Here's a fix for a regression affecting some CP2102 devices and a host
of new device ids.
Included are also a couple of cleanups of duplicate device ids, which
are also tagged for stable to keep the tables in sync, and a trivial
patch to help debugging cp210x issues.
All have been in linux-next with no reported issues. Note however that
the last last two device-id commits were rebased to fix up a lore link
in a commit message (as the patch itself never made it to the list).
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Merge tag 'usb-serial-5.15-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.15-rc3
Here's a fix for a regression affecting some CP2102 devices and a host
of new device ids.
Included are also a couple of cleanups of duplicate device ids, which
are also tagged for stable to keep the tables in sync, and a trivial
patch to help debugging cp210x issues.
All have been in linux-next with no reported issues. Note however that
the last last two device-id commits were rebased to fix up a lore link
in a commit message (as the patch itself never made it to the list).
* tag 'usb-serial-5.15-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add device id for Foxconn T99W265
USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
USB: serial: cp210x: add part-number debug printk
USB: serial: cp210x: fix dropped characters with CP2102
USB: serial: option: remove duplicate USB device ID
USB: serial: mos7840: remove duplicated 0xac24 device ID
USB: serial: option: add Telit LN920 compositions
Some CP2102 do not support event-insertion mode but return no error when
attempting to enable it.
This means that any event escape characters in the input stream will not
be escaped by the device and consequently regular data may be
interpreted as escape sequences and be removed from the stream by the
driver.
The reporter's device has batch number DCL00X etched into it and as
discovered by the SHA2017 Badge team, counterfeit devices with that
marking can be detected by sending malformed vendor requests. [1][2]
Tests confirm that the possibly counterfeit CP2102 returns a single byte
in response to a malformed two-byte part-number request, while an
original CP2102 returns two bytes. Assume that every CP2102 that behaves
this way also does not support event-insertion mode (e.g. cannot report
parity errors).
[1] https://mobile.twitter.com/sha2017badge/status/1167902087289532418
[2] https://hackaday.com/2017/08/14/hands-on-with-the-shacamp-2017-badge/#comment-3903376
Reported-by: Malte Di Donato <malte@neo-soft.org>
Tested-by: Malte Di Donato <malte@neo-soft.org>
Fixes: a7207e9835 ("USB: serial: cp210x: add support for line-status events")
Cc: stable@vger.kernel.org # 5.9
Link: https://lore.kernel.org/r/20210922113100.20888-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Peter's e-mail in MAINTAINERS is defunct:
This is the qmail-send program at a.mx.sunsite.dk.
<jacmet@sunsite.dk>:
Sorry, no mailbox here by that name. (#5.1.1)
Peter says:
** Ahh yes, it should be changed to peter@korsgaard.com.
However he also says:
** I haven't had access to c67x00 hw for quite some years though, so maybe
** it should be marked Orphan instead?
So change as he wishes.
Cc: Peter Korsgaard <peter@korsgaard.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-usb@vger.kernel.org
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210922063008.25758-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is writing to the first 1 - 3 bytes of "val" and then writing all
four bytes to musb_writel(). The last byte is always going to be
garbage. Zero out the last bytes instead.
Fixes: 550a7375fe ("USB: Add MUSB and TUSB support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210916135737.GI25094@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ScanLogic SL11R-IDE with firmware older than 2.6c (the latest one) has
broken tag handling, preventing the device from working at all:
usb 1-1: new full-speed USB device number 2 using uhci_hcd
usb 1-1: New USB device found, idVendor=04ce, idProduct=0002, bcdDevice= 2.60
usb 1-1: New USB device strings: Mfr=1, Product=1, SerialNumber=0
usb 1-1: Product: USB Device
usb 1-1: Manufacturer: USB Device
usb-storage 1-1:1.0: USB Mass Storage device detected
scsi host2: usb-storage 1-1:1.0
usbcore: registered new interface driver usb-storage
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
Add US_FL_BULK_IGNORE_TAG to fix it. Also update my e-mail address.
2.6c is the only firmware that claims Linux compatibility.
