diff options
Diffstat (limited to 'drivers/lguest')
| -rw-r--r-- | drivers/lguest/core.c | 1 | ||||
| -rw-r--r-- | drivers/lguest/lg.h | 1 | ||||
| -rw-r--r-- | drivers/lguest/lguest_device.c | 5 | ||||
| -rw-r--r-- | drivers/lguest/lguest_user.c | 1 | ||||
| -rw-r--r-- | drivers/lguest/page_tables.c | 1 | ||||
| -rw-r--r-- | drivers/lguest/x86/core.c | 12 |
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. */ |