linux-kernel - Re: [PATCH] Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"

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Message-Id: <159851436179.52163.400542101081853718.b4-ty@ellerman.id.au>
Date:   Thu, 27 Aug 2020 17:46:54 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     pratik.r.sampat@...il.com, linux-kernel@...r.kernel.org,
        mpe@...erman.id.au, mikey@...ling.org, svaidy@...ux.ibm.com,
        ego@...ux.vnet.ibm.com, npiggin@...il.com,
        Pratik Rajesh Sampat <psampat@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"

On Wed, 26 Aug 2020 13:59:18 +0530, Pratik Rajesh Sampat wrote:
> Cpuidle stop state implementation has minor optimizations for P10
> where hardware preserves more SPR registers compared to P9.
> The current P9 driver works for P10, although does few extra
> save-restores. P9 driver can provide the required power management
> features like SMT thread folding and core level power savings
> on a P10 platform.
> 
> [...]

Applied to powerpc/fixes.

[1/1] Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"
      https://git.kernel.org/powerpc/c/16d83a540ca4e7f1ebb2b3756869b77451d31414

cheers