The firmware can be upgraded using ezotgdbg utility:
https://github.com/asciilifeform/ezotgdbg
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Ondrej Zary <linux@zary.sk>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210913210106.12717-1-linux@zary.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device ZTE 0x0094 is already on the list.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Fixes: b9e44fe5ec ("USB: option: cleanup zte 3g-dongle's pid in option.c")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
0xac24 device ID is already defined and used via
BANDB_DEVICE_ID_USO9ML2_4. Remove the duplicate from the list.
Fixes: 27f1281d5f ("USB: serial: Extra device/vendor ID for mos7840 driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
tx-fifo-resize is now added by default by the dwc3-qcom driver
to the SNPS DWC3 child node.
So, lets drop the tx-fifo-resize property from dwc3-qcom nodes
as having it there will cause the dwc3-qcom driver to error and
abort probe with:
[ 1.362938] dwc3-qcom 8af8800.usb: unable to add property
[ 1.368405] dwc3-qcom 8af8800.usb: failed to register DWC3 Core, err=-17
Fixes: cefdd52fa0 ("usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default")
Signed-off-by: Robert Marko <robimarko@gmail.com>
Link: https://lore.kernel.org/r/20210902220325.1783567-1-robimarko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For Isochronous endpoints, the SS companion descriptor's
wBytesPerInterval field is required to reserve bus time in order
to transmit the required payload during the service interval.
If left at 0, the UAC2 function is unable to transact data on its
playback or capture endpoints in SuperSpeed mode.
Since f_uac2 currently does not support any bursting this value can
be exactly equal to the calculated wMaxPacketSize.
Tested with Windows 10 as a host.
Fixes: f8cb3d556b ("usb: f_uac2: adds support for SS and SSP")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Link: https://lore.kernel.org/r/20210909174811.12534-3-jackp@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The f_uac2 function fails to enumerate when connected in SuperSpeed
due to the feedback endpoint missing the companion descriptor.
Add a new ss_epin_fback_desc_comp descriptor and append it behind the
ss_epin_fback_desc both in the static definition of the ss_audio_desc
structure as well as its dynamic construction in setup_headers().
Fixes: 24f779dac8 ("usb: gadget: f_uac2/u_audio: add feedback endpoint support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Link: https://lore.kernel.org/r/20210909174811.12534-2-jackp@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When last descriptor in a descriptor list completed with XferComplete
interrupt, core switching to handle next descriptor and assert BNA
interrupt. Both these interrupts are set while dwc2_hsotg_epint()
handler called. Each interrupt should be handled separately: first
XferComplete interrupt then BNA interrupt, otherwise last completed
transfer will not be giveback to function driver as completed
request.
Fixes: 729cac693e ("usb: dwc2: Change ISOC DDMA flow")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/a36981accc26cd674c5d8f8da6164344b94ec1fe.1631386531.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
No functional change. Since configuration to stop HCD is invoked from
multiple places, group all of them in usb_stop_hcd().
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20210909064200.16216-4-kishon@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set "HCD_FLAG_DEFER_RH_REGISTER" to hcd->flags in xhci_run() to defer
registering primary roothub in usb_add_hcd(). This will make sure both
primary roothub and secondary roothub will be registered along with the
second HCD. This is required for cold plugged USB devices to be detected
in certain PCIe USB cards (like Inateck USB card connected to AM64 EVM
or J7200 EVM).
CC: stable@vger.kernel.org # 5.4+
Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20210909064200.16216-3-kishon@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It has been observed with certain PCIe USB cards (like Inateck connected
to AM64 EVM or J7200 EVM) that as soon as the primary roothub is
registered, port status change is handled even before xHC is running
leading to cold plug USB devices not detected. For such cases, registering
both the root hubs along with the second HCD is required. Add support for
deferring roothub registration in usb_add_hcd(), so that both primary and
secondary roothubs are registered along with the second HCD.
CC: stable@vger.kernel.org # 5.4+
Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20210909064200.16216-2-kishon@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According USB spec each ISOC transaction should be performed in a
designated for that transaction interval. On bus errors or delays
in operating system scheduling of client software can result in no
packet being transferred for a (micro)frame. An error indication
should be returned as status to the client software in such a case.
