Re: kern/58730: NFS client locks up waiting on nfscn2

["Rin Okuyama via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR kern/58730; it has been noted by GNATS.

From: Rin Okuyama <rokuyama.rk%gmail.com@localhost>
To: Martin Husemann <martin%duskware.de@localhost>
Cc: gnats-bugs%netbsd.org@localhost, netbsd-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost
Subject: Re: kern/58730: NFS client locks up waiting on nfscn2
Date: Thu, 7 Nov 2024 08:10:49 +0900

 On 2024/11/06 21:45, Rin Okuyama wrote:
 > On 2024/11/06 21:42, Rin Okuyama wrote:
 >> However, even if the behavior is sync with arm32/bus_dma.c:
 >>
 >> https://gist.github.com/rokuyama/6e5ffaf956cd39db4752c69fa792096a
 >>
 >> the problem for landisk/HDL_U is not improved for me.
 > 
 > ... and this is an expected result, provided buffers are page-aligned,
 > and have sizes multiple to 32.
 
 Oops, confusion in my side. While buffer itself is always page-
 aligned, a range of sync operation is generally not.
 
 But scenario itself is not modified, if objects are cacheline
 (== 32 bytes)-aligned.
 
 Thanks,
 rin