Hi Mathieu, > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] > > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > CC: linux-api@xxxxxxxxxxxxxxx > CC: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx> > CC: Helge Deller <deller@xxxxxx> > CC: linux-parisc@xxxxxxxxxxxxxxx > --- > arch/parisc/include/uapi/asm/unistd.h | 3 ++- > arch/parisc/kernel/syscall_table.S | 1 + > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h > index 2e639d7..dadcada 100644 > --- a/arch/parisc/include/uapi/asm/unistd.h > +++ b/arch/parisc/include/uapi/asm/unistd.h > @@ -358,8 +358,9 @@ > #define __NR_memfd_create (__NR_Linux + 340) > #define __NR_bpf (__NR_Linux + 341) > #define __NR_execveat (__NR_Linux + 342) > +#define __NR_membarrier (__NR_Linux + 343) > > -#define __NR_Linux_syscalls (__NR_execveat + 1) > +#define __NR_Linux_syscalls (__NR_membarrier + 1) > > > #define __IGNORE_select /* newselect */ > diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S > index 8eefb12..2faa43b 100644 > --- a/arch/parisc/kernel/syscall_table.S > +++ b/arch/parisc/kernel/syscall_table.S > @@ -438,6 +438,7 @@ > ENTRY_SAME(memfd_create) /* 340 */ > ENTRY_SAME(bpf) > ENTRY_COMP(execveat) > + ENTRY_COMP(membarrier) This needs to be ENTRY_SAME(membarrier), since you don't have/need a compat_membarrier() function. After changing to ENTRY_SAME() I did run the kselftest on parisc: deller@ls3xx> ./membarrier_test membarrier MEMBARRIER_CMD_QUERY syscall available. membarrier: MEMBARRIER_CMD_SHARED success. membarrier: tests done! Helge -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
