16 May, 2008
12 commits
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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] macintosh: Replace deprecated __initcall with device_initcall
[POWERPC] cell: Fix section mismatches in io-workarounds code
[POWERPC] spufs: Fix compile error
[POWERPC] Fix uninitialized variable bug in copy_{to|from}_user
[POWERPC] Add null pointer check to of_find_property
[POWERPC] vmemmap fixes to use smaller pages
[POWERPC] spufs: Fix pointer reference in find_victim
[POWERPC] 85xx: SBC8548 - Add flash support and HW Rev reporting
[POWERPC] 85xx: Fix some sparse warnings for 85xx MDS
[POWERPC] 83xx: Enable DMA engine on the MPC8377 MDS board.
[POWERPC] 86xx: mpc8610_hpcd: fix second serial port
[POWERPC] 86xx: mpc8610_hpcd: add support for NOR and NAND flashes
[POWERPC] 85xx: Add 8568 PHY workarounds to board code
[POWERPC] 86xx: mpc8610_hpcd: use ULI526X driver for on-board ethernet -
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
jbd2: update transaction t_state to T_COMMIT fix
ext4: Retry block allocation if new blocks are allocated from system zone.
ext4: mballoc fix mb_normalize_request algorithm for 1KB block size filesystems
ext4: fix typos in messages and comments (journalled -> journaled)
ext4: fix synchronization of quota files in journal=data mode
ext4: Fix mount messages when quota disabled
ext4: correct mount option parsing to detect when quota options can be changed -
This patch fixes a build bug on m68k - gcc decides to emit a call to the
strlen library function, which we don't implement.More importantly - my previous patch "init: don't lose initcall return
values" (commit e662e1cfd434aa234b72fbc781f1d70211cb785b) had introduced
potential buffer overflow by wrong calculation of string accumulator
size.Use strlcat() instead, fixing both bugs.
Many thanks Andreas Schwab and Geert Uytterhoeven for helping
to catch and fix the bug.Signed-off-by: Cyrill Gorcunov
Cc: Geert Uytterhoeven
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds -
One function to just loop over the entries, one function to actually do
the call and the associated debugging code.Signed-off-by: Linus Torvalds
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Everybody wants to pass it a function pointer, and in fact, that is what
you _must_ pass it for it to make sense (since it knows that ia64 and
ppc64 use descriptors for function pointers and fetches the actual
address from there).So don't make the argument be a 'unsigned long' and force everybody to
add a cast.Signed-off-by: Linus Torvalds
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* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] fix personality(PER_LINUX32) performance issue
[IA64] Properly unregister legacy interrupts
[IA64] Remove NULL pointer check for argument never passed as NULL.
[IA64] trivial cleanup for perfmon.c
[IA64] trivial cleanup for entry.S
[IA64] fix interrupt masking for pending works on kernel leave
[IA64] allow user to force_pal_cache_flush
[IA64] Don't reserve crashkernel memory > 4 GB
[IA64] machvec support for SGI UV platform
[IA64] Add header files for SGI UV platform -
Updating the current transaction's t_state is protected by j_state_lock. We
need to do the same when updating the t_state to T_COMMIT.Acked-by: Jan Kara
Signed-off-by: Mingming Cao
Signed-off-by: "Theodore Ts'o"
Signed-off-by: Andrew Morton -
If the block allocator gets blocks out of system zone ext4 calls
ext4_error. But if the file system is mounted with errors=continue
retry block allocation. We need to mark the system zone blocks as
in use to make sure retry don't pick them againSystem zone is the block range mapping block bitmap, inode bitmap and inode
table.Signed-off-by: Aneesh Kumar K.V
Signed-off-by: Mingming Cao
Signed-off-by: "Theodore Ts'o" -
Enabling the BKL to be lockdep tracked uncovered the following
upstream kernel bug in the tty code, which caused a BKL
reference leak:================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
dmesg/3121 is leaving the kernel with locks still held!
1 lock held by dmesg/3121:
#0: (kernel_mutex){--..}, at: [] opost+0x24/0x194this might explain some of the atomicity warnings and crashes
that -tip tree testing has been experiencing since the BKL
was converted back to a spinlock.Signed-off-by: Ingo Molnar
Signed-off-by: Linus Torvalds -
The patch aims to fix a performance issue for the syscall
personality(PER_LINUX32).On IA-64 box, the syscall personality (PER_LINUX32) has poor performance
because it failed to find the Linux/x86 execution domain. Then it tried
to load the kernel module however it failed always and it used the default
execution domain PER_LINUX instead. Requesting kernel modules is very
expensive. It caused the performance issue. (see the function
lookup_exec_domain in kernel/exec_domain.c).To resolve the issue, execution domain Linux/x86 is always registered in
initialization time for IA-64 architecture.Signed-off-by: Xiaolan Huang
Signed-off-by: Tony Luck -
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] show_interrupts: prevent cpu hotplug when walking cpu_online_map.