Current implementation in case of missed/dropped interval send same
data in next possible interval instead of reporting missed isoc.
This fix complete requests with -ENODATA if interval elapsed.
HSOTG core in BDMA and Slave modes haven't HW support for
(micro)frames tracking, this is why SW should care about tracking
of (micro)frames. Because of that method and consider operating
system scheduling delays, added few additional checking's of elapsed
target (micro)frame:
1. Immediately before enabling EP to start transfer.
2. With any transfer completion interrupt.
3. With incomplete isoc in/out interrupt.
4. With EP disabled interrupt because of incomplete transfer.
5. With OUT token received while EP disabled interrupt (for OUT
transfers).
6. With NAK replied to IN token interrupt (for IN transfers).
As part of ISOC flow, additionally fixed 'current' and 'target' frame
calculation functions. In HS mode SOF limits provided by DSTS register
is 0x3fff, but in non HS mode this limit is 0x7ff.
Tested by internal tool which also using for dwc3 testing.
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/95d1423adf4b0f68187c9894820c4b7e964a3f7f.1631175721.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After we start to do core soft reset while usb role switch,
the phy init is invoked at every switch to device mode, but
its counter part de-init is missing, this causes the actual
phy init can not be done when we really want to re-init phy
like system resume, because the counter maintained by phy
core is not 0. considering phy init is actually redundant for
role switch, so move out the phy init from core soft reset to
dwc3 core init where is the only place required.
Fixes: f88359e158 ("usb: dwc3: core: Do core softreset when switch mode")
Cc: <stable@vger.kernel.org>
Tested-by: faqiang.zhu <faqiang.zhu@nxp.com>
Tested-by: John Stultz <john.stultz@linaro.org> #HiKey960
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1631068099-13559-1-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit f3de5d857b.
That commit broke USB on all routers that have USB always powered on and
don't require toggling any GPIO. It's a majority of devices actually.
The original code worked and seemed safe: vcc GPIO is optional and
bcma_hci_platform_power_gpio() takes care of checking the pointer before
using it.
This revert fixes:
[ 10.801127] bcma_hcd: probe of bcma0:11 failed with error -2
Fixes: f3de5d857b ("USB: bcma: Add a check for devm_gpiod_get")
Cc: stable <stable@vger.kernel.org>
Cc: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20210831065419.18371-1-zajec5@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use platform_register_drivers() and platform_unregister_drivers() to
register and unregister ehci platform drivers. This simplifies the code
and prevents the following build errors seen with sparc:allmodconfig.
drivers/usb/host/ehci-hcd.c:1301: error:
"PLATFORM_DRIVER" redefined
drivers/usb/host/ehci-sh.c:173:31: error:
'ehci_hcd_sh_driver' defined but not used
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210907123002.3951446-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the driver runs out of minor numbers it would release minor 0 and
allow another device to claim the minor while still in use.
Fortunately, registering the tty class device of the second device would
fail (with a stack dump) due to the sysfs name collision so no memory is
leaked.
Fixes: cae2bc768d ("usb: cdc-acm: Decrement tty port's refcount if probe() fail")
Cc: stable@vger.kernel.org # 4.19
Cc: Jaejoong Kim <climbbb.kim@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210907082318.7757-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210831084236.1359677-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For DEV_VER_V3 version there exist race condition between clearing
ep_sts.EP_STS_TRBERR and setting ep_cmd.EP_CMD_DRDY bit.
Setting EP_CMD_DRDY will be ignored by controller when
EP_STS_TRBERR is set. So, between these two instructions we have
a small time gap in which the EP_STSS_TRBERR can be set. In such case
the transfer will not start after setting doorbell.
Fixes: 7733f6c32e ("usb: cdns3: Add Cadence USB3 DRD Driver")
cc: <stable@vger.kernel.org> # 5.12.x
Tested-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20210907062619.34622-1-pawell@gli-login.cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This loop is supposed to loop until if reads something other than
CS_IDST or until it times out after 30,000 attempts. But because of
the || vs && bug, it will never time out and instead it will loop a
minimum of 30,000 times.
This bug is quite old but the code is only used in USB_DEVICE_TEST_MODE
so it probably doesn't affect regular usage.
