08 Jan, 2010
1 commit
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The fallback code in cipher mode touch the union fallback.blk instead
of fallback.cip. This is wrong because we use the cipher and not the
blockcipher. This did not show any side effects yet because both types /
structs contain the same element right now.Signed-off-by: Roel Kluin
Signed-off-by: Sebastian Andrzej Siewior
Signed-off-by: Herbert Xu
19 Dec, 2009
1 commit
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Signed-off-by: Alessandro Rubini
Acked-by: Andrea Gallo
Acked-by: Matt Mackall
Signed-off-by: Herbert Xu
18 Dec, 2009
9 commits
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…/rusty/linux-2.6-for-linus
* 'cpumask-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
cpumask: rename tsk_cpumask to tsk_cpus_allowed
cpumask: don't recommend set_cpus_allowed hack in Documentation/cpu-hotplug.txt
cpumask: avoid dereferencing struct cpumask
cpumask: convert drivers/idle/i7300_idle.c to cpumask_var_t
cpumask: use modern cpumask style in drivers/scsi/fcoe/fcoe.c
cpumask: avoid deprecated function in mm/slab.c
cpumask: use cpu_online in kernel/perf_event.c -
…/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
OMAP3: serial - fix bug introduced in
mfd: twl: fix twl4030 rename for remaining driver, board files
USB ehci: replace mach header with plat
omap3: Allow EHCI to be built on OMAP3 -
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (71 commits)
MIPS: Lasat: Fix botched changes to sysctl code.
RTC: rtc-cmos.c: Fix warning on MIPS
MIPS: Cleanup random differences beween lmo and Linus' kernel.
MIPS: No longer hardwire CONFIG_EMBEDDED to y
MIPS: Fix and enhance built-in kernel command line
MIPS: eXcite: Remove platform.
MIPS: Loongson: Cleanups of serial port support
MIPS: Lemote 2F: Suspend CS5536 MFGPT Timer
MIPS: Excite: move iodev_remove to .devexit.text
MIPS: Lasat: Convert to proc_fops / seq_file
MIPS: Cleanup signal code initialization
MIPS: Modularize COP2 handling
MIPS: Move EARLY_PRINTK to Kconfig.debug
MIPS: Yeeloong 2F: Cleanup reset logic using the new ec_write function
MIPS: Yeeloong 2F: Add LID open event as the wakeup event
MIPS: Yeeloong 2F: Add basic EC operations
MIPS: Move several variables from .bss to .init.data
MIPS: Tracing: Make function graph tracer work with -mmcount-ra-address
MIPS: Tracing: Reserve $12(t0) for mcount-ra-address of gcc 4.5
MIPS: Tracing: Make ftrace for MIPS work without -fno-omit-frame-pointer
... -
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6:
spi: spi_txx9.c: use resource_size()
spi: spi_sh_sci.c: use resource_size()
spi: spi_mpc8xxx.c: use resource_size()
spi: spi_bfin5xx.c: use resource_size()
spi: atmel_spi.c: use resource_size()
spi: Add s3c64xx SPI Controller driver
atmel_spi: fix dma addr calculation for len > BUFFER_SIZE
spi_s3c24xx: add FIQ pseudo-DMA support
spi: controller driver for Designware SPI core
spidev: add proper section markers
spidev: use DECLARE_BITMAP instead of declaring the array -
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
PCMCIA: fix pxa2xx_lubbock modular build error
[ARM] Update mach-types
[ARM] pxa: fix no reference of cpu_is_pxa25x() in devices.c
[ARM] pxa/cm-x300: add PWM backlight support
revert "[ARM] pxa/cm-x300: add PWM backlight support"
ARM: use flush_kernel_dcache_area() for dmabounce
ARM: add size argument to __cpuc_flush_dcache_page
ARM: 5848/1: kill flush_ioremap_region()
ARM: cache-l2x0: make better use of background cache handling
ARM: cache-l2x0: avoid taking spinlock for every iteration
[ARM] Kirkwood: Add LaCie Network Space v2 support
ARM: dove: fix the mm mmu flags of the pj4 procinfo -
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
kill I_LOCK
fold do_sync_file_range into sys_sync_file_range
fix up O_SYNC comments
VFS/fsstack: handle 32-bit smp + preempt + large files in fsstack_copy_inode_size
fsstack/ecryptfs: remove unused get_nlinks param to fsstack_copy_attr_all
vfs: remove extraneous NULL d_inode check from do_filp_open
fs: no games with DCACHE_UNHASHED
fs: anon_inodes implement dname
dio: fix use-after-free -
* 'for-linus' of git://gitserver.sunplusct.com/linux-2.6-score:
score: include asm-generic/param.h in asm/delay.h.
score: fixed pfn_valid define.
score: add flush_dcahce_page and PG_dcache_dirty define -
Proper Posix O_SYNC handling only made it into 2.6.33, not 2.6.32.
