diff options
| author | Anton Ivanov <anton.ivanov@cambridgegreys.com> | 2022-02-22 12:44:10 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-15 14:18:31 +0200 |
| commit | ce8043771fcda5572fc6ee6cc857fe12e310bed3 (patch) | |
| tree | 1c5cd761915fa0ebbe4bf1cd892827065cee051d /arch/um | |
| parent | 337eb9557035b7019549353e41f86eb9165f14d5 (diff) | |
um: Fix uml_mconsole stop/go
commit 1a3a6a2a035bb6c3a7ef4c788d8fd69a7b2d6284 upstream.
Moving to an EPOLL based IRQ controller broke uml_mconsole stop/go
commands. This fixes it and restores stop/go functionality.
Fixes: ff6a17989c08 ("Epoll based IRQ controller")
Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/drivers/mconsole_kern.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 0117489e9b30..750acc134432 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -217,7 +217,7 @@ 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 (;;) { @@ -240,6 +240,7 @@ 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); |