Re: [PATCH 5.10 08/14] arm64: errata: Add newer ARM cores to the spectre_bhb_loop_affected() lists

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

Summary of potential issues:
ℹ️ This is part 8/14 of a series
⚠️ Found follow-up fixes in mainline

The upstream commit SHA1 provided is correct: a5951389e58d2e816eed3dbec5877de9327fd881

WARNING: Author mismatch between patch and upstream commit:
Backport author: Pu Lehui<pulehui@huaweicloud.com>
Commit author: Douglas Anderson<dianders@chromium.org>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)
6.14.y | Present (different SHA1: e060dbb7393e)
6.12.y | Present (different SHA1: 9ca4fe357464)
6.6.y | Present (different SHA1: 4117975672c4)
6.1.y | Present (different SHA1: a53b3599d9bf)
5.15.y | Present (different SHA1: 46e22de65eb4)

Found fixes commits:
fee4d171451c arm64: errata: Add missing sentinels to Spectre-BHB MIDR arrays

Note: The patch differs from the upstream commit:
---
1:  a5951389e58d2 ! 1:  b739a64740293 arm64: errata: Add newer ARM cores to the spectre_bhb_loop_affected() lists
    @@ Metadata
      ## Commit message ##
         arm64: errata: Add newer ARM cores to the spectre_bhb_loop_affected() lists
     
    +    [ Upstream commit a5951389e58d2e816eed3dbec5877de9327fd881 ]
    +
         When comparing to the ARM list [1], it appears that several ARM cores
         were missing from the lists in spectre_bhb_loop_affected(). Add them.
     
    @@ Commit message
         Reviewed-by: James Morse <james.morse@arm.com>
         Link: https://lore.kernel.org/r/20250107120555.v4.5.I4a9a527e03f663040721c5401c41de587d015c82@changeid
         Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
    +    Signed-off-by: Pu Lehui <pulehui@huawei.com>
     
      ## arch/arm64/kernel/proton-pack.c ##
     @@ arch/arm64/kernel/proton-pack.c: static u8 spectre_bhb_loop_affected(void)
---

NOTE: These results are for this patch alone. Full series testing will be
performed when all parts are received.

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.15.y       |  Success    |  Success   |