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    Subject[ 031/127] Drivers: hv: Fix a bug in get_vp_index()
    Date
    3.9-stable review patch.  If anyone has any objections, please let me know.

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

    From: "K. Y. Srinivasan" <kys@microsoft.com>

    commit d2242a384355773c711a936522bcfae0f35f8c2a upstream.

    Linux' notion of cpuid is different from the Host's notion of CPUID. In the
    call to bind the channel interrupts, we should use the host's notion of
    CPU Ids. Fix this bug.

    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/hv/channel_mgmt.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/hv/channel_mgmt.c
    +++ b/drivers/hv/channel_mgmt.c
    @@ -318,7 +318,7 @@ static u32 get_vp_index(uuid_le *type_gu
    return 0;
    }
    cur_cpu = (++next_vp % max_cpus);
    - return cur_cpu;
    + return hv_context.vp_index[cur_cpu];
    }

    /*



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