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| author | Chris Metcalf <cmetcalf@ezchip.com> | 2015-07-22 14:30:14 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@ezchip.com> | 2015-07-30 12:32:16 -0400 |
| commit | a0ddef81f4aeeeec3326f6b6a255d8ea13b41908 (patch) | |
| tree | 3a551abb0a57ff62fa7ad380f87e6c8bdb154d7b /arch/tile/kernel | |
| parent | 38715df206d52817ac8ac032f35ee76955bdc15d (diff) | |
| download | lwn-a0ddef81f4aeeeec3326f6b6a255d8ea13b41908.tar.gz lwn-a0ddef81f4aeeeec3326f6b6a255d8ea13b41908.zip | |
tile: enable full SECCOMP support
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
Diffstat (limited to 'arch/tile/kernel')
| -rw-r--r-- | arch/tile/kernel/intvec_32.S | 1 | ||||
| -rw-r--r-- | arch/tile/kernel/intvec_64.S | 1 | ||||
| -rw-r--r-- | arch/tile/kernel/ptrace.c | 3 |
3 files changed, 5 insertions, 0 deletions
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index cdbda45a4e4b..fbbe2ea882ea 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -1224,6 +1224,7 @@ handle_syscall: jal do_syscall_trace_enter } FEEDBACK_REENTER(handle_syscall) + blz r0, .Lsyscall_sigreturn_skip /* * We always reload our registers from the stack at this diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S index 800b91d3f9dc..58964d209d4d 100644 --- a/arch/tile/kernel/intvec_64.S +++ b/arch/tile/kernel/intvec_64.S @@ -1247,6 +1247,7 @@ handle_syscall: jal do_syscall_trace_enter } FEEDBACK_REENTER(handle_syscall) + bltz r0, .Lsyscall_sigreturn_skip /* * We always reload our registers from the stack at this diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index f84eed8243da..bdc126faf741 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -262,6 +262,9 @@ int do_syscall_trace_enter(struct pt_regs *regs) if (work & _TIF_NOHZ) user_exit(); + if (secure_computing() == -1) + return -1; + if (work & _TIF_SYSCALL_TRACE) { if (tracehook_report_syscall_entry(regs)) regs->regs[TREG_SYSCALL_NR] = -1; |