| Commit message (Collapse) | Author | Age | Files | Lines |
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This directly uses sb->s_fs_info to keep a nilfs filesystem object and
fully removes the intermediate nilfs_sb_info structure. With this
change, the hierarchy of on-memory structures of nilfs will be
simplified as follows:
Before:
super_block
-> nilfs_sb_info
-> the_nilfs
-> cptree --+-> nilfs_root (current file system)
+-> nilfs_root (snapshot A)
+-> nilfs_root (snapshot B)
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-> nilfs_sc_info (log writer structure)
After:
super_block
-> the_nilfs
-> cptree --+-> nilfs_root (current file system)
+-> nilfs_root (snapshot A)
+-> nilfs_root (snapshot B)
:
-> nilfs_sc_info (log writer structure)
The reason why we didn't design so from the beginning is because the
initial shape also differed from the above. The early hierachy was
composed of "per-mount-point" super_block -> nilfs_sb_info pairs and a
shared nilfs object. On the kernel 2.6.37, it was changed to the
current shape in order to unify super block instances into one per
device, and this cleanup became applicable as the result.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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This replaces sbi uses with direct reference to sb instance.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Removes sci->sc_sbi which is a back pointer to nilfs_sb_info struct
from log writer object (nilfs_sc_info).
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Log writer is held by the nilfs_sb_info structure. This moves it into
nilfs object and replaces all uses of NILFS_SC() accessor.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Moves s_next_generation counter and a spinlock protecting it to nilfs
object from nilfs_sb_info structure.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Moves s_inode_lock spinlock and s_dirty_files list to nilfs object
from nilfs_sb_info structure.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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This moves four parameter variables on nilfs_sb_info s_resuid,
s_resgid, s_interval and s_watermark to the nilfs object.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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This moves mount_opt local variable to nilfs object from nilfs_sb_info
struct.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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This records the number of used blocks per checkpoint in each
checkpoint entry of cpfile. Even though userland tools can get the
block count via nilfs_get_cpinfo ioctl, it was not updated by the
nilfs2 kernel code. This fixes the issue and makes it available for
userland tools to calculate used amount per checkpoint.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Jiro SEKIBA <jir@unicus.jp>
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This is a similar change to those in ext2/ext3 codebase (commit
40a063f6691ce937 and a4ae3094869f18e2, respectively).
The addition of 64k block capability in the rec_len_from_disk and
rec_len_to_disk functions added a bit of math overhead which slows
down file create workloads needlessly when the architecture cannot
even support 64k blocks. This will cut the corner.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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At present, the same warning message can be output twice when nilfs
detected a problem on super blocks:
NILFS warning: broken superblock. using spare superblock.
NILFS warning: broken superblock. using spare superblock.
...
This is because these super blocks are reloaded with the block size
written in a super block if it differs from the first block size, but
this repetition looks somewhat confusing. So, we hint at what is
going on by appending block size information to those messages.
Reported-by: Wakko Warner <wakko@animx.eu.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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The current FS_IOC_GETFLAGS/SETFLAGS/GETVERSION will fail if
application is 32 bit and kernel is 64 bit.
This issue is avoidable by adding compat_ioctl method.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Add support for the standard attributes set via chattr and read via
lsattr. These attributes are already in the flags value in the nilfs2
inode, but currently we don't have any ioctl commands that expose them
to the userland.
Collaterally, this adds the FS_IOC_GETVERSION ioctl for getting
i_generation, which allows users to list the file's generation number
with "lsattr -v".
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Nilfs has few rectrictions on which flags may be set on which inodes
like ext2/3/4 filesystems used to be. Specifically DIRSYNC may only
be set on directories and IMMUTABLE and APPEND may not be set on
links. Tighten that to disallow TOPDIR being set on non-directories
and only NODUMP and NOATIME to be set on non-regular file,
non-directories.
This introduces a flags masking function like those of extN and uses
it during inode creation.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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At present, nilfs marks S_NOATIME flag on all inodes. This restricts
nilfs_set_inode_flags function so that it marks S_NOATIME only if a
given inode has an FS_NOATIME_FL flag.
