Improper alignment can lead to unbootable systems and/or random
crashes.
[ralf@linux-mips.org: This is a lond standing bug since
6eb10bc9e2 (kernel.org) rsp.
c422a10917f75fd19fa7fe070aaaa23e384dae6f (lmo) [MIPS: Clean up linker script
using new linker script macros.] so dates back to 2.6.32.]
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/3881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
[ralf@linux-mips.org: Cosmetic changes; also fixed up r2300_switch.S and
octeon_switch.S which needed similar modifications.]
Signed-off-by: Leonid Yegoshin <yegoshin@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3784/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Remove usage of the '__attribute__((alias("...")))' hack that aliased
to integer arrays containing micro-assembled instructions. This hack
breaks when building a microMIPS kernel. It also makes the code much
easier to understand.
[ralf@linux-mips.org: Added back export of the clear_page and copy_page
symbols so certain modules will work again. Also fixed build with
CONFIG_SIBYTE_DMA_PAGEOPS enabled.]
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3866/
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
It's a bloody bog standard MIPS64R2 core with just a new PrId ID. Iow
that essentially means Linux just panics because it doesn't know how to
name the core.
[ralf@linux-mips.org: Split original patch into several smaller patches.]
Signed-off-by: Leonid Yegoshin <yegoshin@mips.com>
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3792/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Commit cf579dfb82 (PM / Sleep: Introduce
"late suspend" and "early resume" of devices) introduced a bug where
suspend_late handlers would be called, but if dpm_suspend_noirq returned
an error the early_resume handlers would never be called. All devices
would end up on the dpm_late_early_list, and would never be resumed
again.
Fix it by calling dpm_resume_early when dpm_suspend_noirq returns
an error.
Signed-off-by: Colin Cross <ccross@android.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
commit 4367af5561
md/raid1: clear bad-block record when write succeeds.
Added a 'reschedule_retry' call possibility at the end of
end_sync_write, but didn't add matching code at the end of
sync_request_write. So if the writes complete very quickly, or
scheduling makes it seem that way, then we can miss rescheduling
the request and the resync could hang.
Also commit 73d5c38a95
md: avoid races when stopping resync.
Fix a race condition in this same code in end_sync_write but didn't
make the change in sync_request_write.
This patch updates sync_request_write to fix both of those.
Patch is suitable for 3.1 and later kernels.
Reported-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Original-version-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
md will refuse to stop an array if any other fd (or mounted fs) is
using it.
When any fs is unmounted of when the last open fd is closed all
pending IO will be flushed (e.g. sync_blockdev call in __blkdev_put)
so there will be no pending IO to worry about when the array is
stopped.
However in order to send the STOP_ARRAY ioctl to stop the array one
must first get and open fd on the block device.
If some fd is being used to write to the block device and it is closed
after mdadm open the block device, but before mdadm issues the
STOP_ARRAY ioctl, then there will be no last-close on the md device so
__blkdev_put will not call sync_blockdev.
If this happens, then IO can still be in-flight while md tears down
the array and bad things can happen (use-after-free and subsequent
havoc).
So in the case where do_md_stop is being called from an open file
descriptor, call sync_block after taking the mutex to ensure there
will be no new openers.
This is needed when setting a read-write device to read-only too.
Cc: stable@vger.kernel.org
Reported-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
commit c6563a8c38
md: add possibility to change data-offset for devices.
introduced a 'new_data_offset' attribute which should normally
be the same as 'data_offset', but can be explicitly set to a different
value to allow a reshape operation to move the data.
Unfortunately when the 'data_offset' is explicitly set through
sysfs, the new_data_offset is not also set, so the two would become
out-of-sync incorrectly.
One result of this is that trying to set the 'size' after the
'data_offset' would fail because it is not permitted to set the size
when the 'data_offset' and 'new_data_offset' are different - as that
can be confusing.
Consequently when mdadm tried to do this while assembling an IMSM
array it would fail.
This bug was introduced in 3.5-rc1.
Reported-by: Brian Downing <bdowning@lavos.net>
Bisected-by: Brian Downing <bdowning@lavos.net>
Tested-by: Brian Downing <bdowning@lavos.net>
Signed-off-by: NeilBrown <neilb@suse.de>
Pull target fixes from Nicholas Bellinger:
"This includes a bugfix from MDR to address a NULL pointer OOPs with
FCoE aborts, along with a WRITE_SAME emulation bugfix for NOLB=0
cases, and persistent reservation return cleanups from Roland.
