Messages in this thread Patch in this message | | | From | Matias Bjørling <> | Subject | [PATCH 2/5] lightnvm: warn if irqs are disabled in lock laddr | Date | Thu, 4 Feb 2016 15:13:24 +0100 |
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From: Javier González <jg@lightnvm.io>
Add a warning if irqs are disabled when locking a new address in rrpc. The typical path to a new request does not disable irqs, but this is not guaranteed in the future.
Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> --- drivers/lightnvm/rrpc.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h index dfca5c4..c27283a 100644 --- a/drivers/lightnvm/rrpc.h +++ b/drivers/lightnvm/rrpc.h @@ -184,6 +184,8 @@ static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr, sector_t laddr_end = laddr + pages - 1; struct rrpc_inflight_rq *rtmp; + WARN_ON(irqs_disabled()); + spin_lock_irq(&rrpc->inflights.lock); list_for_each_entry(rtmp, &rrpc->inflights.reqs, list) { if (unlikely(request_intersects(rtmp, laddr, laddr_end))) { -- 2.1.4
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