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<title>linux.git, branch v6.5-rc7</title>
<subtitle>Linux kernel source tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/'/>
<entry>
<title>Linux 6.5-rc7</title>
<updated>2023-08-20T13:02:52+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-20T13:02:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=706a741595047797872e669b3101429ab8d378ef'/>
<id>706a741595047797872e669b3101429ab8d378ef</id>
<content type='text'>
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
</pre>
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</content>
</entry>
<entry>
<title>Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty</title>
<updated>2023-08-20T06:26:51+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-20T06:26:51+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=b320441c04c9bea76cbee1196ae55c20288fd7a6'/>
<id>b320441c04c9bea76cbee1196ae55c20288fd7a6</id>
<content type='text'>
Pull tty/serial fixes from Greg KH:
 "Here are some small tty and serial core fixes for 6.5-rc7 that resolve
  a lot of reported issues.

  Primarily in here are the fixes for the serial bus code from Tony that
  came in -rc1, as it hit wider testing with the huge number of
  different types of systems and serial ports. All of the reported
  issues with duplicate names and other issues with this code are now
  resolved.

  Other than that included in here is:

   - n_gsm fix for a previous fix

   - 8250 lockdep annotation fix

   - fsl_lpuart serial driver fix

   - TIOCSTI documentation update for previous CAP_SYS_ADMIN change

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: core: Fix serial core port id, including multiport devices
  serial: 8250: drop lockdep annotation from serial8250_clear_IER()
  tty: n_gsm: fix the UAF caused by race condition in gsm_cleanup_mux
  serial: core: Revert port_id use
  TIOCSTI: Document CAP_SYS_ADMIN behaviour in Kconfig
  serial: 8250: Fix oops for port-&gt;pm on uart_change_pm()
  serial: 8250: Reinit port_id when adding back serial8250_isa_devs
  serial: core: Fix kmemleak issue for serial core device remove
  MAINTAINERS: Merge TTY layer and serial drivers
  serial: core: Fix serial_base_match() after fixing controller port name
  serial: core: Fix serial core controller port name to show controller id
  serial: core: Fix serial core port id to not use port-&gt;line
  serial: core: Controller id cannot be negative
  tty: serial: fsl_lpuart: Clear the error flags by writing 1 for lpuart32 platforms
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull tty/serial fixes from Greg KH:
 "Here are some small tty and serial core fixes for 6.5-rc7 that resolve
  a lot of reported issues.

  Primarily in here are the fixes for the serial bus code from Tony that
  came in -rc1, as it hit wider testing with the huge number of
  different types of systems and serial ports. All of the reported
  issues with duplicate names and other issues with this code are now
  resolved.

  Other than that included in here is:

   - n_gsm fix for a previous fix

   - 8250 lockdep annotation fix

   - fsl_lpuart serial driver fix

   - TIOCSTI documentation update for previous CAP_SYS_ADMIN change

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: core: Fix serial core port id, including multiport devices
  serial: 8250: drop lockdep annotation from serial8250_clear_IER()
  tty: n_gsm: fix the UAF caused by race condition in gsm_cleanup_mux
  serial: core: Revert port_id use
  TIOCSTI: Document CAP_SYS_ADMIN behaviour in Kconfig
  serial: 8250: Fix oops for port-&gt;pm on uart_change_pm()
  serial: 8250: Reinit port_id when adding back serial8250_isa_devs
  serial: core: Fix kmemleak issue for serial core device remove
  MAINTAINERS: Merge TTY layer and serial drivers
  serial: core: Fix serial_base_match() after fixing controller port name
  serial: core: Fix serial core controller port name to show controller id
  serial: core: Fix serial core port id to not use port-&gt;line
  serial: core: Controller id cannot be negative
  tty: serial: fsl_lpuart: Clear the error flags by writing 1 for lpuart32 platforms
</pre>
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</content>
</entry>
<entry>
<title>Merge tag 'rust-fixes-6.5-rc7' of https://github.com/Rust-for-Linux/linux</title>
<updated>2023-08-20T06:18:58+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-20T06:18:58+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=ec27a636d7e1aa05e64ef0b1bd848f27f8105a39'/>
<id>ec27a636d7e1aa05e64ef0b1bd848f27f8105a39</id>
<content type='text'>
Pull rust fix from Miguel Ojeda:

 - Macros: fix 'HAS_*' redefinition by the '#[vtable]' macro
   under conditional compilation

