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It has been found that active Rx can interfere with stopping tx DMA, which
could result in at least parts of those "Failed to stop Tx DMA!" messages.
Stopping rx before tx should prevent that.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pull NFS client updates from Trond Myklebust:
"New features include:
- Rewrite the O_DIRECT code so that it can share the same coalescing
and pNFS functionality as the page cache code.
- Allow the server to provide hints as to when we should use pNFS,
and when it is more efficient to read and write through the
metadata server.
- NFS cache consistency updates:
* Use the ctime to emulate a change attribute for NFSv2/v3 so that
all NFS versions can share the same cache management code.
* New cache management code will only look at the change attribute
and size attribute when deciding whether or not our cached data
is still valid or not.
* Don't request NFSv4 post-op attributes on writes in cases such as
O_DIRECT, where we don't care about data cache consistency, or
when we have a write delegation, and know that our cache is still
consistent.
* Don't request NFSv4 post-op attributes on operations such as
COMMIT, where there are no expected metadata updates.
* Don't request NFSv4 directory post-op attributes in cases where
the operations themselves already return change attribute
updates: i.e. operations such as OPEN, CREATE, REMOVE, LINK and
RENAME.
- Speed up 'ls' and friends by using READDIR rather than READDIRPLUS
if we detect no attempts to lookup filenames.
- Improve the code sharing between NFSv2/v3 and v4 mounts
- NFSv4.1 state management efficiency improvements
- More patches in preparation for NFSv4/v4.1 migration functionality."
Fix trivial conflict in fs/nfs/nfs4proc.c that was due to the dcache
qstr name initialization changes (that made the length/hash a 64-bit
union)
* tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (146 commits)
NFSv4: Add debugging printks to state manager
NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIO
NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHE
NFSv4.1: nfs4_reset_session should use nfs4_handle_reclaim_lease_error
NFSv4.1: Handle other occurrences of NFS4ERR_CONN_NOT_BOUND_TO_SESSION
NFSv4.1: Handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION in the state manager
NFSv4.1: Handle errors in nfs4_bind_conn_to_session
NFSv4.1: nfs4_bind_conn_to_session should drain the session
NFSv4.1: Don't clobber the seqid if exchange_id returns a confirmed clientid
NFSv4.1: Add DESTROY_CLIENTID
NFSv4.1: Ensure we use the correct credentials for bind_conn_to_session
NFSv4.1: Ensure we use the correct credentials for session create/destroy
NFSv4.1: Move NFSPROC4_CLNT_BIND_CONN_TO_SESSION to the end of the operations
NFSv4.1: Handle NFS4ERR_SEQ_MISORDERED when confirming the lease
NFSv4: When purging the lease, we must clear NFS4CLNT_LEASE_CONFIRM
NFSv4: Clean up the error handling for nfs4_reclaim_lease
NFSv4.1: Exchange ID must use GFP_NOFS allocation mode
nfs41: Use BIND_CONN_TO_SESSION for CB_PATH_DOWN*
nfs4.1: add BIND_CONN_TO_SESSION operation
NFSv4.1 test the mdsthreshold hint parameters
...
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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This is caused by tty_release using tty_lock_pair to lock both sides of
the pty/tty pair, and then tty_ldisc_release dropping and relocking one
side only. We can drop both fine, so drop both to avoid any lock
ordering concerns.
Rework the release path to fix the new locking model.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The ptmx_open path takes the tty and devpts locks in the wrong order
because tty_init_dev locks and returns a locked tty. As far as I can
tell this is actually safe anyway because the tty being returned is new
so nobody can get a reference to lock it at this point.
However we don't even need the devpts lock at this point, it's only held
as a byproduct of the way the locks were pushe down.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Entirely new class of fail for this one. The detailed timings are for
normal CVT but the monitor really wanted CVT-R.
Bugzilla: http://bugzilla.redhat/com/516471
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There were places where use ui__warning (or even fprintf) to show
critical messages. This patch converts them to ui__error so that the
front-end code can implement appropriate behavior.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1338265382-6872-3-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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This patch fixes the cleanup code of the bfin_adv7393_fb_probe
function.
1) The resources were not freed in the order that we allocated them
so we call dma_free_coherent() before it was allocated.
2) The labels weren't in the right place which also meant that we
freed resources that weren't allocated.
3) We should free gpio_free(P_IDENT(P_PPI0_FS3)) before returning.