Although nilfs does not support atime yet, touch_atime() still safely
returns on IS_NOATIME check since MS_NOATIME is always set on sb.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Replaces uses of own inode flags (i.e. NILFS_SECRM_FL, NILFS_UNRM_FL,
NILFS_COMPR_FL, and so forth) with common inode flags, and removes the
own flag declarations.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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Three functions of the current persistent object allocator,
nilfs_palloc_commit_free_entry, nilfs_palloc_abort_alloc_entry, and
nilfs_palloc_freev functions unconditionally add a counter after doing
clear bit operation on a bitmap block.
If the clear bit operation overlapped, the counter will not add up.
This fixes the issue by making the counter operations conditional.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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This fixes the issue that inodes count will not add up after removal
of raw inodes fails. Hence, this prevents possible under flow of the
inodes count.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: S3C64XX: Update regulator names for debugfs compatiblity on SMDK6410
ARM: S3C64XX: Fix build with WM1190 disabled and WM1192 enabled on SMDK6410
ARM: S3C64XX: Reduce output of s3c64xx_dma_init1()
ARM: S3C64XX: Tone down SDHCI debugging
ARM: S3C64XX: Add clock for i2c1
ARM: S3C64XX: Staticise non-exported GPIO to interrupt functions
ARM: SAMSUNG: Include devs.h in dev-uart.c to prototype devices
ARM: S3C64XX: Fix keypad setup to configure correct number of rows
ARM: S3C2440: Fix usage gpio bank j pin definitions on GTA02
ARM: S5P64X0: Fix number of GPIO lines in Bank F
ARM: S3C2440: Select missing S3C_DEV_USB_HOST on GTA02
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The debugfs support added to the regulator API (which has been merged
in during this merge window) creates directories for regulators named
after the display names for the regulators so replace / as a separator
for multiple supplies with + in the SMDK6410 machine.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Avoid relying on implicit inclusion of machine.h
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Reduce the logging output of s3c64xx_dma_init1() as it is not useful
for normal bootup (and we get an overall indication of the registration
of the PL180 DMA block).
This removes the following output from the log:
s3c64xx_dma_init1: registering DMA 0 (e0808100)
s3c64xx_dma_init1: registering DMA 1 (e0808120)
s3c64xx_dma_init1: registering DMA 2 (e0808140)
s3c64xx_dma_init1: registering DMA 3 (e0808160)
s3c64xx_dma_init1: registering DMA 4 (e0808180)
s3c64xx_dma_init1: registering DMA 5 (e08081a0)
s3c64xx_dma_init1: registering DMA 6 (e08081c0)
s3c64xx_dma_init1: registering DMA 7 (e08081e0)
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The MMC core calls s3c6400_setup_sdhcp_cfg_card() very frequently, causing
the log message in there at KERN_INFO to be displayed a lot which is slow
and overly chatty. Convert the message into a pr_debug() to tone this down.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The clock for i2c1 has been missing for a while, add it to the list of
clocks for the system and ensure it is initialised at startup.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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No need to put these in the global namespace and sparse gets upset.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Ensures that the declaration agrees with the definition and makes sparse
happy.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The call to s3c_gpio_cfgrange_nopull() takes a size and base
but this looks like it is trying to do base and end. This means
it is configuring too many GPIOs and on the case of the Cragganmore
means we're seeing an overflow of the ROW pins causing problems
with the keyboard driver.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The gta02 header file still uses the old S3C2410_GPJx defines instead of the
S3C2410_GPJ(x) macro. Since the S3C2410_GPJx defines have already been removed
this causes the following build failure:
sound/soc/samsung/neo1973_wm8753.c: In function 'lm4853_set_spk':
sound/soc/samsung/neo1973_wm8753.c:259: error: 'S3C2440_GPJ2' undeclared (first use in this function)
sound/soc/samsung/neo1973_wm8753.c:259: error: (Each undeclared identifier is reported only once
sound/soc/samsung/neo1973_wm8753.c:259: error: for each function it appears in.)
