From: Christoph Hellwig <hch@infradead.org>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: Hannes Reinecke <hare@suse.de>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Michael Schmitz <schmitzmic@gmail.com>,
linux-scsi@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] esp_scsi: De-duplicate PIO routines
Date: Wed, 17 Oct 2018 01:09:23 -0700 [thread overview]
Message-ID: <20181017080923.GC24540@infradead.org> (raw)
In-Reply-To: <alpine.LNX.2.21.1810161611150.130@nippy.intranet>
On Tue, Oct 16, 2018 at 04:39:07PM +1100, Finn Thain wrote:
>
> Perhaps I've misunderstood your concern here. Is it a problem that
> esp_scsi.ko may or may not export the function, depending on .config?
>
> For example, if esp_scsi.ko came from a build with CONFIG_SUN3X_ESP=y &&
> !CONFIG_SCSI_ZORRO_ESP && !CONFIG_SCSI_MAC_ESP, then it would export no
> esp_send_pio_cmd() symbol.
>
> A dummy function (mentioned above) might then avoid a link error from
> "modprobe zorro_esp" or "modprobe mac_esp" in this scenario. (The modules
> would load but fail to work properly.)
>
> This seems a bit too contrived so I'll post v3 for you to consider.
Please leave the possibly unused exports as-is.
next prev parent reply other threads:[~2018-10-17 8:09 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-14 6:12 [PATCH v2 0/6] mac_esp, zorro_esp, esp_scsi: Various improvements Finn Thain
2018-10-14 6:12 ` [PATCH v2 4/6] esp_scsi: Eliminate ESP_FLAG_DOING_SLOWCMD Finn Thain
2018-10-14 6:12 ` [PATCH v2 1/6] zorro_esp: Limit DMA transfers to 65535 bytes Finn Thain
2018-10-14 7:35 ` Michael Schmitz
2018-10-14 10:55 ` Geert Uytterhoeven
2018-10-14 22:00 ` Finn Thain
2018-10-14 6:12 ` [PATCH v2 5/6] esp_scsi: De-duplicate PIO routines Finn Thain
2018-10-14 10:55 ` Geert Uytterhoeven
2018-10-15 2:32 ` Finn Thain
2018-10-15 6:14 ` Hannes Reinecke
2018-10-15 6:25 ` Finn Thain
2018-10-15 10:58 ` Hannes Reinecke
2018-10-15 12:53 ` Christoph Hellwig
2018-10-15 23:52 ` Finn Thain
2018-10-17 8:08 ` Christoph Hellwig
2018-10-16 5:39 ` Finn Thain
2018-10-17 8:09 ` Christoph Hellwig [this message]
2018-10-17 23:01 ` Finn Thain
2018-10-14 6:12 ` [PATCH v2 3/6] esp_scsi: Grant disconnect privilege for untagged commands Finn Thain
2018-10-14 15:47 ` Christoph Hellwig
2018-10-14 20:33 ` Michael Schmitz
2018-10-14 23:04 ` Finn Thain
2018-10-14 23:13 ` Finn Thain
2018-10-15 2:45 ` Finn Thain
2018-10-15 5:52 ` Christoph Hellwig
2018-10-14 6:12 ` [PATCH v2 6/6] esp_scsi: Optimize PIO loops Finn Thain
2018-10-14 6:12 ` [PATCH v2 2/6] esp_scsi: Track residual for PIO transfers Finn Thain
2018-10-14 10:55 ` Geert Uytterhoeven
2018-10-14 22:14 ` Finn Thain
2018-10-18 1:40 ` [PATCH v2 0/6] mac_esp, zorro_esp, esp_scsi: Various improvements Martin K. Petersen
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