Date: Tue, 1 Oct 2013 13:08:59 GMT From: Svatopluk Kraus <onwahe@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: arm/182544: [patch] ARM busdma_machdep-v6.c Message-ID: <201310011308.r91D8xuE054852@oldred.freebsd.org> Resent-Message-ID: <201310011310.r91DA0OJ030995@freefall.freebsd.org>
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>Number: 182544
>Category: arm
>Synopsis: [patch] ARM busdma_machdep-v6.c
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-arm
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Oct 01 13:10:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Svatopluk Kraus
>Release: current
>Organization:
>Environment:
>Description:
See my patch.
(1) maxsize should be in bytes
(2) bad comments style corrected
>How-To-Repeat:
>Fix:
Index: sys/arm/arm/busdma_machdep-v6.c
===================================================================
--- sys/arm/arm/busdma_machdep-v6.c (revision 255665)
+++ sys/arm/arm/busdma_machdep-v6.c (working copy)
@@ -426,7 +426,11 @@
|| newtag->alignment > 1)
newtag->flags |= BUS_DMA_COULD_BOUNCE;
else
- maxsize = 2; /* Need at most 2 bounce pages for unaligned access on cache line boundaries */
+ /*
+ * Need at most 2 bounce pages for unaligned access
+ * on cache line boundaries
+ */
+ maxsize = 2 * PAGE_SIZE;
if ((flags & BUS_DMA_ALLOCNOW) != 0) {
struct bounce_zone *bz;
>Release-Note:
>Audit-Trail:
>Unformatted:
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