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authorArnd Bergmann <arnd@arndb.de>2012-11-16 16:59:17 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-16 16:59:17 +0100
commitdb2f95de7e6ab3d5cd7cc047bb09eb9ada07e3ba (patch)
tree46543712dbbb15075f7532621b0311f1de653e57 /arch/x86/include/asm/xen/hypercall.h
parent1bf0bc1e050fc425cc776b10d3ce8754389aabbe (diff)
parentd6aef84a48fa54ac606ae719fcd125199939f43d (diff)
Merge tag 'imx-soc' of git://git.pengutronix.de/git/imx/linux-2.6 into next/soc
From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX SoC updates based on imx-multiplatform branch. * tag 'imx-soc' of git://git.pengutronix.de/git/imx/linux-2.6: ARM i.MX51 babbage: Add display support ARM i.MX6: Add IPU support ARM i.MX51: Add IPU support ARM i.MX53: Add IPU support ARM i.MX5: switch IPU clk support to devicetree bindings ARM i.MX6: fix ldb_di_sel mux ARM i.MX51: setup MIPI during startup mx2_camera: Fix regression caused by clock conversion ARM: clk-imx27: Add missing clock for mx2-camera ARM i.MX27: Fix low reference clock path ARM: dts: imx27-3ds: Remove local watchdog inclusion watchdog: Support imx watchdog on SOC_IMX53 ARM: mach-imx: Support for DryIce RTC in i.MX53 ARM : i.MX27 : split code for allocation of ressources of camera and eMMA Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/x86/include/asm/xen/hypercall.h')
-rw-r--r--arch/x86/include/asm/xen/hypercall.h21
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 59c226d120c..c20d1ce62dc 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,
return _hypercall4(int, update_va_mapping, va,
new_val.pte, new_val.pte >> 32, flags);
}
+extern int __must_check xen_event_channel_op_compat(int, void *);
static inline int
HYPERVISOR_event_channel_op(int cmd, void *arg)
{
int rc = _hypercall2(int, event_channel_op, cmd, arg);
- if (unlikely(rc == -ENOSYS)) {
- struct evtchn_op op;
- op.cmd = cmd;
- memcpy(&op.u, arg, sizeof(op.u));
- rc = _hypercall1(int, event_channel_op_compat, &op);
- memcpy(arg, &op.u, sizeof(op.u));
- }
+ if (unlikely(rc == -ENOSYS))
+ rc = xen_event_channel_op_compat(cmd, arg);
return rc;
}
@@ -386,17 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str)
return _hypercall3(int, console_io, cmd, count, str);
}
+extern int __must_check HYPERVISOR_physdev_op_compat(int, void *);
+
static inline int
HYPERVISOR_physdev_op(int cmd, void *arg)
{
int rc = _hypercall2(int, physdev_op, cmd, arg);
- if (unlikely(rc == -ENOSYS)) {
- struct physdev_op op;
- op.cmd = cmd;
- memcpy(&op.u, arg, sizeof(op.u));
- rc = _hypercall1(int, physdev_op_compat, &op);
- memcpy(arg, &op.u, sizeof(op.u));
- }
+ if (unlikely(rc == -ENOSYS))
+ rc = HYPERVISOR_physdev_op_compat(cmd, arg);
return rc;
}