Re: v6.12-rt arm updates

Daniel Wagner <[email protected]> Fri, 17 Jul 2026 14:17:54 +0000
Newsgroups org.kernel.vger.stable-rt,org.cip-project.lists.cip-dev
Message-ID <[email protected]>
On 7/17/26 4:03 PM, [email protected] wrote:
> On 2026-07-17 13:54:58 [+0000], Daniel Wagner wrote:
>>>> # Commits in upstream but not in v6.12-stable
>>>> ARM__enable_irq_in_translation_section_permission_fault_handlers.patch
>>>> #  59e4f3b45b96 ("ARM: ensure interrupts are enabled in __do_user_faul=
t()")
>>
>> I've replaced the downstream patch with the commit mentioned...
>>> You should be able to drop a few of those and replace them with what I
>>> have in v6.18
>>> =09https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.gi=
t/commit/?h=3Dlinux-6.18.y-rt-patches&id=3D73c8e8d7a75fcc8b9026385e64990f3d=
5ec8a40d
>>
>> ... which is what you have done here as well. The main difference is
>> that v6.12-stable ships 'ARM: 9459/1: Disable jump-label on PREEMPT_RT'
>=20
> It does? Not as of v6.12.95.

You are right, I was looking at the wrong tree. I am adding it back.

>> The resulting v6.12-rt queue is
>>
>> 0001-ARM-ensure-interrupts-are-enabled-in-__do_user_fault.patch
>=20
> This looks like 59e4f3b45b96a ("ARM: ensure interrupts are enabled in __d=
o_user_fault()")

Correct.

So here my updated queue (the comment points to the upstream
version of the patch):

0001-ARM-ensure-interrupts-are-enabled-in-__do_user_fault.patch
# 59e4f3b45b96 ("ARM: ensure interrupts are enabled in __do_user_fault()")

0001-ARM-vfp-Provide-vfp_state_hold-for-VFP-locking.patch
0002-ARM-vfp-Use-vfp_state_hold-in-vfp_sync_hwstate.patch
0003-ARM-vfp-Use-vfp_state_hold-in-vfp_support_entry.patch
0004-ARM-vfp-Move-sending-signals-outside-of-vfp_state_ho.patch
#  f26bdbe1fa9f ("ARM: 9423/1: vfp: Provide vfp_state_hold() for VFP=20
locking.")
#  b54cdbad4a39 ("ARM: 9424/1: vfp: Use vfp_state_hold() in=20
vfp_sync_hwstate().")
#  27035c23bad5 ("ARM: 9425/1: vfp: Use vfp_state_hold() in=20
vfp_support_entry().")
#  c0b5195bad63 ("ARM: 9426/1: vfp: Move sending signals outside of=20
vfp_state_hold()ed section.")

0001-arm-Disable-jump-label-on-PREEMPT_RT.patch
# 56d97d3587b ("ARM: 9459/1: Disable jump-label on PREEMPT_RT")

ARM__Allow_to_enable_RT.patch
#  c6e61c06d606 ("ARM: 9463/1: Allow to enable RT")