* tag 'rust-fixes-6.5-rc7' of https://github.com/Rust-for-Linux/linux:
  rust: macros: vtable: fix `HAS_*` redefinition (`gen_const_name`)
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull rust fix from Miguel Ojeda:

 - Macros: fix 'HAS_*' redefinition by the '#[vtable]' macro
   under conditional compilation

* tag 'rust-fixes-6.5-rc7' of https://github.com/Rust-for-Linux/linux:
  rust: macros: vtable: fix `HAS_*` redefinition (`gen_const_name`)
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'i2c-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux</title>
<updated>2023-08-19T17:22:41+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T17:22:41+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=9e6c269de404bef2fb50b9407e988083a0805e3b'/>
<id>9e6c269de404bef2fb50b9407e988083a0805e3b</id>
<content type='text'>
Pull i2c fixes from Wolfram Sang:
 "Usual set of driver fixes. A bit more than usual because I was
  unavailable for a while"

* tag 'i2c-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: bcm-iproc: Fix bcm_iproc_i2c_isr deadlock issue
  i2c: Update documentation to use .probe() again
  i2c: sun6i-p2wi: Fix an error message in probe()
  i2c: hisi: Only handle the interrupt of the driver's transfer
  i2c: tegra: Fix i2c-tegra DMA config option processing
  i2c: tegra: Fix failure during probe deferral cleanup
  i2c: designware: Handle invalid SMBus block data response length value
  i2c: designware: Correct length byte validation logic
  i2c: imx-lpi2c: return -EINVAL when i2c peripheral clk doesn't work
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull i2c fixes from Wolfram Sang:
 "Usual set of driver fixes. A bit more than usual because I was
  unavailable for a while"

* tag 'i2c-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: bcm-iproc: Fix bcm_iproc_i2c_isr deadlock issue
  i2c: Update documentation to use .probe() again
  i2c: sun6i-p2wi: Fix an error message in probe()
  i2c: hisi: Only handle the interrupt of the driver's transfer
  i2c: tegra: Fix i2c-tegra DMA config option processing
  i2c: tegra: Fix failure during probe deferral cleanup
  i2c: designware: Handle invalid SMBus block data response length value
  i2c: designware: Correct length byte validation logic
  i2c: imx-lpi2c: return -EINVAL when i2c peripheral clk doesn't work
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'for-6.5-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux</title>
<updated>2023-08-19T15:57:07+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T15:57:07+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=12e6ccedb311b32b16f767fdd606cc84630e45ae'/>
<id>12e6ccedb311b32b16f767fdd606cc84630e45ae</id>
<content type='text'>
Pull btrfs fixes from David Sterba:

 - fix infinite loop in readdir(), could happen in a big directory when
   files get renamed during enumeration

 - fix extent map handling of skipped pinned ranges

 - fix a corner case when handling ordered extent length

 - fix a potential crash when balance cancel races with pause

 - verify correct uuid when starting scrub or device replace

* tag 'for-6.5-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
  btrfs: fix BUG_ON condition in btrfs_cancel_balance
  btrfs: only subtract from len_to_oe_boundary when it is tracking an extent
  btrfs: fix replace/scrub failure with metadata_uuid
  btrfs: fix infinite directory reads
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull btrfs fixes from David Sterba:

 - fix infinite loop in readdir(), could happen in a big directory when
   files get renamed during enumeration

 - fix extent map handling of skipped pinned ranges

 - fix a corner case when handling ordered extent length

 - fix a potential crash when balance cancel races with pause

 - verify correct uuid when starting scrub or device replace

* tag 'for-6.5-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
  btrfs: fix BUG_ON condition in btrfs_cancel_balance
  btrfs: only subtract from len_to_oe_boundary when it is tracking an extent
  btrfs: fix replace/scrub failure with metadata_uuid
  btrfs: fix infinite directory reads
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'fbdev-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev</title>
<updated>2023-08-19T15:43:55+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T15:43:55+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=b5cab28be6ccf08237078b675fc1d446679779ba'/>
<id>b5cab28be6ccf08237078b675fc1d446679779ba</id>
<content type='text'>
Pull fbdev fixes and cleanups from Helge Deller:

 - various code cleanups in amifb, atmel_lcdfb, ssd1307fb, kyro and
   goldfishfb

* tag 'fbdev-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: goldfishfb: Do not check 0 for platform_get_irq()
  fbdev: atmel_lcdfb: Remove redundant of_match_ptr()
  fbdev: kyro: Remove unused declarations
  fbdev: ssd1307fb: Print the PWM's label instead of its number
  fbdev: mmp: fix value check in mmphw_probe()
  fbdev: amifb: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull fbdev fixes and cleanups from Helge Deller:

