This is a note to let you know that I've just added the patch titled
tools/lguest: Fix redefinition of struct virtio_pci_cfg_cap
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
tools-lguest-fix-redefinition-of-struct-virtio_pci_cfg_cap.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e523caa601f4a7c2fa1ecd040db921baf7453798 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Wed, 26 Aug 2015 10:42:26 +0930
Subject: tools/lguest: Fix redefinition of struct virtio_pci_cfg_cap
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From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
commit e523caa601f4a7c2fa1ecd040db921baf7453798 upstream.
Ours uses a u32 for the data, since we ensure it's always
aligned and it's x86 so it doesn't matter anyway.
lguest.c:128:8: error: redefinition of ‘struct virtio_pci_cfg_cap’
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Fixes: 3121bb023e2db ("virtio: define virtio_pci_cfg_cap in header.")
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/lguest/lguest.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -125,7 +125,11 @@ struct device_list {
/* The list of Guest devices, based on command line arguments. */
static struct device_list devices;
-struct virtio_pci_cfg_cap {
+/*
+ * Just like struct virtio_pci_cfg_cap in uapi/linux/virtio_pci.h,
+ * but uses a u32 explicitly for the data.
+ */
+struct virtio_pci_cfg_cap_u32 {
struct virtio_pci_cap cap;
u32 pci_cfg_data; /* Data for BAR access. */
};
@@ -157,7 +161,7 @@ struct pci_config {
struct virtio_pci_notify_cap notify;
struct virtio_pci_cap isr;
struct virtio_pci_cap device;
- struct virtio_pci_cfg_cap cfg_access;
+ struct virtio_pci_cfg_cap_u32 cfg_access;
};
/* The device structure describes a single device. */
@@ -1291,7 +1295,7 @@ static struct device *dev_and_reg(u32 *r
* only fault if they try to write with some invalid bar/offset/length.
*/
static bool valid_bar_access(struct device *d,
- struct virtio_pci_cfg_cap *cfg_access)
+ struct virtio_pci_cfg_cap_u32 *cfg_access)
{
/* We only have 1 bar (BAR0) */
if (cfg_access->cap.bar != 0)
Patches currently in stable-queue which might be from rusty@xxxxxxxxxxxxxxx are
queue-4.2/tools-lguest-fix-redefinition-of-struct-virtio_pci_cfg_cap.patch
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