Messages in this thread Patch in this message | | | Subject | [PATCH 19/19] UML - Make mconsole version requests happen in a process | Date | Thu, 06 Jul 2006 20:33:55 -0400 | From | Jeff Dike <> |
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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>
Index: linux-2.6.16/arch/um/drivers/mconsole_user.c =================================================================== --- linux-2.6.16.orig/arch/um/drivers/mconsole_user.c +++ linux-2.6.16/arch/um/drivers/mconsole_user.c @@ -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 }, - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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