On Fri, 2019-11-08 at 21:34 +0100, Arnd Bergmann wrote: > On little-endian 32-bit application running on 64-bit kernels, > the current vdso would read the wrong half of the xtime seconds > field. Change it to return the lower half like it does on > big-endian.
ppc64le doesn't have 32-bit compat so this is only theoretical. Ben. > Signed-off-by: Arnd Bergmann <a...@arndb.de> > --- > arch/powerpc/kernel/vdso32/gettimeofday.S | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S > b/arch/powerpc/kernel/vdso32/gettimeofday.S > index becd9f8767ed..4327665ad86f 100644 > --- a/arch/powerpc/kernel/vdso32/gettimeofday.S > +++ b/arch/powerpc/kernel/vdso32/gettimeofday.S > @@ -13,7 +13,7 @@ > #include <asm/unistd.h> > > /* Offset for the low 32-bit part of a field of long type */ > -#ifdef CONFIG_PPC64 > +#if defined(CONFIG_PPC64) && defined(CONFIG_CPU_BIG_ENDIAN) > #define LOPART 4 > #define TSPEC_TV_SEC TSPC64_TV_SEC+LOPART > #else -- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom
