Marc Zyngier cbdf8a189a arm64: Force SSBS on context switch ... On a CPU that doesn't support SSBS, PSTATE[12] is RES0. In a system where only some of the CPUs implement SSBS, we end-up losing track of the SSBS bit across task migration. To address this issue, let's force the SSBS bit on context switch. Fixes: 8f04e8e6e2 ("arm64: ssbd: Add support for PSTATE.SSBS rather than trapping to EL3") Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> [will: inverted logic and added comments] Signed-off-by: Will Deacon <will@kernel.org>		2019-07-22 15:24:16 +01:00
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asm	arm64: Force SSBS on context switch	2019-07-22 15:24:16 +01:00
uapi/asm	ARM:	2019-07-12 15:35:14 -07:00