The patch titled
UML: tty locking
has been added to the -mm tree. Its filename is
uml-tty-locking.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: UML: tty locking
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Ensure current->signal->tty doesn't get freed during log_exec().
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/um/kernel/exec.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -puN arch/um/kernel/exec.c~uml-tty-locking arch/um/kernel/exec.c
--- a/arch/um/kernel/exec.c~uml-tty-locking
+++ a/arch/um/kernel/exec.c
@@ -41,9 +41,11 @@ static long execve1(char *file, char __u
long error;
#ifdef CONFIG_TTY_LOG
- task_lock(current);
+ mutex_lock(&tty_mutex);
+ task_lock(current); /* FIXME: is this needed ? */
log_exec(argv, current->signal->tty);
task_unlock(current);
+ mutex_unlock(&tty_mutex);
#endif
error = do_execve(file, argv, env, ¤t->thread.regs);
if (error == 0){
_
Patches currently in -mm which might be from alan@xxxxxxxxxxxxxxxxxxx are
optical-proc-ide-media.patch
sis5513-add-sis-south-bridge-id-0x966.patch
git-libata-all.patch
libata-add-40pin-short-cable-support-honour-drive.patch
1-of-2-jmicron-driver.patch
1-of-2-jmicron-driver-fix.patch
2-of-2-jmicron-driver-plumbing-and-quirk.patch
non-libata-driver-for-jmicron-devices.patch
via-pata-controller-xfer-fixes.patch
via-pata-controller-xfer-fixes-fix.patch
megaraid-gcc-41-warning-fix.patch
voyager-tty-locking.patch
uml-tty-locking.patch
edac-new-opteron-athlon64-memory-controller-driver.patch
edac-new-opteron-athlon64-memory-controller-driver-tidy.patch
sanitize-3c589_cs.patch
make-prot_write-imply-prot_read.patch
remove-unused-tty_struct-variable.patch
there-is-no-devfs-there-has-never-been-a-devfs-we-have.patch
tty-locking-on-resize.patch
ahci-ati-sb600-sata-support-for-various-modes.patch
atiixp-ati-sb600-ide-support-for-various-modes.patch
dquot-add-proper-locking-when-using-current-signal-tty.patch
tty-trivial-kzalloc-opportunity.patch
tty-lock-ticogwinsz.patch
tty-stop-the-tty-vanishing-under-procfs-access.patch
exit-fix-crash-case.patch
tty-make-termios_sem-a-mutex.patch
tty-make-termios_sem-a-mutex-fix.patch
solaris-emulation-incorrect-tty-locking.patch
tty-fix-bits-and-note-more-bits-to-fix.patch
build-sound-sound_firmwarec-only-for-oss.patch
build-sound-sound_firmwarec-only-for-oss-doc.patch
generic_serial-remove-private-decoding-of-baud-rate-bits.patch
istallion-remove-private-baud-rate-decoding-which-is.patch
specialix-remove-private-speed-decoding.patch
fix-locking-for-tty-drivers-when-doing-urgent-characters.patch
audit-accounting-tty-locking.patch
support-piping-into-commands-in-proc-sys-kernel-core_pattern.patch
support-piping-into-commands-in-proc-sys-kernel-core_pattern-fix-2.patch
ide-claim-extra-dma-ports-regardless-of-channel.patch
ide-always-release-dma-engine.patch
ide-error-handling-fixes.patch
ide-hpt3xxn-clocking-fixes.patch
ide-fix-hpt37x-timing-tables.patch
ide-optimize-hpt37x-timing-tables.patch
ide-fix-hpt3xx-hotswap-support.patch
ide-fix-the-case-of-multiple-hpt3xx-chips-present.patch
ide-hpt3xx-fix-pci-clock-detection.patch
ide-hpt3xx-fix-pci-clock-detection-fix-2.patch
piix-fix-82371mx-enablebits.patch
piix-remove-check-for-broken-mw-dma-mode-0.patch
piix-slc90e66-pio-mode-fallback-fix.patch
make-number-of-ide-interfaces-configurable.patch
ide_dma_speed-fixes.patch
hpt3xx-rework-rate-filtering.patch
hpt3xx-rework-rate-filtering-tidy.patch
hpt3xx-print-the-real-chip-name-at-startup.patch
hpt3xx-switch-to-using-pci_get_slot.patch
hpt3xx-cache-channels-mcr-address.patch
hpt3x7-merge-speedproc-handlers.patch
hpt370-clean-up-dma-timeout-handling.patch
enable-cdrom-dma-access-with-pdc20265_old.patch
ide-fix-revision-comparison-in-ide_in_drive_list.patch
ide-backport-piix-fixes-from-libata-into-the-legacy-driver.patch
hpt3xx-init-code-rewrite.patch
move-ide-to-unmaintained-drop-reference-to-old-git-tree.patch
drivers-ide-cleanups.patch
ide-remove-dma_base2-field-from-ide_hwif_t.patch
ide-reprogram-disk-pio-timings-on-resume.patch
config_pm=n-slim-drivers-ide-pci-sc1200c.patch
ide-fix-crash-on-repeated-reset.patch
sstfb-clean-ups.patch
pci_module_init-convertion-in-ata_genericc.patch
pci_module_init-convertion-in-ata_genericc-fix.patch
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