Commit 502c9e9c59f1 for kernel

commit 502c9e9c59f193be17ea45302d7c457ee00de524
Merge: c6859eed755d ffa0aa5b625f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Jul 19 08:55:38 2026 -0700

    Merge tag 'x86-urgent-2026-07-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

    Pull x86 fixes from Ingo Molnar:

     - Reject too long acpi_rsdp= boot parameter values (Thorsten Blum)

     - Validate console=uart8250 baud rate to fix early boot hang (Thorsten
       Blum)

     - Remove dead Makefile rule (Ethan Nelson-Moore)

    * tag 'x86-urgent-2026-07-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
      x86/boot: Validate console=uart8250 baud rate to fix early boot hang
      x86/boot: Reject too long acpi_rsdp= values
      x86/cpu: Remove Makefile rule for removed UMC CPU support