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Date: Wed, 23 Feb 2022 22:22:59 -0800 From: Max Filippov <jcmvbkbc@...il.com> To: Kees Cook <keescook@...omium.org> Cc: Chris Zankel <chris@...kel.net>, Marc Zyngier <maz@...nel.org>, "open list:TENSILICA XTENSA PORT (xtensa)" <linux-xtensa@...ux-xtensa.org>, LKML <linux-kernel@...r.kernel.org>, linux-hardening@...r.kernel.org Subject: Re: [PATCH] xtensa: Implement "current_stack_pointer" On Wed, Feb 23, 2022 at 10:05 PM Kees Cook <keescook@...omium.org> wrote: > > To follow the existing per-arch conventions replace open-coded uses > of asm "sp" as "current_stack_pointer". This will let it be used in > non-arch places (like HARDENED_USERCOPY). > > Cc: Chris Zankel <chris@...kel.net> > Cc: Max Filippov <jcmvbkbc@...il.com> > Cc: Marc Zyngier <maz@...nel.org> > Cc: linux-xtensa@...ux-xtensa.org > Signed-off-by: Kees Cook <keescook@...omium.org> > --- > arch/xtensa/Kconfig | 1 + > arch/xtensa/include/asm/current.h | 2 ++ > arch/xtensa/include/asm/stacktrace.h | 2 +- > arch/xtensa/kernel/irq.c | 3 +-- > 4 files changed, 5 insertions(+), 3 deletions(-) Acked-by: Max Filippov <jcmvbkbc@...il.com> -- Thanks. -- Max
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