All three patches are CC'ed to stable."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix range calculation in WRITE SAME emulation when num blocks == 0
target: Clean up returning errors in PR handling code
tcm_fc: Fix crash seen with aborts and large reads
The referenced html file does not exist anymore. Replace the URL with
the current project homepage.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 377780887 ("bug.h: need linux/kernel.h for TAINT_WARN.") broke
all MIPS builds:
CC arch/mips/kernel/machine_kexec.o
include/linux/log2.h: In function '__ilog2_u32':
include/linux/log2.h:34:2: error: implicit declaration of function 'fls' [-Werror=implicit-function-declaration]
include/linux/log2.h: In function '__ilog2_u64':
include/linux/log2.h:42:2: error: implicit declaration of function 'fls64' [-Werror=implicit-function-declaration]
...
Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Tested-by: John Crispin <blogic@openwrt.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit a7a20d1039 ("sd: limit the scope of the async probe domain")
make the SCSI device probing run device discovery in it's own async
domain.
However, as a result, the partition detection was no longer synchronized
by async_synchronize_full() (which, despite the name, only synchronizes
the global async space, not all of them). Which in turn meant that
"wait_for_device_probe()" would not wait for the SCSI partitions to be
parsed.
And "wait_for_device_probe()" was what the boot time init code relied on
for mounting the root filesystem.
Now, most people never noticed this, because not only is it
timing-dependent, but modern distributions all use initrd. So the root
filesystem isn't actually on a disk at all. And then before they
actually mount the final disk filesystem, they will have loaded the
scsi-wait-scan module, which not only does the expected
wait_for_device_probe(), but also does scsi_complete_async_scans().
[ Side note: scsi_complete_async_scans() had also been partially broken,
but that was fixed in commit 43a8d39d01 ("fix async probe
regression"), so that same commit a7a20d1039 had actually broken
setups even if you used scsi-wait-scan explicitly ]
Solve this problem by just moving the scsi_complete_async_scans() call
into wait_for_device_probe(). Everybody who wants to wait for device
probing to finish really wants the SCSI probing to complete, so there's
no reason not to do this.
So now "wait_for_device_probe()" really does what the name implies, and
properly waits for device probing to finish. This also removes the now
unnecessary extra calls to scsi_complete_async_scans().
Reported-and-tested-by: Artem S. Tashkinov <t.artem@mailcity.com>
Cc: Dan Williams <dan.j.williams@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: James Bottomley <jbottomley@parallels.com>
Cc: Borislav Petkov <bp@amd64.org>
Cc: linux-scsi <linux-scsi@vger.kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pm-drivers:
rtc-cmos: report wakeups from interrupt handler
PM / crypto / ux500: Use struct dev_pm_ops for power management
PM / IPMI: Remove empty legacy PCI PM callbacks
tpm_nsc: Use struct dev_pm_ops for power management
tpm_tis: Use struct dev_pm_ops for power management
tpm_atmel: Use struct dev_pm_ops for power management
PM / TPM: Drop unused pm_message_t argument from tpm_pm_suspend()
omap-rng: Use struct dev_pm_ops for power management
mg_disk: Use struct dev_pm_ops for power management
msi-laptop: Use struct dev_pm_ops for power management
hdaps: Use struct dev_pm_ops for power management
sonypi: Use struct dev_pm_ops for power management
intel_mid_thermal: Use struct dev_pm_ops for power management
acer-wmi: Use struct dev_pm_ops for power management
intel_ips: Remove empty legacy PM callbacks
thinkpad_acpi: Use struct dev_pm_ops instead of legacy PM routines
thinkpad_acpi: Drop pm_message_t arguments from suspend routines
* pm-acpi: (24 commits)
olpc-xo15-sci: Use struct dev_pm_ops for power management
ACPI / PM: Drop PM callbacks from the ACPI bus type
ACPI / PM: Drop legacy driver PM callbacks that are not used any more
ACPI / PM: Do not execute legacy driver PM callbacks
acpi_power_meter: Use struct dev_pm_ops for power management
fujitsu-tablet: Use struct dev_pm_ops for power management
classmate-laptop: Use struct dev_pm_ops for power management
xo15-ebook: Use struct dev_pm_ops for power management
toshiba_bluetooth: Use struct dev_pm_ops for power management
panasonic-laptop: Use struct dev_pm_ops for power management
sony-laptop: Use struct dev_pm_ops for power management
hp_accel: Use struct dev_pm_ops for power management
toshiba_acpi: Use struct dev_pm_ops for power management
ACPI: Use struct dev_pm_ops for power management in the SBS driver
ACPI: Use struct dev_pm_ops for power management in the power driver
ACPI: Use struct dev_pm_ops for power management in the button driver
ACPI: Use struct dev_pm_ops for power management in the battery driver
ACPI: Use struct dev_pm_ops for power management in the AC driver
ACPI: Use struct dev_pm_ops for power management in processor driver
ACPI: Use struct dev_pm_ops for power management in the thermal driver
...
