[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH] xen/gnttab: Log when grant_table_init() fails
... so debug builds can see what went wrong, rather than getting an unqualified -EINVAL out domain creation. Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- CC: Jan Beulich <JBeulich@xxxxxxxx> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx> CC: Wei Liu <wl@xxxxxxx> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx> CC: Julien Grall <julien@xxxxxxx> CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx> --- xen/common/grant_table.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c index b31d404579..cbdd6e2f4e 100644 --- a/xen/common/grant_table.c +++ b/xen/common/grant_table.c @@ -1920,7 +1920,11 @@ int grant_table_init(struct domain *d, int max_grant_frames, if ( max_grant_frames < INITIAL_NR_GRANT_FRAMES || max_grant_frames > opt_max_grant_frames || max_maptrack_frames > opt_max_maptrack_frames ) + { + dprintk(XENLOG_INFO, "Bad grant table sizes: grant %u, maptrack %u\n", + max_grant_frames, max_maptrack_frames); return -EINVAL; + } if ( (gt = xzalloc(struct grant_table)) == NULL ) return -ENOMEM; -- 2.11.0
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