From: Anton Ivanov <anton.iva...@cambridgegreys.com>
Moving to an EPOLL based IRQ controller broke uml_mconsole stop/go
commands. This fixes it and restores stop/go functionality.
Fixes: ff6a17989c08b0bb0fd490cc500b084581b3a9b9 Epoll based IRQ controller
Signed-off-by: Anton Ivanov <anton.iva...@cambridgegreys.com>
---
arch/um/drivers/mconsole_kern.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 6ead1e240457..8ca67a692683 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -224,7 +224,7 @@ void mconsole_go(struct mc_request *req)
void mconsole_stop(struct mc_request *req)
{
- deactivate_fd(req->originating_fd, MCONSOLE_IRQ);
+ block_signals();
os_set_fd_block(req->originating_fd, 1);
mconsole_reply(req, "stopped", 0, 0);
for (;;) {
@@ -247,6 +247,7 @@ void mconsole_stop(struct mc_request *req)
}
os_set_fd_block(req->originating_fd, 0);
mconsole_reply(req, "", 0, 0);
+ unblock_signals();
}
static DEFINE_SPINLOCK(mc_devices_lock);
--
2.30.2
