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    Subject[PATCH 4.4 110/193] Drivers: hv: vmbus: fix build warning
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    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;

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