* pm-sleep:
PM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock
PM / Sleep: Add missing static storage class specifiers in main.c
PM / Sleep: Fix build warning in sysfs.c for CONFIG_PM_SLEEP unset
PM / Hibernate: Print hibernation/thaw progress indicator one line at a time.
PM / Sleep: Separate printing suspend times from initcall_debug
PM / Sleep: add knob for printing device resume times
ftrace: Disable function tracing during suspend/resume and hibernation, again
PM / Hibernate: Enable suspend to both for in-kernel hibernation.
* pm-domains:
PM / Domains: Fix build warning for CONFIG_PM_RUNTIME unset
PM / Domains: Replace plain integer with NULL pointer in domain.c file
PM / Domains: Add missing static storage class specifier in domain.c file
PM / Domains: Allow device callbacks to be added at any time
PM / Domains: Add device domain data reference counter
PM / Domains: Add preliminary support for cpuidle, v2
PM / Domains: Do not stop devices after restoring their states
PM / Domains: Use subsystem runtime suspend/resume callbacks by default
Fix the following sparse warning:
drivers/base/power/qos.c:465:29: warning: Using plain integer as NULL pointer
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Fix the following sparse warning:
include/linux/pm_qos.h:69:28: warning: Using plain integer as NULL pointer
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Require processes wanting to use the wake_lock/wake_unlock sysfs
files to have the CAP_BLOCK_SUSPEND capability, which also is
required for the eventpoll EPOLLWAKEUP flag to be effective, so that
all interfaces related to blocking autosleep depend on the same
capability.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: stable@vger.kernel.org
Acked-by: Michael Kerrisk <mtk.man-pages@gmail.com>
Fix the following sparse warnings:
drivers/base/power/main.c:48:1: warning: symbol 'dpm_prepared_list' was not declared. Should it be static?
drivers/base/power/main.c:49:1: warning: symbol 'dpm_suspended_list' was not declared. Should it be static?
drivers/base/power/main.c:50:1: warning: symbol 'dpm_late_early_list' was not declared. Should it be static?
drivers/base/power/main.c:51:1: warning: symbol 'dpm_noirq_list' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Pull SELinux regression fixes from James Morris.
Andrew Morton has a box that hit that open perms problem.
I also renamed the "epollwakeup" selinux name for the new capability to
be "block_suspend", to match the rename done by commit d9914cf661
("PM: Rename CAP_EPOLLWAKEUP to CAP_BLOCK_SUSPEND").
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
SELinux: do not check open perms if they are not known to policy
SELinux: include definition of new capabilities
This change eliminates an initialization-order hazard most
recently seen when netprio_cgroup is built into the kernel.
With thanks to Eric Dumazet for catching a bug.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One more time/ntp fix pulled from Ingo Molnar.
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ntp: Fix STA_INS/DEL clearing bug
The VIDIOC_DV_TIMINGS_CAP ioctl check wasn't added to determine_valid_ioctls().
This caused this ioctl to always return -ENOTTY.
The cause for this was that for 3.5 two patch series were merged, one
changing V4L2 core ioctl handling and one adding new functionality, and
some of the new functionality wasn't handled by the new V4L2 core code.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[ Taking it directly due to vacations - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These are arriving very late in the release cycle, but there has been
a change of maintainers on the SPEAr platform and they have needed a
while to get going.
The patch count is higher than I would like at this point, but they're
all relevant fixes and well-contained in their own platform code. I still
think it's suitable 3.5 material and I don't think it should increase
the need for a -rc8 since they are so contained.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes for SPEAr from Olof Johansson:
"These are arriving very late in the release cycle, but there has been
a change of maintainers on the SPEAr platform and they have needed a
while to get going.
