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Summary of changes from v2.6.9-rc4 to v2.6.9
============================================
<[email protected]>
[PATCH] ACPI: check parameter for NULL
ACPI still explodes on my old PII and stops it booting.
Anyway, it is oopsing in drivers/acpi/scan.c line 207 where element
(which is NULL) gets dereferenced.
The ACPI bios on this thing has always seemed to be pretty broken, but
this at least allows the 'power' button to continue to work (the only
reason why I want ACPI).
<[email protected]>
[PATCH] megaraid 2.20.4: fix a data corruption bug
Fixes a data corruption issue. Because of a typo in the driver, IO packets
were wrongly shared by the IOCTL path. This caused the whole IO command
to be replaced by an incoming IOCTL command.
<[email protected]>
[PATCH] ppc64: one more explicit cmp instruction sizing
Signed-off-by: David Woodhouse <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] USB: corrected digi_acceleport 2.6.9-rc1 fix for hang on disconnect
- Fixed hang on disconnect in digi_acceleport USB serial driver.
See http://bugme.osdl.org/show_bug.cgi?id=2459. Close after
disconnect no longer tries to communicate with the device.
Signed-off-by: Al Borchers <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[PATCH] USB: "Lost sync on frames" error in konicawc module
From: <[email protected]>
http://bugme.osdl.org/show_bug.cgi?id=3286
The kernel keeps printing "Lost sync on frames" error messages as soon as a
program tries to access the webcam. No video data can be retrieved from
the webcam.
The following patch seems enough to solve the problem. (just inverting the
order at which the old and new data blocks are sent to the user).
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[PATCH] USB: EHCI SMP fix
This addresses an SMP-only issue with the EHCI driver, where only one CPU
should scan the schedule at a time (scanning is not re-entrant) but either
the IRQ handler or a watchdog timer could end up starting it. Many thanks
to Olaf Hering for isolating the failure mode, and testing this fix!
Once once CPU starts scanning, any other might as well finish right
away. This fix just adds a flag to detect that case.
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[PATCH] USB: Fix oops in usblp driver
This bug was reported back in July, and I sent out a patch but apparently
it never got to you. The usblp driver was calling usb_buffer_free() from
usblp_cleanup(), which runs after disconnect() if a user process holds the
device open. But once the usb_device is gone usb_buffer_free() will
oops. The patch frees the buffers in usb_disconnect() instead.
Recently Joost Witteveen reported the same oops and found that the
patch solved it for him. So there shouldn't be problems with accepting
it.
Signed-off-by: Alan Stern <[email protected]>
Signed-off-by: Vojtech Pavlik <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[PATCH] USB: net2280 updates
Net2280 patches to:
- Make reset logic ensure endpoint toggle and halt bits only get cleared
on endpoints other than ep0 to fix an extremely unlikely (but possible)
state when a setup packet come in after we've checked the reset status
but before calling ep_reset().
- Avoid a disconnect hang by exchanging SUSPEND_IMMEDIATELY (intended for
use when the 8051 is the PCI host) with SUSPEND_REQUEST_INTERRUPT to
suspend the NET2280.
- Make rmmod of gadget drivers trigger disconnect; earlier changes to
reset logic broke this.
Signed-off-by: Alex Sanks <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[PATCH] USB: Fix hiddev devfs oops
From: Herbert Xu <[email protected]>
There is a long-standing devfs_unregister oops in hid/hiddev. It's caused
by hid calling hiddev_exit before unregistering itself which in turn calls
hiddev_disconnect.
hiddev_exit removes the directory which contains the hiddev devices.
Therefore it needs to be called after the hiddev devices have been
disconnected.
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
[XFS] Fix up write_inode return type to use the right signedness.
SGI Modid: xfs-linux fs-kern:19632a
Signed-off-by: Nathan Scott <[email protected]>
<[email protected]>
[XFS] Fix regression when running in laptop mode, causes hangs on sync.