Signed-off-by: Christoph Hellwig
Signed-off-by: Al Viro
17 Dec, 2009
29 commits
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Add pseudo-DMA by FIQ to the S3C24XX SPI driver. This allows the driver
to get DMA-like performance where there are either no free DMA channels or
when doing transfers that required both TX and RX data paths.Since this patch requires the addition of an assembly file to hold the FIQ
code, we rename the module (instead of adding a rename of the .c file to
this patch). We expect most users are loading this via udev and thus
there should be no change to the userland configuration.Signed-off-by: Ben Dooks
Signed-off-by: Simtec Linux Team
Cc: David Brownell
Signed-off-by: Andrew Morton
Signed-off-by: Grant Likely -
* 'for-33' of git://repo.or.cz/linux-kbuild: (29 commits)
net: fix for utsrelease.h moving to generated
gen_init_cpio: fixed fwrite warning
kbuild: fix make clean after mismerge
kbuild: generate modules.builtin
genksyms: properly consider EXPORT_UNUSED_SYMBOL{,_GPL}()
score: add asm/asm-offsets.h wrapper
unifdef: update to upstream revision 1.190
kbuild: specify absolute paths for cscope
kbuild: create include/generated in silentoldconfig
scripts/package: deb-pkg: use fakeroot if available
scripts/package: add KBUILD_PKG_ROOTCMD variable
scripts/package: tar-pkg: use tar --owner=root
Kbuild: clean up marker
net: add net_tstamp.h to headers_install
kbuild: move utsrelease.h to include/generated
kbuild: move autoconf.h to include/generated
drop explicit include of autoconf.h
kbuild: move compile.h to include/generated
kbuild: drop include/asm
kbuild: do not check for include/asm-$ARCH
...Fixed non-conflicting clean merge of modpost.c as per comments from
Stephen Rothwell (modpost.c had grown an include of linux/autoconf.h
that needed to be changed to generated/autoconf.h) -
The loop condition is fragile: we compare an unsigned value to zero, and
then decrement it by something larger than one in the loop. All the
callers should be passing in appropriately aligned buffer lengths, but
it's better to just not rely on it, and have some appropriate defensive
loop limits.Acked-by: Roland McGrath
Signed-off-by: Linus Torvalds -
Signed-off-by: Cui Bixiong
Signed-off-by: Chen Liqin -
Signed-off-by: Cui Bixiong
Signed-off-by: Chen Liqinmodified: arch/score/include/asm/page.h
modified: arch/score/kernel/setup.c
modified: arch/score/mm/init.c -
Signed-off-by: Cui Bixiong
Signed-off-by: Chen Liqinmodified: arch/score/include/asm/cacheflush.h
modified: arch/score/mm/cache.c -
Commit 163931922220e4cb5effd5af1e105038c2f0ab7a "sysctl mips/lasat: Remove
dead binary sysctl support" obviously wasn't test built ...Signed-off-by: Ralf Baechle
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Signed-off-by: Ralf Baechle
-
There's no reason for MIPS to select EMBEDDED. In fact, EMBEDDED makes
MIPS more awkward to deal with because it makes it different to the
majority of architectures for no good reason.[Ralf: Historically disabling EMBEDDED had hid essential options for many
MIPS platforms such as serial console and forced crap like VGA support
or power managment enabled for platforms where those don't make any sense.The name of the option is also _very_ missleading so many users don't
select it even where is was required for a functioning kernel.]Signed-off-by: Martin Michlmayr
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/663/
Signed-off-by: Ralf Baechle -
Currently, MIPS kernels silently overwrite kernel command-line parameters
hardcoded in CONFIG_CMDLINE by the ones received from firmware. Therefore,
using firmware remains the only reliable method to transfer the
command-line parameters, which is not always desirable or convenient, and
the CONFIG_CMDLINE option is thereby effectively rendered useless.This patch fixes the problem described above and introduces a more flexible
scheme of handling the kernel command line, in a manner identical to what is
currently used for x86. The default behavior, i.e. when CONFIG_CMDLINE_BOOL
is not defined, retains the existing semantics, and firmware command-line
arguments override the hardcoded ones.[Ralf: I fixed up all the defconfig files so the stay unaffected by this
change.]Signed-off-by: Dmitri Vorobiev
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/689/
Signed-off-by: Ralf Baechle -
The platform has never been fully merged
Signed-off-by: Ralf Baechle
Cc: Thomas Koeller
Cc: David Woodhouse
Cc: Wim Van Sebroeck
Cc: linux-kernel@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Acked-by: David Woodhouse
Acked-by: Wim Van Sebroeck -
This patchs uses a loongson_uart_base variable instead of the
uart_base[] array and adds a new kernel option to avoid to compile
