[PATCH v2 1/3] ARM: catch pending imprecise abort on unmask
tony at atomide.com
Thu Oct 15 08:39:15 PDT 2015
* Russell King - ARM Linux <linux at arm.linux.org.uk> [151015 08:37]:
> On Thu, Oct 15, 2015 at 12:32:20PM +0200, Lucas Stach wrote:
> > Install a non-faulting handler just before unmasking imprecise aborts
> > and switch back to the regular one after unmasking is done.
> > This catches any pending imprecise abort that the firmware/bootloader
> > may have left behind that would normally crash the kernel at that point.
> > As there are apparently a lot of bootlaoders out there that do such a
> > thing it makes sense to handle it in the common startup code.
> > Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> Much better. Please feel free to add it to the patch system, thanks.
> I think, given that the original seems to be breaking platforms, this
> patch needs to go into -rc kernels, right?
Hmm do we still see a trace where the issue happened though with this
What I though wes something pending from the bootloader, turned out
to be a bogus SRAM init code that I was able to easily fix with the
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