Messages in this thread | | | Date | Fri, 22 Jun 2007 11:27:24 -0500 | From | Dustin Marquess <> | Subject | Re: [patch] alpha: fix alignment problem in csum_ipv6_magic() |
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Ivan Kokshaysky wrote: > On Thu, Jun 21, 2007 at 04:35:01PM -0700, Andrew Morton wrote: >> In http://bugzilla.kernel.org/show_bug.cgi?id=8659, Dustin is reporting >> that this patch broke tcp-on-ipv6. > > Oops. Two instructions operating on the 'len' arg ($18) got swapped... > This should fix ev6 version, ev5 one seems to be ok. > > Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> > > Ivan. > > --- 2.6.22-rc4-mm2/arch/alpha/lib/ev6-csum_ipv6_magic.S Fri Jun 22 15:02:23 2007 > +++ linux/arch/alpha/lib/ev6-csum_ipv6_magic.S Fri Jun 22 15:05:38 2007 > @@ -76,18 +76,18 @@ csum_ipv6_magic: > > cmoveq $6,$31,$22 # E : src aligned? > ldq_u $23,15($17) # L : Latency: 3 > - or $18,$4,$18 # E : 000000CCDDAABBCC > - extql $1,$6,$1 # U : U L L U : > + inswl $18,3,$18 # U : 000000CCDD000000 > + addl $19,$7,$19 # E : U L U L : <sign bits>bbaabb00 > > or $0,$22,$0 # E : 1st src word complete > - extqh $5,$6,$5 # U : > - addl $19,$7,$19 # E : <sign bits>bbaabb00 > - and $17,7,$6 # E : L U L U : dst misalignment > + extql $1,$6,$1 # U : > + or $18,$4,$18 # E : 000000CCDDAABBCC > + extqh $5,$6,$5 # U : L U L U > > - inswl $18,3,$18 # U : 000000CCDD000000 > - or $1,$5,$1 # E : 2nd src word complete > + and $17,7,$6 # E : dst misalignment > extql $2,$6,$2 # U : > - extqh $3,$6,$22 # U : U L U U : > + or $1,$5,$1 # E : 2nd src word complete > + extqh $3,$6,$22 # U : L U L U : > > cmoveq $6,$31,$22 # E : dst aligned? > extql $3,$6,$3 # U : >
Awesome! Works like a champ! Thank you guys so very much! You rock!
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