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From: Oliver Upton <oliver.upton@linux.dev>
To: kvm-riscv@lists.infradead.org
Subject: [PATCH v2 0/4] KVM: Refactor KVM stats macros and enable custom stat names
Date: Wed, 26 Apr 2023 17:21:58 +0000	[thread overview]
Message-ID: <ZEldtrUVBgmlrFOl@linux.dev> (raw)
In-Reply-To: <20230306190156.434452-1-dmatlack@google.com>

On Mon, Mar 06, 2023 at 11:01:52AM -0800, David Matlack wrote:
> This series refactors the KVM stats macros to reduce duplication and
> adds the support for choosing custom names for stats.
> 
> Custom name makes it possible to decouple the userspace-visible stat
> names from their internal representation in C. This can allow future
> commits to refactor the various stats structs without impacting
> userspace tools that read KVM stats.
> 
> This also allows stats to be stored in data structures such as arrays,
> without needing unions to access specific stats. Case in point, the last
> patch in this series removes the pages_{4k,2m,1g} union, which is a
> useful cleanup to prepare for sharing paging code across architectures
> [1].
> 
> And for full transparency, another motivation for this series it that at
> Google we have several out-of-tree stats that use arrays. Custom name
> support is something we added internally and it reduces our technical
> debt to get the support merged upstream.

For the series:

Reviewed-by: Oliver Upton <oliver.upton@linux.dev>

-- 
Thanks,
Oliver


  parent reply	other threads:[~2023-04-26 17:21 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-06 19:01 [PATCH v2 0/4] KVM: Refactor KVM stats macros and enable custom stat names David Matlack
2023-03-06 19:01 ` [PATCH v2 1/4] KVM: Refactor stats descriptor generation macros David Matlack
2023-04-06  4:42   ` Anup Patel
2023-03-06 19:01 ` [PATCH v2 2/4] KVM: Refactor designated initializer macros for struct _kvm_stats_desc David Matlack
2023-03-06 19:01 ` [PATCH v2 3/4] KVM: Allow custom names for KVM_STAT() David Matlack
2023-03-06 19:01 ` [PATCH v2 4/4] KVM: x86: Drop union for pages_{4k,2m,1g} stats David Matlack
2023-04-07 23:30 ` [PATCH v2 0/4] KVM: Refactor KVM stats macros and enable custom stat names Sean Christopherson
2023-04-26 17:21 ` Oliver Upton [this message]
2023-05-09 20:51 ` David Matlack

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