 - various code cleanups in amifb, atmel_lcdfb, ssd1307fb, kyro and
   goldfishfb

* tag 'fbdev-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbdev: goldfishfb: Do not check 0 for platform_get_irq()
  fbdev: atmel_lcdfb: Remove redundant of_match_ptr()
  fbdev: kyro: Remove unused declarations
  fbdev: ssd1307fb: Print the PWM's label instead of its number
  fbdev: mmp: fix value check in mmphw_probe()
  fbdev: amifb: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux</title>
<updated>2023-08-19T15:31:46+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T15:31:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=2383ffc41a7c701c058f6bb18030cd569aecd541'/>
<id>2383ffc41a7c701c058f6bb18030cd569aecd541</id>
<content type='text'>
Pull block fixes from Jens Axboe:
 "Main thing here is the fix for the regression in flush handling which
  caused IO hangs/stalls for a few reporters. Hopefully that should all
  be sorted out now. Outside of that, just a few minor fixes for issues
  that were introduced in this cycle"

* tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux:
  blk-mq: release scheduler resource when request completes
  blk-crypto: dynamically allocate fallback profile
  blk-cgroup: hold queue_lock when removing blkg-&gt;q_node
  drivers/rnbd: restore sysfs interface to rnbd-client
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull block fixes from Jens Axboe:
 "Main thing here is the fix for the regression in flush handling which
  caused IO hangs/stalls for a few reporters. Hopefully that should all
  be sorted out now. Outside of that, just a few minor fixes for issues
  that were introduced in this cycle"

* tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux:
  blk-mq: release scheduler resource when request completes
  blk-crypto: dynamically allocate fallback profile
  blk-cgroup: hold queue_lock when removing blkg-&gt;q_node
  drivers/rnbd: restore sysfs interface to rnbd-client
</pre>
</div>
</content>
</entry>
<entry>
<title>blk-mq: release scheduler resource when request completes</title>
<updated>2023-08-19T13:47:17+00:00</updated>
<author>
<name>Chengming Zhou</name>
<email>zhouchengming@bytedance.com</email>
</author>
<published>2023-08-13T15:23:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=e5c0ca13659e9d18f53368d651ed7e6e433ec1cf'/>
<id>e5c0ca13659e9d18f53368d651ed7e6e433ec1cf</id>
<content type='text'>
Chuck reported [1] an IO hang problem on NFS exports that reside on SATA
devices and bisected to commit 615939a2ae73 ("blk-mq: defer to the normal
submission path for post-flush requests").

We analysed the IO hang problem, found there are two postflush requests
waiting for each other.

The first postflush request completed the REQ_FSEQ_DATA sequence, so go to
the REQ_FSEQ_POSTFLUSH sequence and added in the flush pending list, but
failed to blk_kick_flush() because of the second postflush request which
is inflight waiting in scheduler queue.

The second postflush waiting in scheduler queue can't be dispatched because
the first postflush hasn't released scheduler resource even though it has
completed by itself.

Fix it by releasing scheduler resource when the first postflush request
completed, so the second postflush can be dispatched and completed, then
make blk_kick_flush() succeed.

While at it, remove the check for e-&gt;ops.finish_request, as all
schedulers set that. Reaffirm this requirement by adding a WARN_ON_ONCE()
at scheduler registration time, just like we do for insert_requests and
dispatch_request.

[1] https://lore.kernel.org/all/7A57C7AE-A51A-4254-888B-FE15CA21F9E9@oracle.com/

Link: https://lore.kernel.org/linux-block/20230819031206.2744005-1-chengming.zhou@linux.dev/
Reported-by: kernel test robot &lt;oliver.sang@intel.com&gt;
Closes: https://lore.kernel.org/oe-lkp/202308172100.8ce4b853-oliver.sang@intel.com
Fixes: 615939a2ae73 ("blk-mq: defer to the normal submission path for post-flush requests")
Reported-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Chengming Zhou &lt;zhouchengming@bytedance.com&gt;
Tested-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Link: https://lore.kernel.org/r/20230813152325.3017343-1-chengming.zhou@linux.dev
[axboe: folded in incremental fix and added tags]
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Chuck reported [1] an IO hang problem on NFS exports that reside on SATA
devices and bisected to commit 615939a2ae73 ("blk-mq: defer to the normal
submission path for post-flush requests").