SGI Modid: xfs-linuxfs-kern:19744a
Signed-off-by: Nathan Scott <[email protected]>
<[email protected]>
[XFS] fix a freeze/thaw deadlock
Signed-off-by: Nathan Scott <[email protected]>
<[email protected]>
[PATCH] time interpolator fixes
- Remove the setting of CLOCK_REALTIME and CLOCK_MONOTONIC resolution
according to the interpolator resolution since this causes periodic timer
signals to fail. The clocks will still be high-resolution but the
"resolution" reported reflects the timer intervals possible via
timer_settime (also more conformant to what the Single Unix Specification
says).
- Make the IA64 clock_gettime fastcall fall back on negative clock
numbers instead of returning CLOCK_REALTIME.
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] fix oops in fork() cleanup path
It will oops on an error path if the thread being forked is a process with
a NULL mm.
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] revert writeback threshold changes
The post-2.6.8 recent tweaks to the page writeback thresholding code seems to
be doing the wrong thing for small unmapped_ratios - nathans had a few
problems with it. The problem it was trying to fix is minor and fairly
theoretical anyway, so back it out to the old code.
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] m32r: fix syscall table
This patch fixes the system call table for m32r.
The latest kernel cannot be linked for m32r, because the following
experimental syscalls doesn't exist in the prepatch kernel of bk-tree.
* include/asm-m32r/unistd.h:
- Remove syscalls from #285(perfctr_info) to #293(keyctl).
* arch/m32r/kernel/entry.S: ditto.
Signed-off-by: Hirokazu Takata <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] m32r: remove obsolete system calls
This patch is for removing obsolete system calls from m32r kernel, such as
old_mmap and old_select.
* arch/m32r/kernel/entry.S:
- Remove an obsolete system call, old_mmap, from the syscall table.
* arch/m32r/kernel/sys_m32r.c:
- Remove obsolete system calls, old_mmap() and old_select().
- do_mmap2() is renamed to sys_mmap2().
* CAUTION (for m32r users):
The new kernel (applied this patch) does not have a backward
compatibility. The new kernel and old library pair does not work.
So, those who want to use the new kernel must use a new version of
glibc (the GNU C library), which uses the "mmap2(_NR_mmap2)" syscall
for __mmap() instead of the "old_mmap(__NR_mmap)".
The new glibc package, libc6_2.3.2.ds1-16.0.3_m32r.deb, is provided
on the following site, please apt-get/download it and upgrade.
http://debian.linux-m32r.org/dists/03_cambrian/main/binary-m32r/
Signed-off-by: Hirokazu Takata <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] cyber2000: fix init/exit section confusion
- cyberpro_free_fb_info() is called by both __devinit & __devexit code,
so it cannot be __devinit.
- igs_regs[] is used by resume code (indirectly), so it cannot be
discardable.
This leaves one reference in cyber2000fb that 'make buildcheck' complains
about, but I believe that it's OK, that being ".probe" here:
static struct pci_driver cyberpro_driver =
{
.name = "CyberPro",
.probe = cyberpro_pci_probe,
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ptep_establish smp race x86 PAE >4G
This avoid userspace mm corruption during COWs with threads (i.e.
malloc;fork;clone) on x86 PAE with >4G of ram
Signed-Off-By: Andrea Arcangeli <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] Fix oops in parkbd
parkbd - zero-fill allocated serio structure to prevent Oops when
registering port.
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] auth_domain_lookup fix
This patch makes sure that auth_domain_lookup returns NULL when it doesn't
find a matching entry, rather than the last entry in the hash chain.
Signed-off-by: Olaf Kirch <[email protected]>
Acked-by: Neil Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] Fix MTD build error for Lubbock map driver
Without this patch, Lubbock is pretty unusable in current 2.6.9-rc4. The
same fix already present in the MTD CVS.
Signed-off-by: Nicolas Pitre <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] Fix reporting of process start times
Derive process start times from the posix_clock_monotonic notion of uptime
instead of "jiffies", consistent with the earlier change to /proc/uptime
itself.
(http://linus.bkbits.net:8080/linux-2.5/cset@3ef4851dGg0fxX58R9Zv8SIq9fzNmQ?na%0Av=index.html|src/.|src/fs|src/fs/proc|related/fs/proc/proc_misc.c)
Process start times are reported to userspace in units of 1/USER_HZ since
boot, thus applications as procps need the value of "uptime" to convert
them into absolute time.
