From: Reinette Chatre <reinette.chatre@intel.com>
To: Ben Horgan <ben.horgan@arm.com>
Cc: <james.morse@arm.com>, <fenghuay@nvidia.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <tglx@linutronix.de>,
<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>,
<hpa@zytor.com>, <corbet@lwn.net>, <x86@kernel.org>,
<linux-doc@vger.kernel.org>, <dave.martin@arm.com>
Subject: Re: [PATCH v4 1/3] x86,fs/resctrl: Add resctrl_arch_preconvert_bw()
Date: Mon, 6 Jul 2026 14:33:22 -0700 [thread overview]
Message-ID: <643be9eb-06ea-4811-a879-ca014d09742e@intel.com> (raw)
In-Reply-To: <20260706160639.2136674-2-ben.horgan@arm.com>
Hi Ben,
On 7/6/26 9:06 AM, Ben Horgan wrote:
> On MPAM systems the rounding behaviour of the MBA control would be improved
> if the rounding in the fs/resctrl code is removed but this is not the
> case for x86. To allow any rounding or conversion of the bandwidth value
> provided by the user to be specified by the arch code a new arch hook is
> required.
>
> Introduce resctrl_arch_preconvert_bw(), and add its x86 implementation.
> This is currently unused in resctrl but when plumbed in it will replace the
> call to roundup() in bw_validate().
>
> Signed-off-by: Dave Martin <dave.martin@arm.com>
> Signed-off-by: Ben Horgan <ben.horgan@arm.com>
This chain does not look right. The first SOB is expected to be from the
author but the patch does not have Dave as author.
> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
> ---
Reinette
next prev parent reply other threads:[~2026-07-06 21:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 16:06 [PATCH v4 0/3] x86,fs/resctrl,arm_mpam: Factor MBA parse-time conversion to be per-arch Ben Horgan
2026-07-06 16:06 ` [PATCH v4 1/3] x86,fs/resctrl: Add resctrl_arch_preconvert_bw() Ben Horgan
2026-07-06 21:33 ` Reinette Chatre [this message]
2026-07-07 8:33 ` Ben Horgan
2026-07-06 16:06 ` [PATCH v4 2/3] arm_mpam: resctrl: Add pass-through resctrl_arch_preconvert_bw() Ben Horgan
2026-07-06 21:33 ` Reinette Chatre
2026-07-07 8:35 ` Ben Horgan
2026-07-07 14:51 ` Reinette Chatre
2026-07-06 16:06 ` [PATCH v4 3/3] fs/resctrl: Factor MBA parse-time conversion to be per-arch Ben Horgan
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