4) Lets change the label names into something more meaningful.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch reduces delay time when configuring video setting,
which is helpful to reduce wakeup time during resume.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The sw reset should be called prioir to enabling sw defined function,
according to datasheet.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The devm_ functions allocate memory that is released when a driver
detaches. This makes the code smaller and a bit simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This function is called with a potential NULL pointer in
picolcd_init_framebuffer() and it causes a static checker warning. This
used to handle NULL pointers when the picolcd code was written, but a
couple months later we added the "info->apertures" dereference.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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These two variables were not required after new API was introduced.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: tune down the noise of the RP irq limit fail
drm/i915: Remove the error message for unbinding pinned buffers
drm/i915: Limit page allocations to lowmem (dma32) for i965
drm/i915: always use RPNSWREQ for turbo change requests
drm/i915: reject doubleclocked cea modes on dp
drm/i915: Adding TV Out Missing modes.
drm/i915: wait for a vblank to pass after tv detect
drm/i915: no lvds quirk for HP t5740e Thin Client
drm/i915: enable vdd when switching off the eDP panel
drm/i915: Fix PCH PLL assertions to not assume CRTC:PLL relationship
drm/i915: Always update RPS interrupts thresholds along with frequency
drm/i915: properly handle interlaced bit for sdvo dtd conversion
drm/i915: fix module unload since error_state rework
drm/i915: be more careful when returning -ENXIO in gmbus transfer
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Only override the ddc bus if the connector doesn't have
a valid one. The existing code overrode the ddc bus for
all connectors even if it had ddc bus.
Fixes ddc on another XFX card with the same pci ids that
was broken by the quirk overwriting the correct ddc bus.
Reported-by: Mehdi Aqadjani Memar <m.aqadjanimemar@student.ru.nl>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The rest of the code uses stdint types, so use them in
drm_property_change_is_valid() as well.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Using the wrong union.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If we hit an error here, then we should unlock and unreference obj
before returning.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Just move its only caller into the same file as it and make it static.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Prevents build failures on non-KVM archs.
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
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It seems there is a bug in scan_read_raw_oob() in nand_bbt.c which
should cause wrong functioning of NAND_BBT_SCANALLPAGES option.
Artem: the patch did not apply and I had to amend it a bit.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: stable@kernel.org
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Corner case reads do not work, and return false data and
ECC. This case is typically seen in a ubifs usage, with a
read of type:
- docg3 docg3: doc_read_oob(from=14882415, mode=1,
data=(c30eca40:12), oob=( (null):0))
This results in the following reads:
- docg3 docg3: doc_read_data_area(buf= (null), len=111)
- docg3 docg3: doc_read_data_area(buf=c30eca40, len=12)
- docg3 docg3: doc_read_data_area(buf= (null), len=389)
- docg3 docg3: doc_read_data_area(buf= (null), len=0)
- docg3 docg3: doc_read_data_area(buf= (null), len=16)
If we suppose that the pages content is :
- bytes 0 .. 111 : 0x0a
- bytes 112 .. 255 : 0x0f
Then the returned bytes will be :
- 111 times 0x0a (correct)
- 0x0a 2 times and 0x0f 10 times (incorrect, should be
0x0a,0x0f)
- 0x0f 389 times (correct)
- nothing
- correct OOB
The reason seams that the first 111 bytes read ends between
the 2 docg3 planes, and that the first following read (in
the 12 bytes sequence, read of 16 bit word) returns the byte
of the rightmost plane duplicated in high and lower byte of
the word.
Fix this behaviour by ensuring that if the previous read
ended up in-between the 2 planes, there will be a first 1
byte read to get back to the beginning of leftmost plane.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Now when we set the group inode free count, we don't have a proper
group lock so that multiple threads may decrease the inode free
count at the same time. And e2fsck will complain something like:
Free inodes count wrong for group #1 (1, counted=0).
Fix? no
Free inodes count wrong for group #2 (3, counted=0).
Fix? no
Directories count wrong for group #2 (780, counted=779).
Fix? no
Free inodes count wrong for group #3 (2272, counted=2273).
Fix? no
So this patch try to protect it with the ext4_lock_group.
btw, it is found by xfstests test case 269 and the volume is
mkfsed with the parameter
"-O ^resize_inode,^uninit_bg,extent,meta_bg,flex_bg,ext_attr"
and I have run it 100 times and the error in e2fsck doesn't
show up again.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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There is a flag at the per-channel struct that indicates if there are
any 4R dimm on it. The way the presence of this flag were reported
is not ok, as it might give the false idea that the channel were filled
with 2R memories:
[ 580.588701] EDAC DEBUG: get_dimm_config: Ch1 phy rd1, wr1 (0x063f7431): 2 ranks, UDIMMs
[ 580.588704] EDAC DEBUG: get_dimm_config: dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400
(in this case, just one 1R memory is filled on channel 1)
So, use a better way to represent the per-channel ranks information.