Fixes: 96fe53ef54 ("usb: gadget: r8a66597-udc: add support for TEST_MODE")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210906094221.GA10957@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The patch increases the bitshift in feedback frequency
calculation with EP-OUT bInterval value.
Tests have revealed that Win10 and OSX UAC2 drivers require
the feedback frequency to be based on the actual packet
interval instead of on the USB2 microframe. Otherwise they
ignore the feedback value. Linux snd-usb-audio driver
detects the applied bitshift automatically.
Tested-by: Henrik Enquist <henrik.enquist@gmail.com>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210906130822.12256-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
testusb' application which uses 'usbtest' driver reports 'unknown speed'
from the function 'find_testdev'. The variable 'entry->speed' was not
updated from the application. The IOCTL mentioned in the FIXME comment can
only report whether the connection is low speed or not. Speed is read using
the IOCTL USBDEVFS_GET_SPEED which reports the proper speed grade. The
call is implemented in the function 'handle_testdev' where the file
descriptor was availble locally. Sample output is given below where 'high
speed' is printed as the connected speed.
sudo ./testusb -a
high speed /dev/bus/usb/001/011 0
/dev/bus/usb/001/011 test 0, 0.000015 secs
/dev/bus/usb/001/011 test 1, 0.194208 secs
/dev/bus/usb/001/011 test 2, 0.077289 secs
/dev/bus/usb/001/011 test 3, 0.170604 secs
/dev/bus/usb/001/011 test 4, 0.108335 secs
/dev/bus/usb/001/011 test 5, 2.788076 secs
/dev/bus/usb/001/011 test 6, 2.594610 secs
/dev/bus/usb/001/011 test 7, 2.905459 secs
/dev/bus/usb/001/011 test 8, 2.795193 secs
/dev/bus/usb/001/011 test 9, 8.372651 secs
/dev/bus/usb/001/011 test 10, 6.919731 secs
/dev/bus/usb/001/011 test 11, 16.372687 secs
/dev/bus/usb/001/011 test 12, 16.375233 secs
/dev/bus/usb/001/011 test 13, 2.977457 secs
/dev/bus/usb/001/011 test 14 --> 22 (Invalid argument)
/dev/bus/usb/001/011 test 17, 0.148826 secs
/dev/bus/usb/001/011 test 18, 0.068718 secs
/dev/bus/usb/001/011 test 19, 0.125992 secs
/dev/bus/usb/001/011 test 20, 0.127477 secs
/dev/bus/usb/001/011 test 21 --> 22 (Invalid argument)
/dev/bus/usb/001/011 test 24, 4.133763 secs
/dev/bus/usb/001/011 test 27, 2.140066 secs
/dev/bus/usb/001/011 test 28, 2.120713 secs
/dev/bus/usb/001/011 test 29, 0.507762 secs
Signed-off-by: Faizel K B <faizel.kb@dicortech.com>
Link: https://lore.kernel.org/r/20210902114444.15106-1-faizel.kb@dicortech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Add missing fields and remove some duplicate fields when printing a perf_event_attr.
- Fix hybrid config terms list corruption.
- Update kernel header copies, some resulted in new kernel features being
automagically added to 'perf trace' syscall/tracepoint argument id->string translators.
- Add a file generated during the documentation build to .gitignore.
- Add an option to build without libbfd, as some distros, like Debian consider
its ABI unstable.
- Add support to print a textual representation of IBS raw sample data in 'perf report'.
- Fix bpf 'perf test' sample mismatch reporting
- Fix passing arguments to stackcollapse report in a 'perf script' python script.
- Allow build-id with trailing zeros.
- Look for ImageBase in PE file to compute .text offset.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo:
- Add missing fields and remove some duplicate fields when printing a
perf_event_attr.
- Fix hybrid config terms list corruption.
- Update kernel header copies, some resulted in new kernel features
being automagically added to 'perf trace' syscall/tracepoint argument
id->string translators.
- Add a file generated during the documentation build to .gitignore.
- Add an option to build without libbfd, as some distros, like Debian
consider its ABI unstable.