Currently "uptime" is derived from an ntp-corrected time base, but process
start time is derived from the free-running "jiffies" counter. This
results in inaccurate, drifting process start times as seen by the user,
even if the exported number stays constant, because the users notion of
"jiffies" changes in time.
It's John Stultz's patch anyways, which I only messed up a bit, but since
people started trading signed-off lines on lkml:
Signed-off-by: Tim Schmielau <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] SELinux: retain ptracer SID across fork
This fixes a bug in SELinux to retain the ptracer SID (if any) across fork.
Otherwise, SELinux will always deny attempts by traced children to exec
domain-changing programs even if the policy would have allowed the tracer
to trace the new domains as well.
Signed-off-by: Stephen Smalley <[email protected]>
Signed-off-by: James Morris <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] SELinux: fix bugs in mprotect hook
The patch below by Roland McGrath fixes two bugs in the implementation of
the selinux_file_mprotect hook:
It calls selinux_file_mmap, which has two problems. First, the stacked
security module will get both mmap and mprotect callbacks for an
mprotect call, which is wrong. Secondly, the vm_flags value contains
VM_* bits, and these do not match the MAP_* bits of the same name or
function, so it passes bogus flags and causes every mprotect to be
treated as if MAP_SHARED were in use.
The patch shares the common code while not having one function call the
other, and fixes these two bugs.
Signed-off-by: James Morris <[email protected]>
Signed-off-by: Roland McGrath <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: don't declare cpu_online - fix compilation error
Avoid redeclaring again (resulting in a compilation error) cpu_online and
cpu_*_map, which are now declared elsewhere.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: fix wrong type for rb_entry call
With the type-safe rb_entry (based on container_of, I sent it) I discovered
this type error, so I've fixed it.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: fix warning for unused var
That var is used only when CONFIG_UML_REAL_TIME_CLOCK is on, so #ifdef its
definition.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: finish update for 2.6.8 API changes
Add some updates for API changes in 2.6.8 which were not included in the
original UML patch; these fixes were detected by some warnings, so I probably
missed some more ones.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: fix an "unused" warnings
Fixes some random warnings. To avoid "defined but not used" for
not_configged_ops, make it be defined only if at least one channel is not
defined.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: export more Symbols
Adds a lot more EXPORT_SYMBOLS calls.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: Set cflags before including arch Makefile
If arch/$(ARCH)/Makefile is included before adding -O2 (and the rest) to
CFLAGS, I must duplicate the addition of it to USER_CFLAGS for UML. So let's
fix this. Also, the below code is useless, since if CONFIG_DEBUG_INFO is y,
then CONFIG_FRAME_POINTER is always y.
ifeq ($(CONFIG_DEBUG_INFO),y)
CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS))
endif
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: force using /bin/bash for building
This forces make to use bash rather than whatever /bin/sh is linked to.
Without this, since there are some bash extensions used in the build and when
/bin/sh isn't bash, then the build fails without a clear error message.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: no extraversion in arch/um/Makefile for mainline
Extraversion in arch/um/Makefile is not needed in mainline, but just for
separate patches; also, they should set it in the main Makefile, not elsewhere
(Jeff Garzik has just complained). Also remove the dependency from version.h
on arch/um/Makefile: it was added because arch/um/Makefile could change the
kernel version number.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: Single Linking Step for vmlinux
Uml-specific patch (which requires a mainline hook, mailed separately).
This patch avoid the linking kludge which leaves kbuild link vmlinux and then
link it with libc inside linux. This kludge has the big problem of making
kallsyms break, since the kallsyms pass is done on a completely
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: make -j fix
Makes the UML build system work well even under parallel make (tested, so far,
even with -j50). Please notice that it must be updated for every makefile
change. Or better, every makefile change must use correct dependencies (and
they are easy to miss).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: update makefile to new kbuild API names
Drop the usage of check_gcc and host-progs, and use their new names. A
must-have :-).
Oh, and it will create lots of serious problems - it will give me your root
account! Yes, you don't see the code in the patch, but it happens! :-)))
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: kbuild - add even more cleaning
Remove one more symlink when doing
make mrproper ARCH=um
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: mark broken configs
Some configuration options are known not to compile. So then make them depend
on CONFIG_BROKEN.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: fix ubd deadlock on SMP
From: BlaisorBlade <[email protected]>, Chris Wright <[email protected]>
Avoid deadlocking onto the request lock in the UBD driver, i.e. don't lock
the queue spinlock when called from the request function.
