On Tue, Dec 21, 2021 at 05:49:33PM +0000, Christophe Leroy wrote: > diff --git a/arch/powerpc/kernel/vdso32/datapage.S > b/arch/powerpc/kernel/vdso32/datapage.S > index 65244416ab94..db8e167f0166 100644 > --- a/arch/powerpc/kernel/vdso32/datapage.S > +++ b/arch/powerpc/kernel/vdso32/datapage.S > @@ -30,11 +30,15 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map) > mr. r4,r3 > get_datapage r3 > mtlr r12 > +#ifdef __powerpc64__ > + addi r3,r3,CFG_SYSCALL_MAP64 > +#else > addi r3,r3,CFG_SYSCALL_MAP32 > +#endif > + crclr cr0*4+so > beqlr > li r0,NR_syscalls > stw r0,0(r4) > - crclr cr0*4+so > blr
This now clears cr0.3 if r3 is zero on entry. Is that on purpose? Rest looks good. Reviewed-by: Segher Boessenkool <seg...@kernel.crashing.org> Segher
