linux-kernel - Re: [PATCH v1 1/4] powerpc/ftrace: Don't use lmw/stmw in ftrace_regs

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Message-Id: <164674129368.3322453.9191334445476386091.b4-ty@ellerman.id.au>
Date:   Tue, 08 Mar 2022 23:08:13 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v1 1/4] powerpc/ftrace: Don't use lmw/stmw in ftrace_regs_caller()

On Thu, 17 Feb 2022 13:01:56 +0100, Christophe Leroy wrote:
> For the same reason as commit a85c728cb5e1 ("powerpc/32: Don't use
> lmw/stmw for saving/restoring non volatile regs"), don't use
> lmw/stmw in ftrace_regs_caller().
> 
> Use the same macros for PPC32 and PPC64.
> 
> 
> [...]

Applied to powerpc/next.

[1/4] powerpc/ftrace: Don't use lmw/stmw in ftrace_regs_caller()
      https://git.kernel.org/powerpc/c/9bdb2eec3dde4d66b71cb4bbaebde0caed2cf0e3
[2/4] powerpc/ftrace: Refactor ftrace_{regs_}caller
      https://git.kernel.org/powerpc/c/228216716cb5f9a19d70bfc40bdc0d6a7fb7e72f
[3/4] powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
      https://git.kernel.org/powerpc/c/a5f04d1f2724db036ba4087873c0691881932bc9
[4/4] powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
      https://git.kernel.org/powerpc/c/2ca48dbb210767b9e7166d7d47febc8fcd1da6e1

cheers