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| author | Anton Ivanov <anton.ivanov@cambridgegreys.com> | 2022-02-22 15:44:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:24:16 +0300 |
| commit | 166abd13eab0e816a73c7d936be95d819fcfc6eb (patch) | |
| tree | fcdead5f53eae4c2d908cb44794156b8f8606789 /arch/um | |
| parent | 94a53804ec3a63d2000a985e04da551d5791766f (diff) | |
| download | linux-166abd13eab0e816a73c7d936be95d819fcfc6eb.tar.xz | |
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 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); |