uart_base.c all the time, which will save a little bit of memory for us.Signed-off-by: Wu Zhangjin
Cc: linux-mips@linux-mips.org
http://patchwork.linux-mips.org/patch/727/
Signed-off-by: Ralf Baechle -
Before putting the Loongson 2F into wait mode, suspend the MFGPT Timer and
after wake-up resume it. This may save some power.Signed-off-by: Wu Zhangjin
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/706/
Signed-off-by: Ralf Baechle -
The function iodev_remove is used only wrapped by __devexit_p so define
it using __devexit.Signed-off-by: Uwe Kleine-König
Cc: Ming Lei
Cc: Henrique de Moraes Holschuh
Cc: Greg Kroah-Hartman
Cc: David Brownell
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/710/
Signed-off-by: Ralf Baechle -
Signed-off-by: Alexey Dobriyan
Cc: akpm@linux-foundation.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/725/
Signed-off-by: Ralf Baechle -
Signed-off-by: Ralf Baechle
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/709/ -
Away with the daemons of ifdef; get ready for future COP2 users.
Signed-off-by: Ralf Baechle
Patchwork: http://patchwork.linux-mips.org/patch/708/ -
Signed-off-by: Ralf Baechle
-
Signed-off-by: Wu Zhangjin
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/683/
Signed-off-by: Ralf Baechle -
Yeeloong 2F netbook has an KB3310B embedded controller to manage the LID
action. When the LID is closed or opened a SCI interrupt is sent out and
the corresponding event is saved to an EC register for later query.Allow the LID open interrupt to wake the processor from wait mode if it is
in the suspend mode.Signed-off-by: Wu Zhangjin
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/685/
Signed-off-by: Ralf Baechle -
YeeLoong2F has a KB3310b embedded controller. Add basic operations for
future related drivers and board support.Signed-off-by: Wu Zhangjin
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/684/
Signed-off-by: Ralf Baechle -
Several static uninitialized variables are used in the scope of __init
functions but are themselves not marked as __initdata. This patch is to put
those variables to where they belong and to reduce the memory footprint a
little bit.Also, a couple of lines with spaces instead of tabs were fixed.
Signed-off-by: Dmitri Vorobiev
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/698/
Acked-by: Florian Fainelli
Signed-off-by: Ralf Baechle -
That thread "MIPS: Add option to pass return address location to
_mcount" from "David Daney " have added a new
option -mmcount-ra-address to gcc(4.5) for MIPS to transfer the location
of the return address to _mcount.Benefit from this new feature, function graph tracer on MIPS will be
easier and safer to hijack the return address of the kernel function,
which will save some overhead and make the whole thing more reliable.In this patch, at first, try to enable the option -mmcount-ra-address in
arch/mips/Makefile with cc-option, if gcc support it, it will be
enabled, otherwise, no side effect.and then, we need to support this new option of gcc 4.5 and also support
the old gcc versions.with _mcount in the old gcc versions, it's not easy to get the location
of return address(tracing: add function graph tracer support for MIPS),
so, we do it in a C function: ftrace_get_parent_addr(ftrace.c), but
with -mmcount-ra-address, only several instructions need to get what
we want, so, I put into asm(mcount.S). and also, as the $12(t0) is
used by -mmcount-ra-address for transferring the localtion of return
address to _mcount, we need to save it into the stack and restore it
when enabled dynamic function tracer, 'Cause we have called
"ftrace_call" before "ftrace_graph_caller", which may destroy
$12(t0).(Thanks to David for providing that -mcount-ra-address and giving the
idea of KBUILD_MCOUNT_RA_ADDRESS, both of them have made the whole
thing more beautiful!)Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/681/
Signed-off-by: Ralf Baechle -
A new option -mmcount-ra-address for gcc 4.5 have been sent by David
Daney in the thread "MIPS: Add option to
pass return address location to _mcount", which help to record the
location of the return address(ra) for the function graph tracer of MIPS
to hijack the return address easier and safer. that option used the
$12(t0) register by default, so, we reserve it for it, and use t1,t2,t3
instead of t0,t1,t2.Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/680/
Signed-off-by: Ralf Baechle -
When remove the -fno-omit-frame-pointer, gcc will not save the frame
pointer for us, we need to save one ourselves.Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/679/
Signed-off-by: Ralf Baechle -
This patch make function graph tracer work with dynamic function tracer.
