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authorJiri Kosina <jkosina@suse.cz>2010-04-23 02:08:44 +0200
committerJiri Kosina <jkosina@suse.cz>2010-04-23 02:08:44 +0200
commit6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1 (patch)
tree797676a336b050bfa1ef879377c07e541b9075d6 /drivers/lguest
parent4cb3ca7cd7e2cae8d1daf5345ec99a1e8502cf3f (diff)
parentc81eddb0e3728661d1585fbc564449c94165cc36 (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'drivers/lguest')
-rw-r--r--drivers/lguest/core.c1
-rw-r--r--drivers/lguest/lg.h1
-rw-r--r--drivers/lguest/lguest_device.c5
-rw-r--r--drivers/lguest/lguest_user.c1
-rw-r--r--drivers/lguest/page_tables.c1
-rw-r--r--drivers/lguest/x86/core.c12
6 files changed, 19 insertions, 2 deletions
diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 8744d24ac6e..efa202499e3 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -12,6 +12,7 @@
#include <linux/cpu.h>
#include <linux/freezer.h>
#include <linux/highmem.h>
+#include <linux/slab.h>
#include <asm/paravirt.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index bc28745d05a..9136411fadd 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -10,6 +10,7 @@
#include <linux/wait.h>
#include <linux/hrtimer.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <asm/lguest.h>
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index b6200bc39b5..69c84a1d88e 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -15,6 +15,7 @@
#include <linux/interrupt.h>
#include <linux/virtio_ring.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/paravirt.h>
#include <asm/lguest_hcall.h>
@@ -177,7 +178,7 @@ static void set_status(struct virtio_device *vdev, u8 status)
/* We set the status. */
to_lgdev(vdev)->desc->status = status;
- kvm_hypercall1(LHCALL_NOTIFY, (max_pfn << PAGE_SHIFT) + offset);
+ hcall(LHCALL_NOTIFY, (max_pfn << PAGE_SHIFT) + offset, 0, 0, 0);
}
static void lg_set_status(struct virtio_device *vdev, u8 status)
@@ -228,7 +229,7 @@ static void lg_notify(struct virtqueue *vq)
*/
struct lguest_vq_info *lvq = vq->priv;
- kvm_hypercall1(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT);
+ hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0, 0);
}
/* An extern declaration inside a C file is bad form. Don't do it. */
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index bd1632388e4..85b714df8ea 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -10,6 +10,7 @@
#include <linux/sched.h>
#include <linux/eventfd.h>
#include <linux/file.h>
+#include <linux/slab.h>
#include "lg.h"
/*L:056
diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index cf94326f1b5..04b22128a47 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -10,6 +10,7 @@
/* Copyright (C) Rusty Russell IBM Corporation 2006.
* GPL v2 and any later version */
#include <linux/mm.h>
+#include <linux/gfp.h>
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/random.h>
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index fb2b7ef7868..b4eb675a807 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -288,6 +288,18 @@ static int emulate_insn(struct lg_cpu *cpu)
insn = lgread(cpu, physaddr, u8);
/*
+ * Around 2.6.33, the kernel started using an emulation for the
+ * cmpxchg8b instruction in early boot on many configurations. This
+ * code isn't paravirtualized, and it tries to disable interrupts.
+ * Ignore it, which will Mostly Work.
+ */
+ if (insn == 0xfa) {
+ /* "cli", or Clear Interrupt Enable instruction. Skip it. */
+ cpu->regs->eip++;
+ return 1;
+ }
+
+ /*
* 0x66 is an "operand prefix". It means it's using the upper 16 bits
* of the eax register.
*/