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authorKees Cook <keescook@chromium.org>2015-04-16 21:48:44 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-17 15:04:09 +0200
commitddaa27ee627fb58d1a68eb1eb196393d64c25d1b (patch)
treeb573254b39da297416badb77ea40a12818c06a61 /include/asm-generic/seccomp.h
parentarc: do not export symbols in troubleshoot.c (diff)
downloadlinux-ddaa27ee627fb58d1a68eb1eb196393d64c25d1b.tar.xz
linux-ddaa27ee627fb58d1a68eb1eb196393d64c25d1b.zip
seccomp: allow COMPAT sigreturn overrides
Most architectures don't need to do much special for the strict-mode seccomp syscall entries. Remove the redundant headers and reduce the others. This patch (of 8): Some architectures may need to override the compat sigreturn definition, as is already possible in the non-compat case. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Daniel Borkmann <dborkman@redhat.com> Cc: Laura Abbott <lauraa@codeaurora.org> Cc: James Hogan <james.hogan@imgtec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--include/asm-generic/seccomp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h
index 9fa1f653ed3b..c9ccafa0d99a 100644
--- a/include/asm-generic/seccomp.h
+++ b/include/asm-generic/seccomp.h
@@ -17,7 +17,9 @@
#define __NR_seccomp_read_32 __NR_read
#define __NR_seccomp_write_32 __NR_write
#define __NR_seccomp_exit_32 __NR_exit
+#ifndef __NR_seccomp_sigreturn_32
#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn
+#endif
#endif /* CONFIG_COMPAT && ! already defined */
#define __NR_seccomp_read __NR_read