From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: fix Thumb2 regression with Spectre BHB
Date: Fri, 11 Mar 2022 17:11:40 +0000 [thread overview]
Message-ID: <YiuCzGaPidJwl8j8@shell.armlinux.org.uk> (raw)
In-Reply-To: <E1nSikJ-0016PS-RU@rmk-PC.armlinux.org.uk>
On Fri, Mar 11, 2022 at 05:08:07PM +0000, Russell King (Oracle) wrote:
> When building for Thumb2, the vectors make use of a local label. Sadly,
> the Spectre BHB code also uses a local label with the same number which
> results in the Thumb2 reference pointing at the wrong place. Fix this
> by changing the number used for the Spectre BHB local label.
>
> Tested-by: Nathan Chancellor <nathan@kernel.org>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Hmm, let me resend this with a Fixes tag and Cc stable!
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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prev parent reply other threads:[~2022-03-11 17:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 17:08 [PATCH] ARM: fix Thumb2 regression with Spectre BHB Russell King (Oracle)
2022-03-11 17:11 ` Russell King (Oracle) [this message]
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