Before invoke vmap, we need offer a pages pointer array which each page
need to map in vmalloc area.
But currently vmap_udmabuf only set each folio's head page into pages,
missed each offset pages when iter.
This patch set the correctly offset page in each folio into array.
Signed-off-by: Huan Yang <link@vivo.com>
Fixes: 5e72b2b41a ("udmabuf: convert udmabuf driver to use folios")
Acked-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: https://lore.kernel.org/r/20250428073831.19942-3-link@vivo.com
This reverts commit 18d7de823b.
We cannot use vmap_pfn() in vmap_udmabuf() as it would fail the pfn_valid()
check in vmap_pfn_apply(). This is because vmap_pfn() is intended to be
used for mapping non-struct-page memory such as PCIe BARs. Since, udmabuf
mostly works with pages/folios backed by shmem/hugetlbfs/THP, vmap_pfn()
is not the right tool or API to invoke for implementing vmap.
Signed-off-by: Huan Yang <link@vivo.com>
Suggested-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Reported-by: Bingbu Cao <bingbu.cao@linux.intel.com>
Closes: https://lore.kernel.org/dri-devel/eb7e0137-3508-4287-98c4-816c5fd98e10@vivo.com/T/#mbda4f64a3532b32e061f4e8763bc8e307bea3ca8
Acked-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: https://lore.kernel.org/r/20250428073831.19942-2-link@vivo.com
Corrected various spelling and grammatical mistakes in
Documentation/driver-api/ipmi.rst to improve readability.
No changes to the technical content has been made.
Signed-off-by: Praveen Balakrishnan <praveen.balakrishnan@magd.ox.ac.uk>
Message-ID: <20250515234757.19710-1-praveen.balakrishnan@magd.ox.ac.uk>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Corey Minyard <corey@minyard.net>
- Add timeslicing and allocation restriction for SVM
Driver Changes:
- Fix shrinker debugfs name
- Add HW workaround to Xe2
- Fix SVM when mixing GPU and CPU atomics
- Fix per client engine utilization due to active contexts
not saving timestamp with lite restore enabled.
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Merge tag 'drm-xe-fixes-2025-05-15-1' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Core Changes:
- Add timeslicing and allocation restriction for SVM
Driver Changes:
- Fix shrinker debugfs name
- Add HW workaround to Xe2
- Fix SVM when mixing GPU and CPU atomics
- Fix per client engine utilization due to active contexts
not saving timestamp with lite restore enabled.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/qil4scyn6ucnt43u5ju64bi7r7n5r36k4pz5rsh2maz7isle6g@lac3jpsjrrvs
New timestamping API was introduced in commit 66f7223039 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the stmmac driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl()
path completely.
The existing timestamping calls are guarded by netif_running(). For
stmmac_hwtstamp_get() that is probably unnecessary, since no hardware
access is performed. But for stmmac_hwtstamp_set() I've preserved it,
since at least some IPs probably need pm_runtime_resume_and_get() to
access registers, which is otherwise called by __stmmac_open().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250514143249.1808377-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The scan delay unit of firmware command for WiFi 6 chips is
microsecond, but is wrong set now and lead to abnormal work
for net-detect. Correct the unit to avoid the error.
Fixes: e99dd80c8a ("wifi: rtw89: wow: add delay option for net-detect")
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250513125203.6858-1-pkshih@realtek.com
Permit programs such as "hwtstamp_ctl -i eth0" to retrieve the current
timestamping configuration of the NIC, rather than returning "Device
driver does not have support for non-destructive SIOCGHWTSTAMP."
The driver configures all channels with the same timestamping settings.
On TX, retrieve the settings of the first channel, those should be
representative for the entire NIC. On RX, save the filter settings in a
new adapter field.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250514151931.1988047-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
New timestamping API was introduced in commit 66f7223039 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the lan743x driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl()
path completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250514151931.1988047-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
MCC will track the changes of beacon offset, and trigger a recalculation
when the difference is larger than the tolerance. It means that a better
pattern is expected after recalculating. However, in the cases which get
a worse beacon offset, there is no chance to improve the pattern even if
recalculating. So, bypass them.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-7-pkshih@realtek.com
- Stop writing ALPM registers when PSR is enabled
- Use the correct connector while computing the link BPP limit on MST
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://lore.kernel.org/r/aCWlWk5rTE7TH1pN@jlahtine-mobl
Originally, MCC just took periodic NoA into account. When the connected GO
announces non-periodic NoA and GC side is during MCC, sometimes GC cannot
receive beacons well if the MCC scheduling conflicts with the non-periodic
NoA planning. After the loss exceeds the tolerable amount, beacon filter
will report connection loss. However, in this case, the loss is acceptable.
So now, MCC will calculate the range of non-periodic NoA. And then, don't
care beacon loss during the range.