- Add support to print a textual representation of IBS raw sample data
in 'perf report'.
- Fix bpf 'perf test' sample mismatch reporting
- Fix passing arguments to stackcollapse report in a 'perf script'
python script.
- Allow build-id with trailing zeros.
- Look for ImageBase in PE file to compute .text offset.
* tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (25 commits)
tools headers UAPI: Update tools's copy of drm.h headers
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
tools headers UAPI: Sync linux/fs.h with the kernel sources
tools headers UAPI: Sync linux/in.h copy with the kernel sources
perf tools: Add an option to build without libbfd
perf tools: Allow build-id with trailing zeros
perf tools: Fix hybrid config terms list corruption
perf tools: Factor out copy_config_terms() and free_config_terms()
perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields
perf tools: Ignore Documentation dependency file
perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions
tools include UAPI: Update linux/mount.h copy
perf beauty: Cover more flags in the move_mount syscall argument beautifier
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools include UAPI: Sync sound/asound.h copy with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
perf report: Add support to print a textual representation of IBS raw sample data
perf report: Add tools/arch/x86/include/asm/amd-ibs.h
perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings
...
- Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
original hotplug code and now causing trouble with the ARM64 cache
topology setup due to the pointless SMP function call. It's not longer
required as the hotplug callbacks are guaranteed to be invoked on the
upcoming CPU.
- Remove the deprecated and now unused CPU hotplug functions
- Rewrite the CPU hotplug API documentation
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Merge tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
"Updates for the SMP and CPU hotplug:
- Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
original hotplug code and now causing trouble with the ARM64 cache
topology setup due to the pointless SMP function call.
It's not longer required as the hotplug callbacks are guaranteed to
be invoked on the upcoming CPU.
- Remove the deprecated and now unused CPU hotplug functions
- Rewrite the CPU hotplug API documentation"
* tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: core-api/cpuhotplug: Rewrite the API section
cpu/hotplug: Remove deprecated CPU-hotplug functions.
thermal: Replace deprecated CPU-hotplug functions.
drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
Here is a single patch for 5.15-rc1, for the lkdtm misc driver.
It resolves a build issue that many people were hitting with your
current tree, and Kees and others felt would be good to get merged
before -rc1 comes out, to prevent them from having to constantly hit it
as many development trees restart on -rc1, not older -rc releases.
It has NOT been in linux-next, but has passed 0-day testing and looks
"obviously correct" when reviewing it locally :)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver fix from Greg KH:
"Here is a single patch for 5.15-rc1, for the lkdtm misc driver.
It resolves a build issue that many people were hitting with your
current tree, and Kees and others felt would be good to get merged
before -rc1 comes out, to prevent them from having to constantly hit
it as many development trees restart on -rc1, not older -rc releases.
It has NOT been in linux-next, but has passed 0-day testing and looks
'obviously correct' when reviewing it locally :)"
* tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
lkdtm: Use init_uts_ns.name instead of macros
Nothing bug, but probably needs to go in.
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Merge tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"A couple of very minor fixes for style and rate limiting.
Nothing big, but probably needs to go in"
* tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi:
char: ipmi: use DEVICE_ATTR helper macro
ipmi: rate limit ipmi smi_event failure message
- Make sure the run-queue balance callback is invoked only on the outgoing CPU
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Merge tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Make sure the idle timer expires in hardirq context, on PREEMPT_RT
- Make sure the run-queue balance callback is invoked only on the
outgoing CPU
* tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Prevent balance_push() on remote runqueues
sched/idle: Make the idle timer expire in hard interrupt context
inconsistent state
- Avoid a potential null pointer dereference in the ww_mutex deadlock check
- Other smaller cleanups and optimizations
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Merge tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Fix the futex PI requeue machinery to not return to userspace in
inconsistent state
- Avoid a potential null pointer dereference in the ww_mutex deadlock
check
- Other smaller cleanups and optimizations
* tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Fix ww_mutex deadlock check
futex: Remove unused variable 'vpid' in futex_proxy_trylock_atomic()
futex: Avoid redundant task lookup
futex: Clarify comment for requeue_pi_wake_futex()
futex: Prevent inconsistent state and exit race
futex: Return error code instead of assigning it without effect
locking/rwsem: Add missing __init_rwsem() for PREEMPT_RT
Pull namei updates from Al Viro:
"Clearing fallout from mkdirat in io_uring series. The fix in the
kern_path_locked() patch plus associated cleanups"
* 'misc.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
putname(): IS_ERR_OR_NULL() is wrong here
namei: Standardize callers of filename_create()
namei: Standardize callers of filename_lookup()
rename __filename_parentat() to filename_parentat()
namei: Fix use after free in kern_path_locked
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Merge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull smbfs updates from Steve French:
"cifs/smb3 updates:
- DFS reconnect fix
- begin creating common headers for server and client
- rename the cifs_common directory to smbfs_common to be more
consistent ie change use of the name cifs to smb (smb3 or smbfs is
more accurate, as the very old cifs dialect has long been
superseded by smb3 dialects).
