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authorVitaly Kuznetsov <vkuznets@redhat.com>2016-02-26 23:13:16 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-03-02 00:57:20 (GMT)
commit75ff3a8a9168df750b5bd0589e897a6c0517a9f1 (patch)
tree8fd74ea7038aee9503e31dda1281010aa16a9713 /kernel
parent7be3e169444d2c625f15a0b6639252b98d1f226a (diff)
downloadlinux-75ff3a8a9168df750b5bd0589e897a6c0517a9f1.tar.xz
Drivers: hv: vmbus: avoid wait_for_completion() on crash
wait_for_completion() may sleep, it enables interrupts and this is something we really want to avoid on crashes because interrupt handlers can cause other crashes. Switch to the recently introduced vmbus_wait_for_unload() doing busy wait instead. Reported-by: Radim Krcmar <rkrcmar@redhat.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Radim Kr.má<rkrcmar@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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