From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>, Arnd Bergmann <arnd@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mlx5: avoid frame overflow warning
Date: Wed, 01 Jul 2026 08:33:59 -0400 [thread overview]
Message-ID: <178290923937.307054.11359323071152941607.b4-ty@kernel.org> (raw)
In-Reply-To: <20260612201611.4127750-1-arnd@kernel.org>
On Fri, 12 Jun 2026 22:15:59 +0200, Arnd Bergmann wrote:
> Building mlx5 on s390 shows a rather high stack usage that can exceed
> the warning limit when that is set to a lower but still reasonable value:
>
> drivers/infiniband/hw/mlx5/wr.c:1051:5: error: stack frame size (1328) exceeds limit (1280) in 'mlx5_ib_post_send' [-Werror,-Wframe-larger-than]
>
> The problem here is 'struct ib_reg_wr' on the stack of
> handle_reg_mr_integrity(), which gets inlined into mlx5_ib_post_send()
> along with a number of smaller functions.
>
> [...]
Applied, thanks!
[1/1] mlx5: avoid frame overflow warning
https://git.kernel.org/rdma/rdma/c/f5ad2ead846e3a
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2026-07-05 14:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-12 20:15 [PATCH] mlx5: avoid frame overflow warning Arnd Bergmann
2026-06-13 5:14 ` Zhu Yanjun
2026-07-01 12:33 ` Leon Romanovsky [this message]
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