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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-10-07 01:13:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-10-07 01:13:26 -0700 |
| commit | 162bdafa46bfbc10c564de3c1aca2708440181e8 (patch) | |
| tree | 5419ae99fdd48b8fca010c719574afb3656bdd25 /arch/s390/kernel/kprobes.c | |
| parent | d0e639c9e06d44e713170031fe05fb60ebe680af (diff) | |
| parent | dbbfe487e5f3fc00c9fe5207d63309859704d12f (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"A couple of bux fixes, notable are the regression with ptrace vs
restarting system calls and the patch for kdump to be able to copy
from virtual memory"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix system call restart after inferior call
s390: Allow vmalloc target buffers for copy_from_oldmem()
s390/sclp: properly detect line mode console
s390/kprobes: add exrl to list of prohibited opcodes
s390/3270: fix return value check in tty3270_resize_work()
Diffstat (limited to 'arch/s390/kernel/kprobes.c')
| -rw-r--r-- | arch/s390/kernel/kprobes.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 0ce9fb245034..d86e64eddb42 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -67,6 +67,11 @@ static int __kprobes is_prohibited_opcode(kprobe_opcode_t *insn) case 0xac: /* stnsm */ case 0xad: /* stosm */ return -EINVAL; + case 0xc6: + switch (insn[0] & 0x0f) { + case 0x00: /* exrl */ + return -EINVAL; + } } switch (insn[0]) { case 0x0101: /* pr */ @@ -180,7 +185,6 @@ static int __kprobes is_insn_relative_long(kprobe_opcode_t *insn) break; case 0xc6: switch (insn[0] & 0x0f) { - case 0x00: /* exrl */ case 0x02: /* pfdrl */ case 0x04: /* cghrl */ case 0x05: /* chrl */ |