linux-kernel - Re: [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment

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Message-ID: <20200319183758.GB27141@willie-the-truck>
Date:   Thu, 19 Mar 2020 18:37:58 +0000
From:   Will Deacon <will@...nel.org>
To:     Rémi Denis-Courmont <remi@...lab.net>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        James Morse <james.morse@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment

On Thu, Mar 19, 2020 at 11:12:56AM +0200, Rémi Denis-Courmont wrote:
> 	Hi,
> 
> The KPTI and SDE trampolines each load a pointer from the same fixmap data
> page. This reduces the data alignment to the useful value, and tries to
> clarify the assembler code.
> 
> Changes since v2:
> - Retain alignment even when SDEI is disabled to keep ld happy.
> 
> ----------------------------------------------------------------
> Rémi Denis-Courmont (3):
>       arm64: clean up trampoline vector loads
>       arm64/sdei: gather trampolines' .rodata
>       arm64: reduce trampoline data alignment

For the series:

Acked-by: Will Deacon <will@...nel.org>

[in future please don't drop acks from patches that haven't changed, cheers]

Will