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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2018-06-22 19:06:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-03 09:00:34 +0200 |
| commit | 4bd06060762bc7e4834ecf9daeb78834f7a29582 (patch) | |
| tree | 14139b23e23d5e98ca60f911dd31b8b1690d3d5e /arch/x86/include/asm/trace/hyperv.h | |
| parent | d8e6b232cfdd5d141c03e40a14c1c781480ea05e (diff) | |
| download | linux-stable-4bd06060762bc7e4834ecf9daeb78834f7a29582.tar.gz linux-stable-4bd06060762bc7e4834ecf9daeb78834f7a29582.tar.bz2 linux-stable-4bd06060762bc7e4834ecf9daeb78834f7a29582.zip | |
x86/hyper-v: Use cheaper HVCALL_SEND_IPI hypercall when possible
When there is no need to send an IPI to a CPU with VP number > 64
we can do the job with fast HVCALL_SEND_IPI hypercall.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Cc: devel@linuxdriverproject.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Tianyu Lan <Tianyu.Lan@microsoft.com>
Cc: "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>
Link: https://lkml.kernel.org/r/20180622170625.30688-4-vkuznets@redhat.com
Diffstat (limited to 'arch/x86/include/asm/trace/hyperv.h')
0 files changed, 0 insertions, 0 deletions