In the future we can rename the fs/cifs directory to fs/smbfs.
This does not include the set of multichannel fixes nor the two
deferred close fixes (they are still being reviewed and tested)"
* tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6:
cifs: properly invalidate cached root handle when closing it
cifs: move SMB FSCTL definitions to common code
cifs: rename cifs_common to smbfs_common
cifs: update FSCTL definitions
vduse driver supporting blk
virtio-vsock support for end of record with SEQPACKET
vdpa: mac and mq support for ifcvf and mlx5
vdpa: management netlink for ifcvf
virtio-i2c, gpio dt bindings
misc fixes, cleanups
NB: when merging this with
b542e383d8 ("eventfd: Make signal recursion protection a task bit")
from Linus' tree, replace eventfd_signal_count with
eventfd_signal_allowed, and drop the export of eventfd_wake_count from
("eventfd: Export eventfd_wake_count to modules").
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vduse driver ("vDPA Device in Userspace") supporting emulated virtio
block devices
- virtio-vsock support for end of record with SEQPACKET
- vdpa: mac and mq support for ifcvf and mlx5
- vdpa: management netlink for ifcvf
- virtio-i2c, gpio dt bindings
- misc fixes and cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (39 commits)
Documentation: Add documentation for VDUSE
vduse: Introduce VDUSE - vDPA Device in Userspace
vduse: Implement an MMU-based software IOTLB
vdpa: Support transferring virtual addressing during DMA mapping
vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap()
vdpa: Add an opaque pointer for vdpa_config_ops.dma_map()
vhost-iotlb: Add an opaque pointer for vhost IOTLB
vhost-vdpa: Handle the failure of vdpa_reset()
vdpa: Add reset callback in vdpa_config_ops
vdpa: Fix some coding style issues
file: Export receive_fd() to modules
eventfd: Export eventfd_wake_count to modules
iova: Export alloc_iova_fast() and free_iova_fast()
virtio-blk: remove unneeded "likely" statements
virtio-balloon: Use virtio_find_vqs() helper
vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro
vsock_test: update message bounds test for MSG_EOR
af_vsock: rename variables in receive loop
virtio/vsock: support MSG_EOR bit processing
vhost/vsock: support MSG_EOR bit processing
...
* A pair of defconfig additions, for NVMe and the EFI filesystem
localization options.
* A larger address space for stack randomization.
* A cleanup to our install rules.
* A DTS update for the Microchip Icicle board, to fix the serial
console.
* Support for build-time table sorting, which allows us to have
__ex_table read-only.
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Merge tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- A pair of defconfig additions, for NVMe and the EFI filesystem
localization options.
- A larger address space for stack randomization.
- A cleanup to our install rules.
- A DTS update for the Microchip Icicle board, to fix the serial
console.
- Support for build-time table sorting, which allows us to have
__ex_table read-only.
* tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Move EXCEPTION_TABLE to RO_DATA segment
riscv: Enable BUILDTIME_TABLE_SORT
riscv: dts: microchip: mpfs-icicle: Fix serial console
riscv: move the (z)install rules to arch/riscv/Makefile
riscv: Improve stack randomisation on RV64
riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1
riscv: defconfig: enable BLK_DEV_NVME
Pull coccinelle updates from Julia Lawall:
"These changes update some existing semantic patches with
respect to some recent changes in the kernel.