[S390] smp: __smp_call_function_map vs cpu_online_map fix.
[S390] tape: Use ccw_dev_id to build cdev_id.
[S390] dasd: fix timeout handling in interrupt handler
[S390] s390dbf: Use const char * for dbf name.
[S390] dasd: Use const in busid functions.
[S390] blacklist.c: removed duplicated include
[S390] vmlogrdr: module initialization function should return negative errors
[S390] sparsemem vmemmap: initialize memmap.
[S390] Remove last traces of cio_msg=.
[S390] cio: Remove CCW_CMD_SUSPEND_RECONN in front of CCW_CMD_SET_PGID. -
* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
arch/parisc/kernel/perf_asm.S: build fix
parisc: remove -traditional from assembler flags
parisc: use conditional macro for 64-bit wide ops
parisc: Remove ioctl.h content picked up from .
arch/parisc/kernel/unaligned.c: use time_* macros
parisc: remove redundant display of free swap space in show_mem()
drivers/parisc: replace remaining __FUNCTION__ occurrences
parisc: replace remaining __FUNCTION__ occurrences
parisc: new termios definitions
parisc: fix trivial section name warnings
15 May, 2008
28 commits
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Missing header for __HEAD macro.
Signed-off-by: Kyle McMartin
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Signed-off-by: Kyle McMartin
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This work enables us to remove -traditional from $AFLAGS on
parisc.Signed-off-by: Kyle McMartin
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Now that allows overriding of the most commonly
changed macro values, take advantage of that.Signed-off-by: Robert P. J. Day
Signed-off-by: Kyle McMartin -
Surround all the code withing show_interrupts() with
get/put_online_cpus() to prevent strange results wrt cpu hotplug.Signed-off-by: Heiko Carstens
Signed-off-by: Martin Schwidefsky -
Both smp_call_function() and __smp_call_function_map() access
cpu_online_map. Both functions run with preemption disabled which
protects for cpus going offline. However new cpus can be added and
therefore the cpu_online_map can change unexpectedly.
So use the call_lock to protect against changes to the cpu_online_map
in start_secondary() and all smp_call_* functions.Signed-off-by: Heiko Carstens
Signed-off-by: Martin Schwidefsky -
To construct the integer containing the information from the bus_id,
it is easier to use the data from ccw_dev_id than to parse the bus_id.Signed-off-by: Cornelia Huck
Signed-off-by: Martin Schwidefsky -
When the dasd_int_handler is called with an error code instead of
an irb, the associated request should be restarted. This handling
was missing from the -ETIMEDOUT case. In fact it should be done in
any case.Signed-off-by: Stefan Weinhuber
Signed-off-by: Martin Schwidefsky -
We should use const char * for passing the name of the debug feature
around since it will not be changed.Signed-off-by: Cornelia Huck
Signed-off-by: Martin Schwidefsky -
We should use 'const char *' in the busid functions since the
strings are not modified anyway.Signed-off-by: Cornelia Huck
Signed-off-by: Martin Schwidefsky -
Removed duplicated include
in drivers/s390/cio/blacklist.c.Signed-off-by: Huang Weiyi
Signed-off-by: Martin Schwidefsky -
Signed-off-by: Marcin Slusarz
Signed-off-by: Martin Schwidefsky -
Let's just use the generic vmmemmap_alloc_block() function which
always returns initialized memory.Cc: Gerald Schaefer
Signed-off-by: Heiko Carstens
Signed-off-by: Martin Schwidefsky -
cio_msg= is gone, also remove it from kernel-parameters.txt.
