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From: Thomas Monjalon <thomas@monjalon.net>
To: Michael Baum <michaelba@nvidia.com>
Cc: dev@dpdk.org, stable@dpdk.org, Matan Azrad <matan@nvidia.com>,
	Raslan Darawsheh <rasland@nvidia.com>,
	Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Subject: Re: [dpdk-stable] [PATCH 2/4] compress/mlx5: fix constant size in QP creation
Date: Wed, 23 Jun 2021 08:47:48 +0200
Message-ID: <2171041.exsR1beKra@thomas> (raw)
In-Reply-To: <20210601071122.1612432-2-michaelba@nvidia.com>

01/06/2021 09:11, Michael Baum:
> The mlx5_compress_qp_setup function makes shifting to the numeric
> constant 1, then sends it as a parameter to rte_calloc function.
> 
> The rte_calloc function expects to get size_t (64 bits, unsigned) and

No on 32-bit systems, size_t is 32 bits.

> instead gets a 32-bit variable, because the numeric constant size is a
> 32-bit.

Most of the patches of this series say "constant" where it is a variable.

> In case the shift is greater than 32 the variable will lose its value
> even though the function can get 64-bit argument.
> 
> Change the size of the numeric constant 1 to 64-bit.
[...]
> -	opaq_buf = rte_calloc(__func__, 1u << log_ops_n,
> +	opaq_buf = rte_calloc(__func__, RTE_BIT64(log_ops_n),




  parent reply	other threads:[~2021-06-23  6:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-01  7:11 [dpdk-stable] [PATCH 1/4] regex/mlx5: fix size of setup constants Michael Baum
2021-06-01  7:11 ` [dpdk-stable] [PATCH 2/4] compress/mlx5: fix constant size in QP creation Michael Baum
2021-06-07  7:28   ` Matan Azrad
2021-06-23  6:47   ` Thomas Monjalon [this message]
2021-06-28 14:21     ` Michael Baum
2021-06-01  7:11 ` [dpdk-stable] [PATCH 3/4] vdpa/mlx5: fix constant type " Michael Baum
2021-06-07  7:29   ` Matan Azrad
2021-06-01  7:11 ` [dpdk-stable] [PATCH 4/4] net/mlx5: fix constant type in MP allocation Michael Baum
2021-06-07  7:29   ` Matan Azrad
2021-06-07  7:28 ` [dpdk-stable] [PATCH 1/4] regex/mlx5: fix size of setup constants Matan Azrad
2021-07-01  6:39 ` [dpdk-stable] [PATCH v2 " Michael Baum
2021-07-01  6:39   ` [dpdk-stable] [PATCH v2 2/4] compress/mlx5: fix constant size in QP creation Michael Baum
2021-07-01  6:39   ` [dpdk-stable] [PATCH v2 3/4] vdpa/mlx5: fix constant type " Michael Baum
2021-07-01  6:39   ` [dpdk-stable] [PATCH v2 4/4] net/mlx5: fix constant type in MP allocation Michael Baum
2021-07-22 12:50   ` [dpdk-stable] [dpdk-dev] [PATCH v2 1/4] regex/mlx5: fix size of setup constants Thomas Monjalon

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