Specifically, the change to kvmalloc.cocci searches for
kfree_sensitive rather than kzfree, and the change to
use_after_iter.cocci adds list_entry_is_head as a valid
use of a list iterator index variable after the end of
the loop"
* 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
scripts: coccinelle: allow list_entry_is_head() to use pos
coccinelle: api: rename kzfree to kfree_sensitive
Picking the changes from:
17ce9c61c7 ("drm: document DRM_IOCTL_MODE_RMFB")
Doesn't result in any tooling changes:
$ tools/perf/trace/beauty/drm_ioctl.sh > before
$ cp include/uapi/drm/drm.h tools/include/uapi/drm/drm.h
$ tools/perf/trace/beauty/drm_ioctl.sh > after
$ diff -u before after
Silencing these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h'
diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h
Cc: Simon Ser <contact@emersion.fr>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
b65a948973 ("drm/i915/userptr: Probe existence of backing struct pages upon creation")
ee242ca704 ("drm/i915/guc: Implement GuC priority management")
81340cf3bd ("drm/i915/uapi: reject set_domain for discrete")
7961c5b60f ("drm/i915: Add TTM offset argument to mmap.")
aef7b67a79 ("drm/i915/uapi: convert drm_i915_gem_userptr to kernel doc")
e7737b67ab ("drm/i915/uapi: reject caching ioctls for discrete")
3aa8c57fe2 ("drm/i915/uapi: convert drm_i915_gem_set_domain to kernel doc")
289f5a7200 ("drm/i915/uapi: convert drm_i915_gem_caching to kernel doc")
4a766ae40e ("drm/i915: Drop the CONTEXT_CLONE API (v2)")
6ff6d61dd2 ("drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP")
fe4751c3d5 ("drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE")
577729533c ("drm/i915: Document the Virtual Engine uAPI")
c649432e86 ("drm/i915: Fix busy ioctl commentary")
That doesn't result in any changes to tooling as no new ioctl were
added (at least not perceived by tools/perf/trace/beauty/drm_ioctl.sh).
Addressing this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the change in:
7957d93bf3 ("block: add ioctl to read the disk sequence number")
It adds a new ioctl, but we are still not using that to generate tables
for 'perf trace', so no changes in tooling.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h'
diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
db243b7964 ("net/ipv4/ipv6: Replace one-element arraya with flexible-array members")
2d3e5caf96 ("net/ipv4: Replace one-element array with flexible-array member")
That don't result in any change in tooling, the structs changed remains
with the same layout.
This addresses this build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h
Cc: David S. Miller <davem@davemloft.net>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Some distributions, like debian, don't link perf with libbfd. Add a
build flag to make this configuration buildable and testable.
This was inspired by:
https://lore.kernel.org/linux-perf-users/20210910102307.2055484-1-tonyg@leastfixedpoint.com/T/#u
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: tony garnock-jones <tonyg@leastfixedpoint.com>
Link: http://lore.kernel.org/lkml/20210910225756.729087-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Currently perf saves a build-id with size but old versions assumes the
size of 20. In case the build-id is less than 20 (like for MD5), it'd
fill the rest with 0s.
I saw a problem when old version of perf record saved a binary in the
build-id cache and new version of perf reads the data. The symbols
should be read from the build-id cache (as the path no longer has the
same binary) but it failed due to mismatch in the build-id.
symsrc__init: build id mismatch for /home/namhyung/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf.
The build-id event in the data has 20 byte build-ids, but it saw a
different size (16) when it reads the build-id of the elf file in the
build-id cache.
$ readelf -n ~/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf
Displaying notes found in: .note.gnu.build-id
Owner Data size Description
GNU 0x00000010 NT_GNU_BUILD_ID (unique build ID bitstring)
Build ID: 53e4c2f42a4c61a2d632d92a72afa08f
Let's fix this by allowing trailing zeros if the size is different.
Fixes: 39be8d0115 ("perf tools: Pass build_id object to dso__build_id_equal()")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210910224630.1084877-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
