linux-kernel - Re: [PATCH 1/3] arm64: clean up trampoline vector loads

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Message-ID: <20200324103714.GF4892@mbp>
Date:   Tue, 24 Mar 2020 10:37:14 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Rémi Denis-Courmont <remi@...lab.net>
Cc:     Mark Rutland <mark.rutland@....com>, will@...nel.org,
        james.morse@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64: clean up trampoline vector loads

On Mon, Mar 23, 2020 at 10:42:30PM +0200, Rémi Denis-Courmont wrote:
> Le maanantaina 23. maaliskuuta 2020, 21.04.09 EET Catalin Marinas a écrit :
> > Should we just use adrp on __entry_tramp_data_start? Anyway, the diff
> > below doesn't solve the issue I'm seeing (only reverting patch 3).
> 
> AFAIU, the preexisting code uses the manual PAGE_SIZE offset because the offset 
> in the main vmlinux does not match the architected offset inside the fixmap. If 
> so, then using the symbol directly will not work at all.

You are right, it broke the defconfig as well.

-- 
Catalin