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| author | Jeff Dike <jdike@addtoit.com> | 2006-07-10 04:45:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-10 13:24:24 -0700 |
| commit | 2d77f6fcf841261796f01cba19b4ea1ad8713936 (patch) | |
| tree | 4a6d2cc0d241c408d0b65b1a5aead845d8072caa /arch/um | |
| parent | 03a3f824eae944e9d3649cbccf874e7fbe228477 (diff) | |
| download | kernel_samsung_smdk4412-2d77f6fcf841261796f01cba19b4ea1ad8713936.zip kernel_samsung_smdk4412-2d77f6fcf841261796f01cba19b4ea1ad8713936.tar.gz kernel_samsung_smdk4412-2d77f6fcf841261796f01cba19b4ea1ad8713936.tar.bz2 | |
[PATCH] uml: make mconsole version requests happen in a process
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>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/drivers/mconsole_user.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 4b109fe..9bfd405 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/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 }, |