Besides, rtw89_mcc_fill_role_limit() only makes sense for GC. Remove the
redundant check of GO.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-6-pkshih@realtek.com
In the cases that two MCC roles' TBTTs are too close or too far, original
MCC pattern calculation logic will lead to a result that both roles might
not cover its TBTT with sufficient time. Introduce a new calculation logic
called anchor pattern for these corner cases. It allows to choose one role
as anchor to put its TBTT in the middle of its duration directly. For now,
a P2P role has a higher priority to be chosen as an anchor. Then, if able,
another role might need to depend on courtesy mechanism to take time from
anchor.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-5-pkshih@realtek.com
In one enablement of courtesy mechanism, there is one provider and
one receiver. And, receiver can use the provider's time in a given
period. But, to make P2P NoA protocol work as expected as possible,
GO should be present at the time it doesn't announce absent, and GC
should not use the time when GO announces absent. So, don't enable
courtesy mechanism if provider is GO or receiver is GC.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-4-pkshih@realtek.com
When MCC is about to stop, there may be some chanctx changes which are
queued for work but have not yet been run. To avoid these changes from
being processed in a wrong state (e.g. next new MCC instance), cancel
the queued work and drop queued changes.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-3-pkshih@realtek.com
When stopping MCC, FW can stop at a given MCC role following H2C command.
When pausing chanctx during MCC, in general, the caller expects to process
things with its chanctx. So, pass the caller as target and let FW stop MCC
at it.
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250511035217.10410-2-pkshih@realtek.com
RTL8811AU stops responding during the firmware download on some systems:
[ 809.256440] rtw_8821au 5-2.1:1.0: Firmware version 42.4.0, H2C version 0
[ 812.759142] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: renamed from wlan0
[ 837.315388] rtw_8821au 1-4:1.0: write register 0x1ef4 failed with -110
[ 867.524259] rtw_8821au 1-4:1.0: write register 0x1ef8 failed with -110
[ 868.930976] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: entered promiscuous mode
[ 897.730952] rtw_8821au 1-4:1.0: write register 0x1efc failed with -110
Maybe it takes too long when writing the firmware 4 bytes at a time.
Write 196 bytes at a time for RTL8821AU, RTL8811AU, and RTL8812AU,
and 254 bytes at a time for RTL8723DU. These are the sizes used in
their official drivers. Tested with all these chips.
Cc: stable@vger.kernel.org
Link: https://github.com/lwfinger/rtw88/issues/344
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/43f1daad-3ec0-4a3b-a50c-9cd9eb2c2f52@gmail.com
RTL8811AU stops responding during the firmware download on some systems:
[ 809.256440] rtw_8821au 5-2.1:1.0: Firmware version 42.4.0, H2C version 0
[ 812.759142] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: renamed from wlan0
[ 837.315388] rtw_8821au 1-4:1.0: write register 0x1ef4 failed with -110
[ 867.524259] rtw_8821au 1-4:1.0: write register 0x1ef8 failed with -110
[ 868.930976] rtw_8821au 5-2.1:1.0 wlp48s0f4u2u1: entered promiscuous mode
[ 897.730952] rtw_8821au 1-4:1.0: write register 0x1efc failed with -110
Each write takes 30 seconds to fail because that's the timeout currently
used for control messages in rtw_usb_write().
In this scenario the firmware download takes at least 2000 seconds.
Because this is done from the USB probe function, the long delay makes
other things in the system hang.
Reduce the timeout to 500 ms. This is the value used by the official USB
wifi drivers from Realtek.
Of course this only makes things hang for ~30 seconds instead of ~30
minutes. It doesn't fix the firmware download.
Tested with RTL8822CU, RTL8812BU, RTL8811CU, RTL8814AU, RTL8811AU,
RTL8812AU, RTL8821AU, RTL8723DU.
Cc: stable@vger.kernel.org
Fixes: a82dfd33d1 ("wifi: rtw88: Add common USB chip support")
Link: https://github.com/lwfinger/rtw88/issues/344
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/1e35dd26-3f10-40b1-b2b4-f72184a26611@gmail.com
RX tag is sequence number to ensure RX DMA is complete. On platform
Gigabyte X870 AORUS ELITE WIFI7, sometimes it needs longer retry times
to complete RX DMA, or driver throws warnings and connection drops:
rtw89_8922ae 0000:07:00.0: failed to update 162 RXBD info: -11
rtw89_8922ae 0000:07:00.0: failed to update 163 RXBD info: -11
rtw89_8922ae 0000:07:00.0: failed to update 32 RXBD info: -11
rtw89_8922ae 0000:07:00.0: failed to release TX skbs
Fixes: 0bc7d1d4e6 ("wifi: rtw89: pci: validate RX tag for RXQ and RPQ")
Reported-by: Samuel Reyes <zohrlaffz@gmail.com>
Closes: https://lore.kernel.org/linux-wireless/f4355539f3ac46bbaf9c586d059a8cbb@realtek.com/T/#t
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250509013433.7573-1-pkshih@realtek.com
Due to mac80211 triggering the hardware to enter idle mode, it fails
to install WEP key causing connected station can't ping successfully.
