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um: Fix uml_mconsole stop/go
commit1a3a6a2a03
upstream. Moving to an EPOLL based IRQ controller broke uml_mconsole stop/go commands. This fixes it and restores stop/go functionality. Fixes:ff6a17989c
("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>
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1 changed files with 2 additions and 1 deletions
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@ -224,7 +224,7 @@ void mconsole_go(struct mc_request *req)
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void mconsole_stop(struct mc_request *req)
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{
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deactivate_fd(req->originating_fd, MCONSOLE_IRQ);
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block_signals();
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os_set_fd_block(req->originating_fd, 1);
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mconsole_reply(req, "stopped", 0, 0);
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for (;;) {
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@ -247,6 +247,7 @@ void mconsole_stop(struct mc_request *req)
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}
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os_set_fd_block(req->originating_fd, 0);
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mconsole_reply(req, "", 0, 0);
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unblock_signals();
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}
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static DEFINE_SPINLOCK(mc_devices_lock);
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