In detail:
Rename ubd_finish() to __ubd_finish() and remove ubd_io_lock from it. Add
wrapper, ubd_finish(), which grabs lock before calling __ubd_finish(). Update
do_ubd_request to use the lock free __ubd_finish() to avoid deadlock. Also,
apparently prepare_request is called with ubd_io_lock held, so remove locks
there.
Signed-off-by: Chris Wright <[email protected]>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: use always a separate io thread for UBD
Currently, ubd=sync is different from replacing ubd#= with ubd#s=. This is
against Principle of Least Surprise, so remove this difference.
Also the current ubd=sync behaviour is completely useless: it is to make sure
that when the kernel has synched its I/O to the virtual disk, the host does
not invalidate this with his caching; this causes ReiserFS corruption.
But since actually we call end_request() only after the io_thread has done its
work, we never lie to the block layer. Using O_SYNC as we do when replacing
ubd#= with ubd#s= is enough.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] uml: fix critical IP checksum corruption
From: Lars Ellenberg <[email protected]>
Add a memory barrier to the assembly checksum code - the code was copied
straight from the i386 one, and the patch resyncs the code with the
original. I'll check if the original code can be included directly (i.e.
"#include") after 2.6.9.
Without this patch, every 2.6 UML release corrupts the checksum of every
UDP fragmented packet with size >= MTU (verified by various people, we all
agree on this issue; nobody reported "Works fine here"). The corrupted
packets are not accepted, thus blocking any kind of communication with
large-sized UDP packets.
In fact, I've even dissected the UML -> host traffic before and after this
patch with Ethereal - and it always reported an incorrect checksum for
fragmented UDP packets before and always correct after applying the patch.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] H8/300 some error/warning fix
Signed-off-by: Yoshinori Sato <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
Fix threaded user page write memory ordering
Make sure we order the writes to a newly created page
with the page table update that potentially exposes the
page to another CPU.
This is a no-op on any architecture where getting the
page table spinlock will already do the ordering (notably
x86), but other architectures can care.
<[email protected]>
Take the whole PCI bus range into account when scanning PCI bridges.
A bridge that has been set up by firmware to cover multiple PCI
buses but doesn't actually have anything connected behind some of
them caused us to use the incorrect maxmimum bus number span when
scanning the bridge chip.
Problem reported by Tim Saunders, with Russell King suggesting
the fix.
<[email protected]>
[PATCH] PCI Hotplug: rpaphp safe list traversal
Hoping you will accept this fix. The bug can cause a crash upon hotplug
remove. The bug involves unsafe traversal of a list while deleting list
members. The fix uses list_for_each_safe() rather than
list_for_each(). Also threw in an initialization to get rid of a
compiler warning.
Signed-off-by: John Rose <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
<[email protected]>
Linux 2.6.9-final
Let's try the 2.4.x release methodology
<[email protected]>
[PATCH] ext3 direct io assert fix
Fix bug identified by Badari Pulavarty <[email protected]>
Local variable `handle' will become stale if ext3_direct_io_get_blocks()
closes off the current transaction and starts a new one. This causes a BUG in
journal_stop().
So reacquire the handle from *current after performing the I/O.
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ppc64: Split iomap implementation & eeh !
Nowadays, it's possible to build CONFIG_PPC_PMAC without CONFIG_PPC_PSERIES,
in which case, eeh will not be included in the build (and the eeh checks are
turned into no-ops). However, we then "lose" the iomap functions. This patch
moves them to a separate file.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ppc32: Add "native" iomap interfaces
This patch adds proper ppc32 "iomap" interfaces.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ppc64: fix some issues with mem_reserve
I found a couple of issues with reserve_mem:
- If we try and mem_reserve something of zero length, everything
reserved after it would get ignored. This is because early_reserve_mem
sees a zero length as a terminator.
- The code rounded the top down instead of up.
