On Thu, Sep 13, 2012 at 06:02:37PM +0200, Heiko Carstens wrote: > On Fri, Sep 07, 2012 at 04:02:34PM +0400, Cyrill Gorcunov wrote: > > On Fri, Sep 07, 2012 at 01:31:31PM +0200, Heiko Carstens wrote: > > > Now that the checksyscalls script works again it will warn about the > > > missing > > > "kcmp" system call on all architectures but x86. > > > Since according to git commit d97b46a6 "syscalls, x86: add __NR_kcmp > > > syscall" > > > only x86 is currently supported don't emit any warning for this system > > > call. > [...] > > > diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh > > > index fd8fa9a..c7cda79 100755 > > > --- a/scripts/checksyscalls.sh > > > +++ b/scripts/checksyscalls.sh > > > @@ -194,6 +194,9 @@ cat << EOF > > > #define __IGNORE_getpmsg > > > #define __IGNORE_putpmsg > > > #define __IGNORE_vserver > > > + > > > +/* kcmp is currently x86 only */ > > > +#define __IGNORE_kcmp > > Ok, I wired the system call up on s390 and the test case passed. > Below is the patch that is needed to actually reach the system call from > other architectures than x86. > Andrew, can you pick this one up as well? > > The code that wires the system call up on s390 will go upstream via the > s390 tree. Thanks to kcmp being a cond_syscall there is no compile > time dependency. > > From 1ff800597ea8f678a179387e3cf2ae663531e2fe Mon Sep 17 00:00:00 2001 > From: Heiko Carstens <[email protected]> > Date: Thu, 13 Sep 2012 09:37:38 +0200 > Subject: [PATCH] syscalls: make kcmp syscall available for all architectures > > Remove the x86 dependency, since the system call is not > architecture dependend. > > Also add a ptrace.h include, so it compiles at least also on s390. > > Signed-off-by: Heiko Carstens <[email protected]> Reviewed-by: Cyrill Gorcunov <[email protected]>
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