Re: kern/55067: bge(4) does not work on MIPS systems (it panics)

[mlelstv%serpens.de@localhost (Michael van Elst)]

The following reply was made to PR port-mips/55067; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/55067: bge(4) does not work on MIPS systems (it panics)
Date: Fri, 13 Mar 2020 07:38:14 -0000 (UTC)

 nick.hudson%gmx.co.uk@localhost (Nick Hudson) writes:
 
 >On 12/03/2020 22:40, Michael van Elst wrote:
 >>   mips _bus_dmamap_sync erroneously traps len == 0. It should be gracefully
 >>   allowing that value like other archs.
 
 >I said the same on source-changes-d, but here goes again.
 
 >The check for len !=0 in arm bus_dma.c has caught several bugs over the
 >years.
 
 >I plan on leaving it there.
 
 
 If the check is supposed to catch bugs it should be a) a message, not a panic,
 b) only for DIAGNOSTIC and c) maintained for all archs and not your lone
 decision.
 
 
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                                 Michael van Elst
 Internet: mlelstv%serpens.de@localhost
                                 "A potential Snark may lurk in every tree."