Messages in this thread | | | Subject | Re: [PATCH] powerpc/32s: fix initial setup of segment registers on secondary CPU | From | Christophe Leroy <> | Date | Tue, 11 Jun 2019 18:46:56 +0200 |
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Le 11/06/2019 à 17:47, Christophe Leroy a écrit : > The patch referenced below moved the loading of segment registers > out of load_up_mmu() in order to do it earlier in the boot sequence. > However, the secondary CPU still needs it to be done when loading up > the MMU. > > Reported-by: Erhard F. <erhard_f@mailbox.org> > Fixes: 215b823707ce ("powerpc/32s: set up an early static hash table for KASAN")
Cc: stable@vger.kernel.org
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > --- > arch/powerpc/kernel/head_32.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S > index 1d5f1bd0dacd..f255e22184b4 100644 > --- a/arch/powerpc/kernel/head_32.S > +++ b/arch/powerpc/kernel/head_32.S > @@ -752,6 +752,7 @@ __secondary_start: > stw r0,0(r3) > > /* load up the MMU */ > + bl load_segment_registers > bl load_up_mmu > > /* ptr to phys current thread */ >
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