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Message-ID: <ZfzMFv3zmYY36l9u@shell.armlinux.org.uk>
Date: Fri, 22 Mar 2024 00:08:54 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Ard Biesheuvel <ardb@...nel.org>
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Subject: Re: [PATCH v2] ARM: unwind: improve unwinders for noreturn case
On Thu, Mar 21, 2024 at 11:43:41PM +0100, Ard Biesheuvel wrote:
> Given that this particular issue would just disappear if the compiler
> would just insert a BRK after the BL, I'd prefer to explore first
> whether we can get this fixed on the compiler side.
Arm32 doesn't have a BRK instruction. What would be appropriate after
the no-return BL would be OS specific.
Maybe a branch to "abort" would be a good idea though.
--
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