This fixes a softlockup seen on resume. During resume, the CRQ must be reenabled. However, the H_ENABLE_CRQ hcall used to do this may return H_BUSY or H_LONG_BUSY. When this happens, the caller is expected to retry later. This patch changes a simple loop, which was causing the softlockup, to a loop at task level which sleeps between retries rather than simply spinning. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de> |
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Makefile | ||
ibmvfc.c | ||
ibmvfc.h | ||
ibmvscsi.c | ||
ibmvscsi.h | ||
ibmvstgt.c | ||
iseries_vscsi.c | ||
rpa_vscsi.c | ||
viosrp.h |