linux-kernel - Re: [PATCH] powerpc/cputable: Add missing PPC_FEATURE

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Message-Id: <170800185785.599237.15747454436307843287.b4-ty@ellerman.id.au>
Date: Thu, 15 Feb 2024 23:57:37 +1100
From: Michael Ellerman <patch-notifications@...erman.id.au>
To: npiggin@...il.com, christophe.leroy@...roup.eu, aneesh.kumar@...nel.org, naveen.n.rao@...ux.ibm.com, David Engraf <david.engraf@...go.com>
Cc: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E

On Wed, 07 Feb 2024 10:27:58 +0100, David Engraf wrote:
> Commit e320a76db4b0 ("powerpc/cputable: Split cpu_specs[] out of cputable.h")
> moved the cpu_specs to separate header files. Previously PPC_FEATURE_BOOKE
> was enabled by CONFIG_PPC_BOOK3E_64. The definition in cpu_specs_e500mc.h
> for PPC64 no longer enables PPC_FEATURE_BOOKE.
> 
> This breaks user space reading the ELF hwcaps and expect PPC_FEATURE_BOOKE.
> Debugging an application with gdb is no longer working on e5500/e6500
> because the 64-bit detection relies on PPC_FEATURE_BOOKE for Book-E.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E
      https://git.kernel.org/powerpc/c/eb6d871f4ba49ac8d0537e051fe983a3a4027f61

cheers