Thread (58 messages) 58 messages, 7 authors, 2019-01-28

Re: [PATCH v8 13/26] arm64: daifflags: Include PMR in daifflags restore operations

From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2019-01-18 16:43:37
Also in: lkml

On Tue, Jan 08, 2019 at 02:07:31PM +0000, Julien Thierry wrote:
The addition of PMR should not bypass the semantics of daifflags.

When DA_F are set, I bit is also set as no interrupts (even of higher
priority) is allowed.

When DA_F are cleared, I bit is cleared and interrupt enabling/disabling
goes through ICC_PMR_EL1.

Signed-off-by: Julien Thierry <redacted>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <redacted>
Cc: James Morse <james.morse@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

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