linux-kernel - Re: [PATCH V2] arm64/hw_breakpoint: Directly use ESR_ELx

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Message-ID: <17d23998-555a-4349-a31c-edbd994ee013@sirena.org.uk>
Date: Thu, 29 Feb 2024 11:11:27 +0000
From: Mark Brown <broonie@...nel.org>
To: Anshuman Khandual <anshuman.khandual@....com>
Cc: linux-arm-kernel@...ts.infradead.org, catalin.marinas@....com,
	Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] arm64/hw_breakpoint: Directly use ESR_ELx_WNR for an
 watchpoint exception

On Thu, Feb 29, 2024 at 02:04:31PM +0530, Anshuman Khandual wrote:
> Let's use existing ISS encoding for an watchpoint exception i.e ESR_ELx_WNR
> This represents an instruction's either writing to or reading from a memory
> location during an watchpoint exception. While here this drops non-standard
> macro AARCH64_ESR_ACCESS_MASK.

Reviewed-by: Mark Brown <broonie@...nel.org>

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