Re: FAILED: patch "[PATCH] ARM: 9443/1: Require linker to support KEEP within OVERLAY" failed to apply to 6.13-stable tree

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: e7607f7d6d81af71dcc5171278aadccc94d277cd

Status in newer kernel trees:
6.14.y | Present (different SHA1: 9309361bbaee)

Note: The patch differs from the upstream commit:
---
1:  e7607f7d6d81a ! 1:  c49dffd98b600 ARM: 9443/1: Require linker to support KEEP within OVERLAY for DCE
    @@ Metadata
     Author: Nathan Chancellor <nathan@kernel.org>
     
      ## Commit message ##
    -    ARM: 9443/1: Require linker to support KEEP within OVERLAY for DCE
    +    FAILED: patch "[PATCH] ARM: 9443/1: Require linker to support KEEP within OVERLAY" failed to apply to 6.13-stable tree
    +
    +    On Tue, Apr 08, 2025 at 11:15:05AM +0200, gregkh@linuxfoundation.org wrote:
    +    ...
    +    > ------------------ original commit in Linus's tree ------------------
    +    >
    +    > From e7607f7d6d81af71dcc5171278aadccc94d277cd Mon Sep 17 00:00:00 2001
    +    > From: Nathan Chancellor <nathan@kernel.org>
    +    > Date: Thu, 20 Mar 2025 22:33:49 +0100
    +    > Subject: [PATCH] ARM: 9443/1: Require linker to support KEEP within OVERLAY
    +    >  for DCE
    +
    +    Attached is a backport for 6.12 and 6.13. This change is necessary for
    +    "ARM: 9444/1: add KEEP() keyword to ARM_VECTORS", as pointed out at
    +    https://lore.kernel.org/71339b92-5292-48b7-8a45-addbac43ee32@sirena.org.uk/.
    +
    +    Cheers,
    +    Nathan
    +
    +    From 4800091d0ce47de62d584cda0c4c4eb2eedbe794 Mon Sep 17 00:00:00 2001
    +    From: Nathan Chancellor <nathan@kernel.org>
    +    Date: Thu, 20 Mar 2025 22:33:49 +0100
    +    Subject: [PATCH 6.12 and 6.13] ARM: 9443/1: Require linker to support KEEP
    +     within OVERLAY for DCE
    +
    +    commit e7607f7d6d81af71dcc5171278aadccc94d277cd upstream.
     
         ld.lld prior to 21.0.0 does not support using the KEEP keyword within an
         overlay description, which may be needed to avoid discarding necessary
    @@ Commit message
         Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
         Signed-off-by: Nathan Chancellor <nathan@kernel.org>
         Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    +    [nathan: Fix conflict in init/Kconfig due to lack of RUSTC symbols]
    +    Signed-off-by: Nathan Chancellor <nathan@kernel.org>
     
      ## arch/arm/Kconfig ##
     @@ arch/arm/Kconfig: config ARM
    @@ init/Kconfig: config CC_HAS_COUNTED_BY
     +	# https://github.com/llvm/llvm-project/pull/130661
     +	def_bool LD_IS_BFD || LLD_VERSION >= 210000
     +
    - config RUSTC_HAS_COERCE_POINTEE
    - 	def_bool RUSTC_VERSION >= 108400
    - 
    + config PAHOLE_VERSION
    + 	int
    + 	default $(shell,$(srctree)/scripts/pahole-version.sh $(PAHOLE))
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.13.y       |  Success    |  Success   |