Signed-off-by: Cornelia Huck
Signed-off-by: Martin Schwidefsky -
CCW_CMD_SUSPEND_RECONN causes a system hang if the cable of a
reserved DASD is disconnected and connected again.Signed-off-by: Michael Ernst
Signed-off-by: Martin Schwidefsky -
The functions time_before, time_before_eq, time_after, and time_after_eq are
more robust for comparing jiffies against other values.So use the time_after() macro, defined in linux/jiffies.h, which deals with
wrapping correctl[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: S.Caglar Onur
Cc: Kyle McMartin
Cc: Matthew Wilcox
Cc: Grant Grundler
Signed-off-by: Andrew Morton
Signed-off-by: Kyle McMartin -
show_mem() has no need to print the amount of free swap space manually because
show_free_areas() does this already and is called by the former.The two outputs only differ in text formatting:
printk("Free swap = %lukB\n", ...);
printk("Free swap: %6ldkB\n", ...);Signed-off-by: Johannes Weiner
Cc: Kyle McMartin
Cc: Matthew Wilcox
Cc: Grant Grundler
Signed-off-by: Andrew Morton
Signed-off-by: Kyle McMartin -
__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison
Cc: Kyle McMartin
Cc: Matthew Wilcox
Cc: Grant Grundler
Signed-off-by: Andrew Morton
Signed-off-by: Kyle McMartin -
__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison
Cc: Kyle McMartin
Cc: Matthew Wilcox
Cc: Grant Grundler
Signed-off-by: Andrew Morton
Signed-off-by: Kyle McMartin -
Signed-off-by: Alan Cox
Cc: Kyle McMartin
Cc: Grant Grundler
Cc: Matthew Wilcox
Signed-off-by: Andrew Morton
Signed-off-by: Kyle McMartin -
This trivial patch fixes the following section warnings on PARISC:
> WARNING: vmlinux.o (.text.1): unexpected section name.
>The (.[number]+) following section name are ld generated and not expected.
> Did you forget to use "ax"/"aw" in a .S file?
> Note that for example contains
> section definitions for use in .S files.Signed-off-by: Helge Deller
Signed-off-by: Kyle McMartin -
Signed-off-by: Robert P. J. Day
Acked-by: Benjamin Herrenschmidt
Signed-off-by: Andrew Morton
Signed-off-by: Paul Mackerras -
Fix following warnings:
WARNING: arch/powerpc/platforms/cell/built-in.o(.devinit.text+0x9c): Section mismatch in reference from the function .cell_setup_phb() to the function .init.text:.iowa_register_bus()
WARNING: arch/powerpc/platforms/cell/built-in.o(.devinit.text+0xa4): Section mismatch in reference from the function .cell_setup_phb() to the function .init.text:.io_workaround_init()Signed-off-by: Kou Ishizaki
Signed-off-by: Paul Mackerras -
With CONFIG_VIRT_CPU_ACCOUNTING disabled, I got the following error:
linux-2.6/arch/powerpc/platforms/cell/spufs/file.c: In function 'spu_switch_log_notify':
linux-2.6/arch/powerpc/platforms/cell/spufs/file.c:2542: error: implicit declaration of function 'get_tb'
make[4]: *** [arch/powerpc/platforms/cell/spufs/file.o] Error 1Signed-off-by: FUJITA Tomonori
Signed-off-by: Paul Mackerras -
Calls to copy_to_user() or copy_from_user() can fail when copying N
bytes, where N is a constant less than 8, but not 1, 2, 4, or 8,
because 'ret' is not initialized and is only set if the size is 1,
2, 4 or 8, but is tested after the switch statement for any constant
size
Signed-off-by: Nate Case
Signed-off-by: Paul Mackerras -
Update function of_find_property() to return NULL if the device_node
passed to it is also NULL. Otherwise, passing NULL will cause a null
pointer dereference.Without this, the legacy_serial driver will crash if there's no
'chosen' node in the device tree.Signed-off-by: Timur Tabi
Signed-off-by: Paul Mackerras -
This changes vmemmap to use a different region (region 0xf) of the
address space, and to configure the page size of that region
dynamically at boot.The problem with the current approach of always using 16M pages is that
it's not well suited to machines that have small amounts of memory such
as small partitions on pseries, or PS3's.In fact, on the PS3, failure to allocate the 16M page backing vmmemmap
tends to prevent hotplugging the HV's "additional" memory, thus limiting
the available memory even more, from my experience down to something
like 80M total, which makes it really not very useable.The logic used by my match to choose the vmemmap page size is:
- If 16M pages are available and there's 1G or more RAM at boot,
use that size.
- Else if 64K pages are available, use that
- Else use 4K pagesI've tested on a POWER6 (16M pages) and on an iSeries POWER3 (4K pages)
and it seems to work fine.Note that I intend to change the way we organize the kernel regions &
SLBs so the actual region will change from 0xf back to something else at
one point, as I simplify the SLB miss handler, but that will be for a
later patch.Signed-off-by: Paul Mackerras
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If victim (not ctx) is in spu_run, add victim to rq.
Signed-off-by: Luke Browning
Acked-by: Christoph Hellwig
Signed-off-by: Paul Mackerras
