linux-kernel - Re: [PATCH v2 0/6] powerpc: use lock guards for mutex Set 1

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Message-ID: <aBIlrYRE8TvWAKI_@linux.ibm.com>
Date: Wed, 30 Apr 2025 18:59:17 +0530
From: Srikar Dronamraju <srikar@...ux.ibm.com>
To: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: maddy@...ux.ibm.com, linuxppc-dev@...ts.ozlabs.org, npiggin@...il.com,
        christophe.leroy@...roup.eu, mpe@...erman.id.au, peterz@...radead.org,
        fbarrat@...ux.ibm.com, ajd@...ux.ibm.com, mahesh@...ux.ibm.com,
        oohall@...il.com, hbathini@...ux.ibm.com, dhowells@...hat.com,
        haren@...ux.ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/6] powerpc: use lock guards for mutex Set 1

* Shrikanth Hegde <sshegde@...ux.ibm.com> [2025-03-14 17:14:56]:

> This is an effort to make the code simpler by making use of lock
> guards which were introduced in [1], which works by using __cleanup 
> attributes. More details in v1 cover letter
> 
> This series aims mainly at simplifying code around mutex with goto
> statements. If it makes sense, there are more code simplification which 
> can done for preempt, rcu, spinlock as well. Even for mutex, there is
> more which could be done. Even there are usecases for kfree which could
> use the new __free infra. 
> 
> Please review. Code is compile/boot tested except for powernv. 
> Have kept the patches separate for easier bisect. Let me if they should
> be combined into one. Commit message is same for all. 
> 
> [1]: https://lkml.kernel.org/r/20230612093537.614161713%40infradead.org
> v1: https://lore.kernel.org/all/20250314054544.1998928-1-sshegde@linux.ibm.com/#t
> 
> v1->v2:
> - Fix changelog of powernv (Andrew Donnellan)
> - use scoped_guard in couple of places to avoid holding mutex
>   un-necessarily (Peter Zijlstra)
> 
> Shrikanth Hegde (6):
>   powerpc: eeh: use lock guard for mutex
>   powerpc: rtas: use lock guard for mutex
>   powerpc: fadump: use lock guard for mutex
>   powerpc: book3s: vas: use lock guard for mutex
>   powerpc: powernv: ocxl: use lock guard for mutex
>   powerpc: sysdev: use lock guard for mutex
> 

For all the patches in this series

Reviewed-by: Srikar Dronamraju <srikar@...ux.ibm.com>

-- 
Thanks and Regards
Srikar Dronamraju