On Wed, Jan 25, 2017 at 05:00:25PM +0000, Matt Redfearn wrote:
> Commit dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts")
> changed both the normal and vectored interrupt handlers. Unfortunately
> the vectored version, "except_vec_vi_handler", was incorrectly modified
> to unconditionally jal to plat_irq_dispatch, rather than doing a jalr to
> the vectored handler that has been set up. This is ok for many platforms
> which set the vectored handler to plat_irq_dispatch anyway, but will
> cause problems with platforms that use other handlers.
>
> Fixes: dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts")
> Signed-off-by: Matt Redfearn <[email protected]>Applied Thanks James > --- > > Ralf, if possible please could you squash this? > > --- > arch/mips/kernel/genex.S | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S > index 0a7ba4b2f687..7ec9612cb007 100644 > --- a/arch/mips/kernel/genex.S > +++ b/arch/mips/kernel/genex.S > @@ -329,7 +329,7 @@ NESTED(except_vec_vi_handler, 0, sp) > PTR_ADD sp, t0, t1 > > 2: > - jal plat_irq_dispatch > + jalr v0 > > /* Restore sp */ > move sp, s1 > -- > 2.7.4 >
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