On Mon, Aug 16, 2021 at 11:47:39AM +0200, David Hildenbrand wrote: > Temporarily modifying the SIGBUS handler is really nasty, as we might be > unlucky and receive an MCE SIGBUS while having our handler registered. > Unfortunately, there is no way around messing with SIGBUS when > MADV_POPULATE_WRITE is not applicable or not around. > > Let's forward SIGBUS that don't belong to us to the already registered > handler and document the situation. > > Signed-off-by: David Hildenbrand <[email protected]> > --- > softmmu/cpus.c | 4 ++++ > util/oslib-posix.c | 36 +++++++++++++++++++++++++++++++++--- > 2 files changed, 37 insertions(+), 3 deletions(-)
Reviewed-by: Daniel P. Berrangé <[email protected]> Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
