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authorJeff Dike2007-12-01 21:16:30 +0100
committerLinus Torvalds2007-12-03 17:13:17 +0100
commitce3b642d42f36406112ab474c03d81c5941d9398 (patch)
tree76a3c469248217a1d2e1648f749ad93864fe2856 /MAINTAINERS
parentuml: after_sleep_interval should return something (diff)
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uml: work around host tcsetattr bug
Under the conditions that UML uses it, tcgetattr is guaranteed to return -EINTR when the console is attached to /dev/ptmx, making generic_console_write hang because it loops, calling tcgetattr until it succeeds. This is a host bug - see http://marc.info/?l=linux-kernel&m=119618990807182&w=2 for the details. This patch works around it by blocking SIGIO while the terminal attributes are being fiddled. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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