From: Bruce Richardson <bruce.richardson@intel.com>
To: Andre Muezerie <andremue@linux.microsoft.com>
Cc: Ian Stokes <ian.stokes@intel.com>,
Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Jochen Behrens <jochen.behrens@broadcom.com>, <dev@dpdk.org>
Subject: Re: [PATCH] drivers_net: use 64-bit shift and avoid signed/unsigned mismatch
Date: Mon, 6 Jan 2025 10:54:43 +0000 [thread overview]
Message-ID: <Z3u2czmBQuY-BQ8C@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <1735246770-731-1-git-send-email-andremue@linux.microsoft.com>
On Thu, Dec 26, 2024 at 12:59:30PM -0800, Andre Muezerie wrote:
> This patch avoids warnings like the ones below emitted by MSVC:
>
> 1)
> ../drivers/net/ice/base/ice_flg_rd.c(71): warning C4334: '<<':
> result of 32-bit shift implicitly converted to 64 bits
> (was 64-bit shift intended?)
>
> 2)
> ../drivers/net/ice/ice_dcf_sched.c(177): warning C4018: '>=':
> signed/unsigned mismatch
>
> The fix for (1) is to use 64-bit shifting when appropriate
> (according to what the result is used for).
>
> The fix for (2) is to explicitly cast the variables used in the
> comparison.
>
> Signed-off-by: Andre Muezerie <andremue@linux.microsoft.com>
> ---
> drivers/net/i40e/i40e_ethdev.c | 22 +++++++++++-----------
> drivers/net/iavf/iavf_ethdev.c | 2 +-
> drivers/net/iavf/iavf_rxtx.c | 2 +-
> drivers/net/iavf/iavf_vchnl.c | 2 +-
> drivers/net/ice/base/ice_flg_rd.c | 4 ++--
> drivers/net/ice/base/ice_parser_rt.c | 16 ++++++++--------
> drivers/net/ice/base/ice_xlt_kb.c | 2 +-
> drivers/net/ice/ice_dcf_sched.c | 2 +-
> drivers/net/ice/ice_ethdev.c | 4 ++--
> drivers/net/ice/ice_rxtx.c | 2 +-
> drivers/net/ixgbe/ixgbe_ethdev.c | 2 +-
Most of these changes to the intel drivers look fine to me. However, for
the base code files, we try to avoid modifying those as they come from a
common, shared internal source which we regularly sync with. Therefore, for
the 3 base files, can the errors/warning be suppressed instead?
Regards,
/Bruce
next prev parent reply other threads:[~2025-01-06 10:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-26 20:59 Andre Muezerie
2025-01-06 10:54 ` Bruce Richardson [this message]
2025-01-06 21:16 ` Andre Muezerie
2025-01-06 21:16 ` [PATCH v2] drivers/net: " Andre Muezerie
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