Signed-off-by: Anton Blanchard <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] joydump needs gameport
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ppc64: more issues with mem_reserve
As Milton noticed, Anton actually broke the logic if the memory isn't
aligned in the first place. Sorry about this mess for such a little
piece of code. This _really_ fixes is it all
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] intel_agp: dangling devexit reference
Fix error found by 'scripts/reference_discarded.pl':
Error: ./drivers/char/agp/intel-agp.o .data refers to 00000914 R_386_32 .exit.text
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] tailcall prevention in sys_wait4() and sys_waitid()
A hack to prevent the compiler from generatin tailcalls in these two
functions.
With CONFIG_REGPARM=y, the tailcalled code ends up stomping on the
syscall's argument frame which corrupts userspace's registers.
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] swsusp: fix x86-64 - do not use memory in copy loop
In assembly code, there are some problems with "nosave" section (linker was
doing something stupid, like duplicating the section). We attempted to fix
it, but fix was worse then first problem. This fixes is for good: We no
longer use any memory in the copy loop. (Plus it fixes indentation and
uses meaningful labels.)
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] kswapd lockup fix
Fix some bugs in the kswapd logic which can cause kswapd lockups.
The balance_pgdat() logic is supposed to cause kswapd to loop across all zones
in the node until each zone either
a) has enough pages free or
b) is deemed to be in an "all pages unreclaimable" state.
In the latter case, we just give the zone a light scan on each balance_pgdat()
scan and wait for the zone to come back to life again.
But the zone->all_unreclaimable logic is broken - if the zone has no pages on
the LRU at all, we perform no scanning of that zone (of course). So the
zone->pages_scanned is not incremented and the expression
if (zone->pages_scanned > zone->present_pages * 2)
zone->all_unreclaimable = 1;
never is satisfied.
The patch changes that logic to
if (zone->pages_scanned >= (zone->nr_active +
zone->nr_inactive) * 4)
zone->all_unreclaimable = 1;
so if the zone has no LRU pages it will still enter the all_unreclaimable
state.
Another problem is that if the zone has no LRU pages we will tell
shrink_slab() that we scanned zero LRU pages. This causes shrink_slab() to
scan zero slab objects, which is obviously wrong. So change shrink_slab() to
perform a decent chunk of slab scanning in this situation.
And put a cond_resched() into the balance_pgdat() outer loop. Probably
unnecessary, but that's what Jeff had in place when he confirmed that this
patch fixed the lockup 
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] ppc64: fix smp_startup_cpu for cpu hotplug
This change is needed in order to allow cpus to be onlined after
boot. This used to work but the declaration of
pseries_secondary_smp_init in this file was changed in Ben's big
cleanup patch a while back, so the cpu would start at a bad address.
Signed-off-by: Nathan Lynch <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] Fix NFS3 krb5 clients on x86-64
This patch is necessary to make NFS3 krb5 clients work on x86-64.
ACK'ed by Trond
Signed-off-by: Mark Goodman <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] security issue in firmware system
The firmware loader has a security issue. Firmware on some devices can
write to all memory through DMA. Therefore the ability to feed firmware
to the kernel is equivalent to writing to /dev/kmem. CAP_SYS_RAWIO is
needed to protect itself.
[ Editors note: the firmware file is 0644, and owned by root, so this
"security issue" is really only an issue for people who use
capabilities explicitly, rather than the regular Unix permissions.
This patch makes it do the same checks we do for /dev/mem etc. ]
Signed-Off-By: Oliver Neukum <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] unbalanced locking in MTD Intel chip driver
This obvious missing unlock is screwing the preemption count.
Fix was applied to MTD CVS already.
Signed-off-by: Nicolas Pitre <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] Duh. _Really_ unbalanced locking in MTD Intel chip driver
I apparently can't copy simple obvious fixes by hand.
Signed-off-by: Nicolas Pitre <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
[PATCH] USB: handle NAK packets in input devices.
Andrew requested this fix go in before 2.6.9 was out, to keep people's
syslog quiet for a lot of different USB input devices.
Fixes bug bugzilla.kernel.org bug #3564
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
<[email protected]>
Linux 2.6.9 |
|
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发表于 2004-10-19 09:12:47
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发表于 2004-10-19 18:57:27