On Sun, Aug 06, 2017 at 06:44:03PM +0200, Mikko Rapeli wrote: > Fixes userspace compilation error: > > error: unknown type name ‘size_t’ > > Signed-off-by: Mikko Rapeli <mikko.rapeli@xxxxxx> > Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: H. Peter Anvin <hpa@xxxxxxxxx> > --- > arch/x86/include/uapi/asm/signal.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h > index 8264f47cf53e..74346db30758 100644 > --- a/arch/x86/include/uapi/asm/signal.h > +++ b/arch/x86/include/uapi/asm/signal.h > @@ -127,7 +127,7 @@ struct sigaction { > typedef struct sigaltstack { > void __user *ss_sp; > int ss_flags; > - size_t ss_size; > + __kernel_size_t ss_size; > } stack_t; > > #endif /* __ASSEMBLY__ */ This is definitely wrong because sizeof(size_t) < sizeof(__kernel_size_t) on x32. I submitted a different fix some time ago, see http://lkml.kernel.org/r/20170303005930.GA10283@xxxxxxxxxxxx and http://lkml.kernel.org/r/20170303005950.GB10283@xxxxxxxxxxxx -- ldv
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