diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-12-08 09:25:06 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2012-12-08 09:25:06 -0500 |
commit | f0b9abfb044649bc452fb2fb975ff2fd599cc6a3 (patch) | |
tree | 7800081c5cb16a4dfee1e57a70f3be90f7b50d9a /arch/x86/include/asm/xen/hypercall.h | |
parent | adc1ef1e37358d3c17d1a74a58b2e104fc0bda15 (diff) | |
parent | 1b3c393cd43f22ead8a6a2f839efc6df8ebd7465 (diff) |
Merge branch 'linus' into perf/core
Conflicts:
tools/perf/Makefile
tools/perf/builtin-test.c
tools/perf/perf.h
tools/perf/tests/parse-events.c
tools/perf/util/evsel.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/xen/hypercall.h')
-rw-r--r-- | arch/x86/include/asm/xen/hypercall.h | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h index 59c226d120cd..c20d1ce62dc6 100644 --- a/arch/x86/include/asm/xen/hypercall.h +++ b/arch/x86/include/asm/xen/hypercall.h | |||
@@ -359,18 +359,14 @@ HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val, | |||
359 | return _hypercall4(int, update_va_mapping, va, | 359 | return _hypercall4(int, update_va_mapping, va, |
360 | new_val.pte, new_val.pte >> 32, flags); | 360 | new_val.pte, new_val.pte >> 32, flags); |
361 | } | 361 | } |
362 | extern int __must_check xen_event_channel_op_compat(int, void *); | ||
362 | 363 | ||
363 | static inline int | 364 | static inline int |
364 | HYPERVISOR_event_channel_op(int cmd, void *arg) | 365 | HYPERVISOR_event_channel_op(int cmd, void *arg) |
365 | { | 366 | { |
366 | int rc = _hypercall2(int, event_channel_op, cmd, arg); | 367 | int rc = _hypercall2(int, event_channel_op, cmd, arg); |
367 | if (unlikely(rc == -ENOSYS)) { | 368 | if (unlikely(rc == -ENOSYS)) |
368 | struct evtchn_op op; | 369 | rc = xen_event_channel_op_compat(cmd, arg); |
369 | op.cmd = cmd; | ||
370 | memcpy(&op.u, arg, sizeof(op.u)); | ||
371 | rc = _hypercall1(int, event_channel_op_compat, &op); | ||
372 | memcpy(arg, &op.u, sizeof(op.u)); | ||
373 | } | ||
374 | return rc; | 370 | return rc; |
375 | } | 371 | } |
376 | 372 | ||
@@ -386,17 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str) | |||
386 | return _hypercall3(int, console_io, cmd, count, str); | 382 | return _hypercall3(int, console_io, cmd, count, str); |
387 | } | 383 | } |
388 | 384 | ||
385 | extern int __must_check HYPERVISOR_physdev_op_compat(int, void *); | ||
386 | |||
389 | static inline int | 387 | static inline int |
390 | HYPERVISOR_physdev_op(int cmd, void *arg) | 388 | HYPERVISOR_physdev_op(int cmd, void *arg) |
391 | { | 389 | { |
392 | int rc = _hypercall2(int, physdev_op, cmd, arg); | 390 | int rc = _hypercall2(int, physdev_op, cmd, arg); |
393 | if (unlikely(rc == -ENOSYS)) { | 391 | if (unlikely(rc == -ENOSYS)) |
394 | struct physdev_op op; | 392 | rc = HYPERVISOR_physdev_op_compat(cmd, arg); |
395 | op.cmd = cmd; | ||
396 | memcpy(&op.u, arg, sizeof(op.u)); | ||
397 | rc = _hypercall1(int, physdev_op_compat, &op); | ||
398 | memcpy(arg, &op.u, sizeof(op.u)); | ||
399 | } | ||
400 | return rc; | 393 | return rc; |
401 | } | 394 | } |
402 | 395 | ||