After the patch, it will show:
[ 2002.233978] EDAC DEBUG: get_dimm_config: Ch0 phy rd0, wr0 (0x063f7431): UDIMMs
[ 2002.233982] EDAC DEBUG: get_dimm_config: dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400
[ 2002.233988] EDAC DEBUG: get_dimm_config: dimm 1 1024 Mb offset: 4, bank: 8, rank: 1, row: 0x4000, col: 0x400
(in this case, there isn't any 4R memories)
Reported-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The fatal error channel bits point to a single channel, and not
to a range of channels. Fix the code to properly report it,
instead of printing messages like:
kernel: EDAC MC0: INTERNAL ERROR: channel-b out of range (4 >= 4)
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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drivers/edac/i5100_edac.c: In function ‘i5100_init_csrows’:
drivers/edac/i5100_edac.c:862:3: warning: format ‘%zd’ expects argument of type ‘signed size_t’, but argument 5 has type ‘long unsigned int’ [-Wformat]
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Avoid test nr_pages twice, and initializing some data that won't
be used.
Cleanup patch only.
Reported-by: Aristeu Rozanski Filho <arozansk@redhat.com>
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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No funtional changes here. Only the comments got updated.
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The logic there is broken: it basically creates two csrows for
each DIMM and assumes that all DIMM's are dual rank. Only one of
the csrows will contain the entire DIMM size. If single rank
memories are found, they'll be marked with 0 bytes.
The check if the AMB is present were also wrong.
Yet, as the error reports don't use the memory size in order to
credit an error to the right DIMM, that part of the driver seems
to work. That's why probably nobody detected the issue yet.
After this patch, the memory layout is now properly reported,
when debug mode is enabled, and the number of ranks per dimm is
now shown:
calculate_dimm_size: ----------------------------------------------------------
calculate_dimm_size: slot 3 0 MB | 0 MB | 0 MB | 0 MB |
calculate_dimm_size: slot 2 0 MB | 0 MB | 0 MB | 0 MB |
calculate_dimm_size: ----------------------------------------------------------
calculate_dimm_size: slot 1 0 MB | 0 MB | 0 MB | 0 MB |
calculate_dimm_size: slot 0 512 MB 1R| 512 MB 1R| 512 MB 1R| 512 MB 1R|
calculate_dimm_size: ----------------------------------------------------------
calculate_dimm_size: channel 0 | channel 1 | channel 2 | channel 3 |
calculate_dimm_size: branch 0 | branch 1 |
(1R above means that all memories on my test machine are single-ranked)
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Improves the debug output message, in order to better represent the
memory controller hierarchy, when outputing the debug messages.
No functional changes when debug is disabled.
Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Remove some information that it is duplicated at the MCE log,
and don't have much usage for the error. Those data will be
added again, when creating a trace function that outputs both
memory errors and MCE fields.
Cc: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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While userspace doesn't fill the dimm labels, add there the dimm location,
as described by the used memory model. This could eventually match what
is described at the dmidecode, making easier for people to identify the
memory.
For example, on an Intel motherboard where the DMI table is reliable,
the first memory stick is described as:
Memory Device
Array Handle: 0x0029
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: 1
Locator: A1_DIMM0
Bank Locator: A1_Node0_Channel0_Dimm0
Type: <OUT OF SPEC>
Type Detail: Synchronous
Speed: 800 MHz
Manufacturer: A1_Manufacturer0
Serial Number: A1_SerNum0
Asset Tag: A1_AssetTagNum0
Part Number: A1_PartNum0
The memory named as "A1_DIMM0" is physically located at the first
memory controller (node 0), at channel 0, dimm slot 0.
After this patch, the memory label will be filled with:
/sys/devices/system/edac/mc/csrow0/ch0_dimm_label:mc#0channel#0slot#0
And (after the new EDAC API patches) as:
/sys/devices/system/edac/mc/mc0/dimm0/dimm_label:mc#0channel#0slot#0
So, even if the memory label is not initialized on userspace, an useful
information with the error location is filled there, expecially since
several systems/motherboards are provided with enough info to map from
channel/slot (or branch/channel/slot) into the DIMM label. So, letting the
EDAC core fill it by default is a good thing.
It should noticed that, as the label filling happens at the
edac_mc_alloc(), drivers can override it to better describe the memories
(and some actually do it).
Cc: Aristeu Rozanski <arozansk@redhat.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now that all drivers got converted to use the new ABI, we can
drop the old one.
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Tim Small <tim@buttersideup.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Olof Johansson <olof@lixom.net>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: Tim Small <tim@buttersideup.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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