We analysed the IO hang problem, found there are two postflush requests
waiting for each other.

The first postflush request completed the REQ_FSEQ_DATA sequence, so go to
the REQ_FSEQ_POSTFLUSH sequence and added in the flush pending list, but
failed to blk_kick_flush() because of the second postflush request which
is inflight waiting in scheduler queue.

The second postflush waiting in scheduler queue can't be dispatched because
the first postflush hasn't released scheduler resource even though it has
completed by itself.

Fix it by releasing scheduler resource when the first postflush request
completed, so the second postflush can be dispatched and completed, then
make blk_kick_flush() succeed.

While at it, remove the check for e-&gt;ops.finish_request, as all
schedulers set that. Reaffirm this requirement by adding a WARN_ON_ONCE()
at scheduler registration time, just like we do for insert_requests and
dispatch_request.

[1] https://lore.kernel.org/all/7A57C7AE-A51A-4254-888B-FE15CA21F9E9@oracle.com/

Link: https://lore.kernel.org/linux-block/20230819031206.2744005-1-chengming.zhou@linux.dev/
Reported-by: kernel test robot &lt;oliver.sang@intel.com&gt;
Closes: https://lore.kernel.org/oe-lkp/202308172100.8ce4b853-oliver.sang@intel.com
Fixes: 615939a2ae73 ("blk-mq: defer to the normal submission path for post-flush requests")
Reported-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Chengming Zhou &lt;zhouchengming@bytedance.com&gt;
Tested-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Link: https://lore.kernel.org/r/20230813152325.3017343-1-chengming.zhou@linux.dev
[axboe: folded in incremental fix and added tags]
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'media/v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media</title>
<updated>2023-08-19T11:13:55+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T11:13:55+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=aa9ea98cca3a56869df1dc6347f3e3bfe0c01f44'/>
<id>aa9ea98cca3a56869df1dc6347f3e3bfe0c01f44</id>
<content type='text'>
Pull media fixes from Mauro Carvalho Chehab:
 "Three driver fixes"

* tag 'media/v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: imx: imx7-media-csi: Fix applying format constraints
  media: uvcvideo: Fix menu count handling for userspace XU mappings
  media: mtk-jpeg: Set platform driver data earlier
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull media fixes from Mauro Carvalho Chehab:
 "Three driver fixes"

* tag 'media/v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: imx: imx7-media-csi: Fix applying format constraints
  media: uvcvideo: Fix menu count handling for userspace XU mappings
  media: mtk-jpeg: Set platform driver data earlier
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'x86_urgent_for_v6.5_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip</title>
<updated>2023-08-19T08:46:02+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-08-19T08:46:02+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=bf98bae3d8a18745e54fef9fd71fd129f6e9f7e5'/>
<id>bf98bae3d8a18745e54fef9fd71fd129f6e9f7e5</id>
<content type='text'>
Pull x86 fixes from Borislav Petkov:
 "Extraordinary embargoed times call for extraordinary measures. That's
  why this week's x86/urgent branch is larger than usual, containing all
  the known fallout fixes after the SRSO mitigation got merged.

  I know, it is a bit late in the game but everyone who has reported a
  bug stemming from the SRSO pile, has tested that branch and has
  confirmed that it fixes their bug.

  Also, I've run it on every possible hardware I have and it is looking
  good. It is running on this very machine while I'm typing, for 2 days
  now without an issue. Famous last words...

   - Use LEA ...%rsp instead of ADD %rsp in the Zen1/2 SRSO return
     sequence as latter clobbers flags which interferes with fastop
     emulation in KVM, leading to guests freezing during boot

   - A fix for the DIV(0) quotient data leak on Zen1 to clear the
     divider buffers at the right time

   - Disable the SRSO mitigation on unaffected configurations as it got
     enabled there unnecessarily

   - Change .text section name to fix CONFIG_LTO_CLANG builds

   - Improve the optprobe indirect jmp check so that certain
     configurations can still be able to use optprobes at all

   - A serious and good scrubbing of the untraining routines by PeterZ:
      - Add proper speculation stopping traps so that objtool is happy
      - Adjust objtool to handle the new thunks
      - Make the thunk pointer assignable to the different untraining
        sequences at runtime, thus avoiding the alternative at the
        return thunk. It simplifies the code a bit too.
      - Add a entry_untrain_ret() main entry point which selects the
        respective untraining sequence
      - Rename things so that they're more clear
      - Fix stack validation with FRAME_POINTER=y builds

