On 03/11/2017 10:04 PM, Mike Frysinger wrote: > While parisc would normally have the same behavior as ARM/PowerPC, > they decide to write shim syscall stubs to unpack/realign rather > than expose the padding to userspace. Thanks, Mike. Patch applied. Cheers, Michael > Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx> > --- > man2/syscall.2 | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/man2/syscall.2 b/man2/syscall.2 > index f8c89b84356d..b55540e039b7 100644 > --- a/man2/syscall.2 > +++ b/man2/syscall.2 > @@ -133,6 +133,10 @@ on PowerPC with the 32-bit ABI, and on Xtensa. > .\" Mike Frysinger: this issue ends up forcing MIPS > .\" O32 to take 7 arguments to syscall() > > +.\" See arch/parisc/kernel/sys_parisc.c. > +Note that while the parisc C ABI also uses aligned register pairs, > +it uses a shim layer to hide the issue from userspace. > + > The affected system calls are > .BR fadvise64_64 (2), > .BR ftruncate64 (2), > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
