACTERISTICS
https://git.kernel.org/powerpc/c/65c7d070850e109a8a75a431f5a7f6eb4c007b77
[2/4] powerpc/security: Add a security feature for STF barrier
https://git.kernel.org/powerpc/c/84ed26fd00c514da57cd46aa3728a48f1f9b35cd
[3/4] powerpc/pesries: Get STF barrier requirement from H_GET_CPU_CHARACTERISTICS
https://git.kernel.org/powerpc/c/393eff5a7b357a23db3e786e24b5ba8762cc6820
cheers