linux-apfs

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Vitaly Kuznetsov a9f61ca793 Drivers: hv: avoid vfree() on crash

When we crash from NMI context (e.g. after NMI injection from host when
'sysctl -w kernel.unknown_nmi_panic=1' is set) we hit

    kernel BUG at mm/vmalloc.c:1530!

as vfree() is denied. While the issue could be solved with in_nmi() check
instead I opted for skipping vfree on all sorts of crashes to reduce the
amount of work which can cause consequent crashes. We don't really need to
free anything on crash.

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

2016-08-31 13:05:40 +02:00

channel_mgmt.c

Drivers: hv: vmbus: handle various crash scenarios

2016-05-01 09:23:14 -07:00

channel.c

Drivers: hv: vmbus: Give control over how the ring access is serialized

2016-02-07 21:34:12 -08:00

connection.c

Drivers: hv: vmbus: Export the vmbus_set_event() API

2016-04-30 14:00:19 -07:00

hv_balloon.c

Drivers: hv: balloon: reset host_specified_ha_region