To share the source code of dynamic function tracer(MCOUNT_SAVE_REGS),
and avoid restoring the whole saved registers, we need to restore the ra
register from the stack.(NOTE: This not work with 32bit! need to ensure why!)
Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/678/
Signed-off-by: Ralf Baechle -
The implementation of function graph tracer for MIPS is a little
different from X86.in MIPS, gcc(with -pg) only transfer the caller's return address(at) and
the _mcount's return address(ra) to us.For the kernel part without -mlong-calls:
move at, ra
jal _mcountFor the module part with -mlong-calls:
lui v1, hi16bit_of_mcount
addiu v1, v1, low16bit_of_mcount
move at, ra
jal _mcountWithout -mlong-calls,
if the function is a leaf, it will not save the return address(ra):
ffffffff80101298 :
ffffffff80101298: 67bdfff0 daddiu sp,sp,-16
ffffffff8010129c: ffbe0008 sd s8,8(sp)
ffffffff801012a0: 03a0f02d move s8,sp
ffffffff801012a4: 03e0082d move at,ra
ffffffff801012a8: 0c042930 jal ffffffff8010a4c0
ffffffff801012ac: 00020021 nopso, we can hijack it directly in _mcount, but if the function is non-leaf, the
return address is saved in the stack.ffffffff80133030 :
ffffffff80133030: 67bdff50 daddiu sp,sp,-176
ffffffff80133034: ffbe00a0 sd s8,160(sp)
ffffffff80133038: 03a0f02d move s8,sp
ffffffff8013303c: ffbf00a8 sd ra,168(sp)
ffffffff80133040: ffb70098 sd s7,152(sp)
ffffffff80133044: ffb60090 sd s6,144(sp)
ffffffff80133048: ffb50088 sd s5,136(sp)
ffffffff8013304c: ffb40080 sd s4,128(sp)
ffffffff80133050: ffb30078 sd s3,120(sp)
ffffffff80133054: ffb20070 sd s2,112(sp)
ffffffff80133058: ffb10068 sd s1,104(sp)
ffffffff8013305c: ffb00060 sd s0,96(sp)
ffffffff80133060: 03e0082d move at,ra
ffffffff80133064: 0c042930 jal ffffffff8010a4c0
ffffffff80133068: 00020021 nopbut we can not get the exact stack address(which saved ra) directly in
_mcount, we need to search the content of at register in the stack space
or search the "s{d,w} ra, offset(sp)" instruction in the text. 'Cause we
can not prove there is only a match in the stack space, so, we search
the text instead.as we can see, if the first instruction above "move at, ra" is not a
store instruction, there should be a leaf function, so we hijack the at
register directly via putting &return_to_handler into it, otherwise, we
search the "s{d,w} ra, offset(sp)" instruction to get the stack offset,
and then the stack address. we use the above copy_process() as an
example, we at last find "ffbf00a8", 0xa8 is the stack offset, we plus
it with s8(fp), that is the stack address, we hijack the content via
writing the &return_to_handler in.If with -mlong-calls, since there are two more instructions above "move
at, ra", so, we can move the pointer to the position above "lui v1,
hi16bit_of_mcount".Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/677/
Signed-off-by: Ralf Baechle -
This patch add a new section for MIPS to record the block of the hardirq
handling for function graph tracer(print_graph_irq) via adding the
__irq_entry annotation to the the entrypoints of the hardirqs(the block
with irq_enter()...irq_exit()).Thanks goes to Steven & Frederic Weisbecker for their feedbacks.
Signed-off-by: Wu Zhangjin
Cc: Steven Rostedt
Cc: Nicholas Mc Guire
Cc: zhangfx@lemote.com
Cc: Wu Zhangjin
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: Frederic Weisbecker
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Reviewed-by: Frederic Weisbecker
Patchwork: http://patchwork.linux-mips.org/patch/676/
Signed-off-by: Ralf Baechle