sound/soc/samsung/neo1973_wm8753.c: In function 'lm4853_get_spk':
sound/soc/samsung/neo1973_wm8753.c:267: error: 'S3C2440_GPJ2' undeclared (first use in this function)
sound/soc/samsung/neo1973_wm8753.c: In function 'lm4853_event':
sound/soc/samsung/neo1973_wm8753.c:276: error: 'S3C2440_GPJ1' undeclared (first use in this function)
sound/soc/samsung/neo1973_wm8753.c: At top level:
sound/soc/samsung/neo1973_wm8753.c:439: error: 'S3C2440_GPJ2' undeclared here (not in a function)
sound/soc/samsung/neo1973_wm8753.c:440: error: 'S3C2440_GPJ1' undeclared here (not in a function)
This patches fixes the issue by doing a s,S3C2410_GPJ([\d]+),S3C2410_GPJ(\1),g
on the file.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch modifies the number of total GPIO lines for Bank F
for Samsung S5P6440 and S5P6450 SoCs from 2 to 16.
This is necessary as the GPIO lines from 0 to 13 are reserved
and only lines 14 and 15 are used. As during initialization,
the line number starts at 0, putting 2 does not solve the
intended purpose.
Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The gta02 mach file references the ohci device.
So we need to select S3C_DEV_USB_HOST to have the device available.
This fixes the following linker errors:
arch/arm/mach-s3c2440/built-in.o: In function 'gta02_machine_init':
mach-gta02.c:(.init.text+0x370): undefined reference to 's3c_ohci_set_platdata'
arch/arm/mach-s3c2440/built-in.o:(.init.data+0xac): undefined reference to 's3c_device_ohci'
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
davinci: cpufreq: fix section mismatch warning
DaVinci: fix compilation warnings in <mach/clkdev.h>
davinci: tnetv107x: fix register indexing for GPIOs numbers > 31
davinci: da8xx/omap-l1x: add platform device for davinci-pcm-audio
ARM: pxa/tosa: register wm9712 codec device
ARM: pxa: enable pxa-pcm-audio on pxa210/pxa25x platform
ARM: pxa/colibri: don't register pxa2xx-pcmcia nodes on non-colibri platforms
ARM: pxa/tosa: drop setting LED trigger name, as it's unsupported now
ARM: 6762/1: Update number of VIC for S5P6442 and S5PC100
ARM: 6761/1: Update number of VIC for S5PV210
ARM: 6768/1: hw_breakpoint: ensure debug logic is powered up on v7 cores
ARM: 6767/1: ptrace: fix register indexing in GETHBPREGS request
ARM: 6765/1: remove obsolete comment from asm/mach/arch.h
ARM: 6757/1: fix tlb.h induced linux/swap.h build failure
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into fixes
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Fix below section mismatch warning:
WARNING: vmlinux.o(.data+0x673c): Section mismatch in reference from the variable davinci_driver to the function .init.text:davinci_cpu_init()
The variable davinci_driver references
the function __init davinci_cpu_init()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Commit 6d803ba736abb5e122dede70a4720e4843dd6df4 (ARM: 6483/1: arm & sh:
factorised duplicated clkdev.c) caused the following warnings:
In file included from /home/headless/src/kernel.org/linux-davinci/arch/arm/
include/asm/clkdev.h:17,
from include/linux/clkdev.h:15,
from arch/arm/mach-davinci/clock.h:71,
from arch/arm/mach-davinci/common.c:22:
arch/arm/mach-davinci/include/mach/clkdev.h:4: warning: `struct clk' declared
inside parameter list
arch/arm/mach-davinci/include/mach/clkdev.h:4: warning: its scope is only this
definition or declaration, which is probably not what you want
arch/arm/mach-davinci/include/mach/clkdev.h:9: warning: `struct clk' declared
inside parameter list
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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This patch fix a bug in the register indexing for GPIOs numbers > 31
to get the relevant hardware registers of tnetv107x to control the GPIOs.
In the structure tnetv107x_gpio_regs:
struct tnetv107x_gpio_regs {
u32 idver;
u32 data_in[3];
u32 data_out[3];
u32 direction[3];
u32 enable[3];
};
The GPIO hardware register addresses of tnetv107x are stored.
