patches for DPDK stable branches
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From: "Kadam, Pallavi" <pallavi.kadam@intel.com>
To: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>,
	<dev@dpdk.org>, <thomas@monjalon.net>, <dmitry.kozliuk@gmail.com>,
	<ocardona@microsoft.com>, <talshn@nvidia.com>,
	<dmitrym@microsoft.com>
Cc: Narcisa Vasile <navasile@microsoft.com>, <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2] eal/windows: ensure all enabled CPUs are counted
Date: Wed, 4 Aug 2021 13:40:24 -0700
Message-ID: <23dda118-b9ab-ccb1-7693-dd27e3b1b9c4@intel.com> (raw)
In-Reply-To: <1625018165-27103-1-git-send-email-navasile@linux.microsoft.com>


On 6/29/2021 6:56 PM, Narcisa Ana Maria Vasile wrote:
> From: Narcisa Vasile <navasile@microsoft.com>
>
> rte_cpuset_t describes a set of CPUs by using an array of masks
> named '_bits'. Each element in the '_bits' array represents
> a bit mask, with each bit corresponding to a CPU.
> The maximum number of CPUs is given by 'CPU_SETSIZE'.
> The number of bit masks is computed using '_NUM_SETS(CPU_SETSIZE)'.
>
> count_cpu() should count the number of CPUs enabled in the set 's'.
> Currently, it iterates through the number of masks in the
> set 's', instead of iterating through all the bits in all the masks.
> For example, if '_NUM_SETS(CPU_SETSIZE)' returns 2,
> which means there are 2 bit masks: _bits[0] and _bits[1],
> count_cpu() would only check if CPUs '0' and '1' are enabled.
> The correct behavior is to iterate through all the CPUs in the set and
> count the ones that are enabled.
>
> This patch fixes count_cpu() to ensure all the bits in all the masks
> are checked to compute the correct number of CPUs enabled in 's'.
>
> Fixes: e8428a9d89f1 ("eal/windows: add some basic functions and macros")
> Cc: pallavi.kadam@intel.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Narcisa Vasile <navasile@microsoft.com>
> ---
Acked-by: Pallavi Kadam <pallavi.kadam@intel.com>

  parent reply	other threads:[~2021-08-04 20:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1624580843-4521-1-git-send-email-navasile@linux.microsoft.com>
2021-06-30  1:56 ` Narcisa Ana Maria Vasile
2021-08-04 14:56   ` Dmitry Kozlyuk
2021-08-04 20:40   ` Kadam, Pallavi [this message]
2021-08-18 13:46   ` [dpdk-stable] [PATCH v3] " Narcisa Ana Maria Vasile
2021-10-08 23:56     ` [dpdk-stable] [dpdk-dev] " Narcisa Ana Maria Vasile
2021-10-11 18:48     ` [dpdk-stable] " Thomas Monjalon

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