   - Fix static call patching to handle when a JMP to the return thunk
     is the last insn on the very last module memory page

   - Add more documentation about what each untraining routine does and
     why"

* tag 'x86_urgent_for_v6.5_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/srso: Correct the mitigation status when SMT is disabled
  x86/static_call: Fix __static_call_fixup()
  objtool/x86: Fixup frame-pointer vs rethunk
  x86/srso: Explain the untraining sequences a bit more
  x86/cpu/kvm: Provide UNTRAIN_RET_VM
  x86/cpu: Cleanup the untrain mess
  x86/cpu: Rename srso_(.*)_alias to srso_alias_\1
  x86/cpu: Rename original retbleed methods
  x86/cpu: Clean up SRSO return thunk mess
  x86/alternative: Make custom return thunk unconditional
  objtool/x86: Fix SRSO mess
  x86/cpu: Fix up srso_safe_ret() and __x86_return_thunk()
  x86/cpu: Fix __x86_return_thunk symbol type
  x86/retpoline,kprobes: Skip optprobe check for indirect jumps with retpolines and IBT
  x86/retpoline,kprobes: Fix position of thunk sections with CONFIG_LTO_CLANG
  x86/srso: Disable the mitigation on unaffected configurations
  x86/CPU/AMD: Fix the DIV(0) initial fix attempt
  x86/retpoline: Don't clobber RFLAGS during srso_safe_ret()
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Pull x86 fixes from Borislav Petkov:
 "Extraordinary embargoed times call for extraordinary measures. That's
  why this week's x86/urgent branch is larger than usual, containing all
  the known fallout fixes after the SRSO mitigation got merged.

  I know, it is a bit late in the game but everyone who has reported a
  bug stemming from the SRSO pile, has tested that branch and has
  confirmed that it fixes their bug.

  Also, I've run it on every possible hardware I have and it is looking
  good. It is running on this very machine while I'm typing, for 2 days
  now without an issue. Famous last words...

   - Use LEA ...%rsp instead of ADD %rsp in the Zen1/2 SRSO return
     sequence as latter clobbers flags which interferes with fastop
     emulation in KVM, leading to guests freezing during boot

   - A fix for the DIV(0) quotient data leak on Zen1 to clear the
     divider buffers at the right time

   - Disable the SRSO mitigation on unaffected configurations as it got
     enabled there unnecessarily

   - Change .text section name to fix CONFIG_LTO_CLANG builds

   - Improve the optprobe indirect jmp check so that certain
     configurations can still be able to use optprobes at all

   - A serious and good scrubbing of the untraining routines by PeterZ:
      - Add proper speculation stopping traps so that objtool is happy
      - Adjust objtool to handle the new thunks
      - Make the thunk pointer assignable to the different untraining
        sequences at runtime, thus avoiding the alternative at the
        return thunk. It simplifies the code a bit too.
      - Add a entry_untrain_ret() main entry point which selects the
        respective untraining sequence
      - Rename things so that they're more clear
      - Fix stack validation with FRAME_POINTER=y builds

   - Fix static call patching to handle when a JMP to the return thunk
     is the last insn on the very last module memory page

   - Add more documentation about what each untraining routine does and
     why"

* tag 'x86_urgent_for_v6.5_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/srso: Correct the mitigation status when SMT is disabled
  x86/static_call: Fix __static_call_fixup()
  objtool/x86: Fixup frame-pointer vs rethunk
  x86/srso: Explain the untraining sequences a bit more
  x86/cpu/kvm: Provide UNTRAIN_RET_VM
  x86/cpu: Cleanup the untrain mess
  x86/cpu: Rename srso_(.*)_alias to srso_alias_\1
  x86/cpu: Rename original retbleed methods
  x86/cpu: Clean up SRSO return thunk mess
  x86/alternative: Make custom return thunk unconditional
  objtool/x86: Fix SRSO mess
  x86/cpu: Fix up srso_safe_ret() and __x86_return_thunk()
  x86/cpu: Fix __x86_return_thunk symbol type
  x86/retpoline,kprobes: Skip optprobe check for indirect jumps with retpolines and IBT
  x86/retpoline,kprobes: Fix position of thunk sections with CONFIG_LTO_CLANG
  x86/srso: Disable the mitigation on unaffected configurations
  x86/CPU/AMD: Fix the DIV(0) initial fix attempt
  x86/retpoline: Don't clobber RFLAGS during srso_safe_ret()
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