Currently, it forces the hardware to leave idle mode before driver
adding WEP keys.
Signed-off-by: Dian-Syuan Yang <dian_syuan0116@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250507031203.8256-1-pkshih@realtek.com
Add documentation on how to calculate the access coordinates for a given
CXL region in detail.
Reviewed-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20250515000923.2590820-4-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Add description in the SRAT document to describe the Generic Port
Affinity sub-table.
Reviewed-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://patch.msgid.link/20250515000923.2590820-3-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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Merge tag 'v6.15-rc6' into next
Sync up with mainline to bring in xpad controller changes.
'realpath' is not always available, fallback to 'readlink -f' if is not
available. They seem to work equally well in this context.
Link: https://lore.kernel.org/r/20250318160510.3441646-1-yosry.ahmed@linux.dev
Signed-off-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Currently, when EROFS is built with per-CPU workers, the workers are
started and CPU hotplug hooks are registered during module initialization.
This leads to unnecessary worker start/stop cycles during CPU hotplug
events, particularly on Android devices that frequently suspend and resume.
This change defers the initialization of per-CPU workers and the
registration of CPU hotplug hooks until the first EROFS mount. This
ensures that these resources are only allocated and managed when EROFS is
actually in use.
The tear down of per-CPU workers and unregistration of CPU hotplug hooks
still occurs during z_erofs_exit_subsystem(), but only if they were
initialized.
Signed-off-by: Sandeep Dhavale <dhavale@google.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20250506225743.308517-1-dhavale@google.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
1. Prepare for support MT8195/88 HDMIv2 and DDCv2
2. DPI: Cleanups and add support for more formats
3. Cleanups and sanitization
4. Replace custom compare_dev with component_compare_of
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Merge tag 'mediatek-drm-next-20250515' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next - 20250515
1. Prepare for support MT8195/88 HDMIv2 and DDCv2
2. DPI: Cleanups and add support for more formats
3. Cleanups and sanitization
4. Replace custom compare_dev with component_compare_of
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://lore.kernel.org/r/20250514233647.15907-1-chunkuang.hu@kernel.org
The main user reported ones are:
- Fix a btree iterator locking inconsistency that's been causing us to
go emergency read-only in evacuate: "Fix broken btree_path lock
invariants in next_node()"
- Minor btree noed cache reclaim tweak that should help with OOMs: don't
set btree nodes as accessed on fill
- Fix a bch2_bkey_clear_rebalance() issue that was causing rebalance to
do needless work
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Merge tag 'bcachefs-2025-05-15' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"The main user reported ones are:
- Fix a btree iterator locking inconsistency that's been causing us
to go emergency read-only in evacuate: "Fix broken btree_path lock
invariants in next_node()"
- Minor btree node cache reclaim tweak that should help with OOMs:
don't set btree nodes as accessed on fill
- Fix a bch2_bkey_clear_rebalance() issue that was causing rebalance
to do needless work"
* tag 'bcachefs-2025-05-15' of git://evilpiepirate.org/bcachefs:
bcachefs: fix wrong arg to fsck_err()
bcachefs: Fix missing commit in backpointer to missing target
bcachefs: Fix accidental O(n^2) in fiemap
bcachefs: Fix set_should_be_locked() call in peek_slot()
bcachefs: Fix self deadlock
bcachefs: Don't set btree nodes as accessed on fill
bcachefs: Fix livelock in journal_entry_open()
bcachefs: Fix broken btree_path lock invariants in next_node()
bcachefs: Don't strip rebalance_opts from indirect extents
Increase the maximum server-side RPC payload to 4MB. The default
remains at 1MB.
An API to adjust the operational maximum was added in 2006 by commit
596bbe53eb ("[PATCH] knfsd: Allow max size of NFSd payload to be
configured"). To adjust the operational maximum using this API, shut
down the NFS server. Then echo a new value into:
/proc/fs/nfsd/max_block_size
And restart the NFS server.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
We'd like to increase the maximum r/wsize that NFSD can support,
but without introducing possible regressions. So let's add a
default setting of 1MB. A subsequent patch will raise the
maximum value but leave the default alone.
No behavior change is expected.
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The 8192-byte maximum is a protocol-defined limit, and we already
have a symbolic constant defined whose name matches the name of
the limit defined in the protocol. Replace the duplicate.
No change in behavior is expected.
Reviewed-by: NeilBrown <neil@brown.name>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Clean up: The documenting comment for NFSD_BUFSIZE is quite stale.
NFSD_BUFSIZE is used only for NFSv4 Reply these days; never for
NFSv2 or v3, and never for RPC Calls. Even so, the byte count
estimate does not include the size of the NFSv4 COMPOUND Reply
HEADER or the RPC auth flavor.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
It is no longer used.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Allow allocation of more entries in the sc_pages[] array when the
maximum size of an RPC message is increased.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Allow allocation of more entries in the rc_pages[] array when the
maximum size of an RPC message is increased.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