The chip implements 3 registers of each entity to serve 96 GPIOs,
each register provides a subset of 32 GPIOs.
The driver provides these macros: gpio_reg_set_bit, gpio_reg_get_bit
and gpio_reg_clear_bit.
The bug implied the use of macros to access the relevant hardware
register e.g. the driver code used the macro like this:
'gpio_reg_clear_bit(®->data_out, gpio)'
But it has to be used like this:
'gpio_reg_clear_bit(reg->data_out, gpio)'.
The different results are shown here:
- ®->data_out + 1 (it will add the full array size of data_out i.e. 12 bytes)
- reg->data_out + 1 (it will increment only the size of data_out i.e. only 4 bytes)
Acked-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Hirosh Dabui <hirosh.dabui@snom.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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After the multi-component commit f0fba2ad (ASoC: multi-component - ASoC
Multi-Component Support) for ASoC, we need to register the platform
device for davinci-pcm-audio.
This patch and patch at [1] are required for audio to work on
DA850/OMAP-L138.
[1] https://patchwork.kernel.org/patch/495211/
Signed-off-by: Rajashekhara, Sudhakar <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into fixes
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Since f0fba2ad1b it's required to register platform devices even for
AC'97 codecs. Register one on tosa (wm9712-codec).
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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pxa25x platforms were left out of major ASoC Update patch.
Since f0fba2ad1b a registration of pxa-pcm-audio device is required for
ASoC to function on pxa platforms. Register one also for pxa210/pxa25x.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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PXA supports multi-machine kernels since long ago. However a kernel
compiled with support for colibri and any other PXA machine and with
PCMCIA enabled will barf at runtime about duplicate registration of
pxa2xx-pcmcia device. Fix that.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Since 2e48928d8a0f38c1b5c81eb3f1294de8a6382c68 it's no longer possible to set
the name of the LED trigger for RFKILL events. Drop respective code from tosa-bt.c
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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The S5P6442 and S5PC100 SoCs have 4 VICs. However, default VIC number
is defined 2 in arch/arm/common. So can be happened some problem on it.
Basically, it requires for suspend and resume.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The S5PV210 SoC have 4 VICs. It requires for suspend and resume.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ARMv7 allows the debug core logic to be powered down and provides the
DBGPRSR register so that software can power-up and check the status of
the logic.
This patch ensures that the debug logic is powered up on ARMv7 cores
before we attempt to access the extended debug registers.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The GETHBPREGS ptrace request incorrectly maps its index argument onto
the thread's saved debug state when the index != 0. This has not yet
been seen from userspace because GDB (the only user of this request)
only reads from register 0.
This patch fixes the indexing.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Since commit 6fc31d54 this comment is no longer true.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit
06824ba (ARM: tlb: delay page freeing for SMP and ARMv7 CPUs)
introduced a build failure for builds with CONFIG_SWAP=n:
In file included from arch/arm/mm/init.c:27:
arch/arm/include/asm/tlb.h: In function 'tlb_flush_mmu':
arch/arm/include/asm/tlb.h:101: error: implicit declaration of function 'release_pages'
arch/arm/include/asm/tlb.h: In function 'tlb_remove_page':
arch/arm/include/asm/tlb.h:165: error: implicit declaration of function 'page_cache_release'
as linux/swap.h doesn't include linux/pagemap.h but actually needs it
(see comments in linux/swap.h as to why this is.)
Fix that by #including <linux/pagemap.h> in <asm/pgalloc.h> as it's done
by x86.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: sdio: Allow sdio operations in other threads during sdio_add_func()
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This fixes a bug introduced by 807e8e40673d ("mmc: Fix sd/sdio/mmc
initialization frequency retries") that prevented SDIO drivers from
performing SDIO commands in their probe routines -- the above patch
called mmc_claim_host() before sdio_add_func(), which causes a deadlock
if an external SDIO driver calls sdio_claim_host().
Fix tested on an OLPC XO-1.75 with libertas on SDIO.
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
Reviewed-and-Tested-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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