From: Jakub Kicinski <kuba@kernel.org>
To: Jason Xing <kerneljasonxing@gmail.com>
Cc: Simon Horman <horms@kernel.org>,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
andrew+netdev@lunn.ch, michael.chan@broadcom.com,
pavan.chebbi@broadcom.com, netdev@vger.kernel.org,
Jason Xing <kernelxing@tencent.com>,
kernel test robot <lkp@intel.com>
Subject: Re: [PATCH net] bnxt_en: eliminate the compile warning in bnxt_request_irq due to CONFIG_RFS_ACCEL
Date: Tue, 1 Jul 2025 17:56:07 -0700 [thread overview]
Message-ID: <20250701175607.35f2a544@kernel.org> (raw)
In-Reply-To: <CAL+tcoAfV+P3579_uM4mikMkNK4L2dMx0EuXNnTeLwZ3-7Po2Q@mail.gmail.com>
On Wed, 2 Jul 2025 08:47:08 +0800 Jason Xing wrote:
> > static int bnxt_request_irq(struct bnxt *bp)
> > {
> > + struct cpu_rmap *rmap = NULL;
> > int i, j, rc = 0;
> > unsigned long flags = 0;
> > -#ifdef CONFIG_RFS_ACCEL
> > - struct cpu_rmap *rmap;
> > -#endif
>
> Sorry, Jakub. I failed to see the positive point of this kind of
> change comparatively.
Like Simon said -- fewer #ifdefs leads to fewer bugs of this nature.
Or do you mean that you don't understand how my fix works?
> > rc = bnxt_setup_int_mode(bp);
> > if (rc) {
>
> Probably in this position, you expect 'rmap = bp->dev->rx_cpu_rmap;'
> to stay there even when CONFIG_RFS_ACCEL is off?
no, dev->rx_cpu_rmap doesn't exist if RDS_ACCEL=n
> The report says it's 'j' that causes the complaint.
next prev parent reply other threads:[~2025-07-02 0:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-29 0:36 [PATCH net] bnxt_en: eliminate the compile warning in bnxt_request_irq due to CONFIG_RFS_ACCEL Jason Xing
2025-06-30 11:09 ` Simon Horman
2025-06-30 11:47 ` Jason Xing
2025-07-02 0:15 ` Jakub Kicinski
2025-07-02 0:47 ` Jason Xing
2025-07-02 0:56 ` Jakub Kicinski [this message]
2025-07-02 1:07 ` Jason Xing
2025-07-02 1:11 ` Jason Xing
2025-07-02 1:34 ` Jakub Kicinski
2025-07-01 4:07 ` Michael Chan
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