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[PATCH] uml: make mconsole version requests happen in a process

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Handling a host mconsole version request must be done in a process context
rather than interrupt context now that utsname information can be
process-specific rather than global.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2006-07-10 04:45:16 -07:00 committed by Linus Torvalds
parent 03a3f824ea
commit 2d77f6fcf8
1 changed files with 6 additions and 1 deletions
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7
arch/um/drivers/mconsole_user.c
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@ -18,7 +18,12 @@
#include "umid.h"
static struct mconsole_command commands[] = {
{ "version", mconsole_version, MCONSOLE_INTR },
/* With uts namespaces, uts information becomes process-specific, so
* we need a process context. If we try handling this in interrupt
* context, we may hit an exiting process without a valid uts
* namespace.
*/
{ "version", mconsole_version, MCONSOLE_PROC },
{ "halt", mconsole_halt, MCONSOLE_PROC },
{ "reboot", mconsole_reboot, MCONSOLE_PROC },
{ "config", mconsole_config, MCONSOLE_PROC },