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authorH. Peter Anvin <hpa@linux.intel.com>2014-02-07 11:27:30 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2014-02-07 11:27:30 -0800
commita3b072cd180c12e8fe0ece9487b9065808327640 (patch)
tree62b982041be84748852d77cdf6ca5639ef40858f /drivers/hv
parent75a1ba5b2c529db60ca49626bcaf0bddf4548438 (diff)
parent081cd62a010f97b5bc1d2b0cd123c5abc692b68a (diff)
Merge tag 'efi-urgent' into x86/urgent
* Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit). Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/channel.c14
-rw-r--r--drivers/hv/hv.c2
-rw-r--r--drivers/hv/vmbus_drv.c2
3 files changed, 9 insertions, 9 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index cea623c36ae..69ea36f07b4 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -209,7 +209,6 @@ static int create_gpadl_header(void *kbuffer, u32 size,
{
int i;
int pagecount;
- unsigned long long pfn;
struct vmbus_channel_gpadl_header *gpadl_header;
struct vmbus_channel_gpadl_body *gpadl_body;
struct vmbus_channel_msginfo *msgheader;
@@ -219,7 +218,6 @@ static int create_gpadl_header(void *kbuffer, u32 size,
int pfnsum, pfncount, pfnleft, pfncurr, pfnsize;
pagecount = size >> PAGE_SHIFT;
- pfn = virt_to_phys(kbuffer) >> PAGE_SHIFT;
/* do we need a gpadl body msg */
pfnsize = MAX_SIZE_CHANNEL_MESSAGE -
@@ -248,7 +246,8 @@ static int create_gpadl_header(void *kbuffer, u32 size,
gpadl_header->range[0].byte_offset = 0;
gpadl_header->range[0].byte_count = size;
for (i = 0; i < pfncount; i++)
- gpadl_header->range[0].pfn_array[i] = pfn+i;
+ gpadl_header->range[0].pfn_array[i] = slow_virt_to_phys(
+ kbuffer + PAGE_SIZE * i) >> PAGE_SHIFT;
*msginfo = msgheader;
*messagecount = 1;
@@ -301,7 +300,9 @@ static int create_gpadl_header(void *kbuffer, u32 size,
* so the hypervisor gurantees that this is ok.
*/
for (i = 0; i < pfncurr; i++)
- gpadl_body->pfn[i] = pfn + pfnsum + i;
+ gpadl_body->pfn[i] = slow_virt_to_phys(
+ kbuffer + PAGE_SIZE * (pfnsum + i)) >>
+ PAGE_SHIFT;
/* add to msg header */
list_add_tail(&msgbody->msglistentry,
@@ -327,7 +328,8 @@ static int create_gpadl_header(void *kbuffer, u32 size,
gpadl_header->range[0].byte_offset = 0;
gpadl_header->range[0].byte_count = size;
for (i = 0; i < pagecount; i++)
- gpadl_header->range[0].pfn_array[i] = pfn+i;
+ gpadl_header->range[0].pfn_array[i] = slow_virt_to_phys(
+ kbuffer + PAGE_SIZE * i) >> PAGE_SHIFT;
*msginfo = msgheader;
*messagecount = 1;
@@ -344,7 +346,7 @@ nomem:
* vmbus_establish_gpadl - Estabish a GPADL for the specified buffer
*
* @channel: a channel
- * @kbuffer: from kmalloc
+ * @kbuffer: from kmalloc or vmalloc
* @size: page-size multiple
* @gpadl_handle: some funky thing
*/
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index f0c5e07c25e..bcb49502c3b 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -301,7 +301,7 @@ err:
return -ENOMEM;
}
-void hv_synic_free_cpu(int cpu)
+static void hv_synic_free_cpu(int cpu)
{
kfree(hv_context.event_dpc[cpu]);
if (hv_context.synic_event_page[cpu])
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 48aad4faea0..077bb1bdac3 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -30,7 +30,6 @@
#include <linux/sysctl.h>
#include <linux/slab.h>
#include <linux/acpi.h>
-#include <acpi/acpi_bus.h>
#include <linux/completion.h>
#include <linux/hyperv.h>
#include <linux/kernel_stat.h>
@@ -39,7 +38,6 @@
#include <asm/mshyperv.h>
#include "hyperv_vmbus.h"
-
static struct acpi_device *hv_acpi_dev;
static struct tasklet_struct msg_dpc;