This is a note to let you know that I've just added the patch titled

Drivers: hv: vmbus: fix build warning

to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: drivers-hv-vmbus-fix-build-warning.patch and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 9220e39b5c900c67ddcb517d52fe52d90fb5e3c8 Mon Sep 17 00:00:00 2001

From: Sudip Mukherjee sudipm.mukherjee@gmail.com Date: Fri, 11 Dec 2015 14:23:11 +0530 Subject: Drivers: hv: vmbus: fix build warning

From: Sudip Mukherjee sudipm.mukherjee@gmail.com

commit 9220e39b5c900c67ddcb517d52fe52d90fb5e3c8 upstream.

We were getting build warning about unused variable "tsc_msr" and "va_tsc" while building for i386 allmodconfig.

Signed-off-by: Sudip Mukherjee sudip@vectorindia.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/hv/hv.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -195,9 +195,7 @@ int hv_init(void) { int max_leaf; union hv_x64_msr_hypercall_contents hypercall_msr; - union hv_x64_msr_hypercall_contents tsc_msr; void *virtaddr = NULL; - void *va_tsc = NULL;

memset(hv_context.synic_event_page, 0, sizeof(void *) * NR_CPUS); memset(hv_context.synic_message_page, 0, @@ -243,6 +241,9 @@ int hv_init(void)

#ifdef CONFIG_X86_64 if (ms_hyperv.features & HV_X64_MSR_REFERENCE_TSC_AVAILABLE) { + union hv_x64_msr_hypercall_contents tsc_msr; + void *va_tsc; + va_tsc = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL); if (!va_tsc) goto cleanup;

Patches currently in stable-queue which might be from sudipm.mukherjee@gmail.com are

queue-4.4/kasan-rework-kconfig-settings.patch queue-4.4/drivers-hv-vmbus-fix-build-warning.patch queue-4.4/video-fbdev-sis-remove-unused-variable.patch queue-4.4/drm-gma500-remove-helper-function.patch queue-4.4/dpt_i2o-fix-build-warning.patch queue-4.4/scsi-sim710-fix-build-warning.patch