09.06.2014 10:22, Mike Galbraith пишет:
On Mon, 2014-06-09 at 05:17 +0200, Mike Galbraith wrote:
On Mon, 2014-06-09 at 10:08 +0800, Lai Jiangshan wrote:
Hi, rt-people
@@ -522,7 +524,9 @@ static void free_ioctx_users(struct perc
struct kioctx *ctx = container_of(ref, struct kioctx, users);
struct kiocb *req;
+ preempt_enable_rt();
spin_lock_irq(&ctx->ctx_lock);
+ local_irq_disable_rt();
while (!list_empty(&ctx->active_reqs)) {
req = list_first_entry(&ctx->active_reqs,
@@ -536,6 +540,8 @@ static void free_ioctx_users(struct perc
percpu_ref_kill(&ctx->reqs);
percpu_ref_put(&ctx->reqs);
+ preempt_disable_rt();
+ local_irq_enable_rt();
I think, enable_/disable_ must be as mirror reflections
preempt_enable_rt();
local_irq_disable_rt();
do_something();
local_irq_enable_rt();
preempt_disable_rt();
--
Pavel.
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