The patch count is higher than I would like at this point, but they're
all relevant fixes and well-contained in their own platform code. I
still think it's suitable 3.5 material and I don't think it should
increase the need for a -rc8 since they are so contained."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: SPEAr600: Fix timer interrupt definition in spear600.dtsi
ARM: dts: SPEAr320: Boot the board in EXTENDED_MODE
ARM: dts: SPEAr320: Fix compatible string
Clk: SPEAr1340: Update sys clock parent array
clk: SPEAr1340: Fix clk enable register for uart1 and i2c1.
ARM: SPEAr13xx: Fix Interrupt bindings
Clk:spear6xx:Fix: Rename clk ids within predefined limit
Clk:spear3xx:Fix: Rename clk ids within predefined limit
clk:spear1310:Fix: Rename clk ids within predefined limit
clk:spear1340:Fix: Rename clk ids within predefined limit
Pull CIFS fixes from Steve French.
* git://git.samba.org/sfrench/cifs-2.6:
cifs: always update the inode cache with the results from a FIND_*
cifs: when CONFIG_HIGHMEM is set, serialize the read/write kmaps
cifs: on CONFIG_HIGHMEM machines, limit the rsize/wsize to the kmap space
Initialise mid_q_entry before putting it on the pending queue
As reported by Alan Cox, and verified by Lin Ming, when a user
attempts to add a CIPSO option to a socket using the CIPSO_V4_TAG_LOCAL
tag the kernel dies a terrible death when it attempts to follow a NULL
pointer (the skb argument to cipso_v4_validate() is NULL when called via
the setsockopt() syscall).
This patch fixes this by first checking to ensure that the skb is
non-NULL before using it to find the incoming network interface. In
the unlikely case where the skb is NULL and the user attempts to add
a CIPSO option with the _TAG_LOCAL tag we return an error as this is
not something we want to allow.
A simple reproducer, kindly supplied by Lin Ming, although you must
have the CIPSO DOI #3 configure on the system first or you will be
caught early in cipso_v4_validate():
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/ip.h>
#include <linux/in.h>
#include <string.h>
struct local_tag {
char type;
char length;
char info[4];
};
struct cipso {
char type;
char length;
char doi[4];
struct local_tag local;
};
int main(int argc, char **argv)
{
int sockfd;
struct cipso cipso = {
.type = IPOPT_CIPSO,
.length = sizeof(struct cipso),
.local = {
.type = 128,
.length = sizeof(struct local_tag),
},
};
memset(cipso.doi, 0, 4);
cipso.doi[3] = 3;
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
#define SOL_IP 0
setsockopt(sockfd, SOL_IP, IP_OPTIONS,
&cipso, sizeof(struct cipso));
return 0;
}
CC: Lin Ming <mlin@ss.pku.edu.cn>
Reported-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On spear320 device supported mode are:
* AUTO_NET_SMII_MODE
* AUTO_NET_MII_MODE
* AUTO_EXP_MODE
* SMALL_PRINTERS_MODE
* EXTENDED_MODE
spear320-evb board is designed for EXTENDED_MODE only, hence it does not
boot correctly in current form where pinctrl part for some devices fail.
Configure and boot the SPEAr320 evaluation board in EXTENDED_MODE.
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
sys_clk has multiple parents and selection of parent depends on sys_clk_ctrl
register bit no. 23:25, with following possibilities
0XX: pll1_clk
10X: sys_synth_clk
110: pll2_clk
111: pll3_clk
Out of several possibilities (h/w wise) to select same clock parent for
sys_clk, current clock implementation was considering just one value.
When bootloader programmed different (valid) value to select a clock
parent then Linux breaks.
Here, we try to include all possibilities which can lead to same
clock selection thus making Linux independent of bootloader selection
values.
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
This patch is to fix typing mistake of clk enable register of i2c1 and
uart1.
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
The max limit of con_id is 16 and dev_id is 20. As of now for spear6xx, many clk
ids are exceeding this predefined limit.
This patch is intended to rename clk ids like:
mux_clk -> _mclk
gate_clk -> _gclk
synth_clk -> syn_clk
ras_gen1_synth_gate_clk -> ras_syn1_gclk
pll3_48m -> pll3_
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Yoichi Yuasa