On Thu, Feb 26, 2009 at 11:20:26PM +, Russell King - ARM Linux wrote:
>
> I don't think you can use chained scatterlists unless the architecture
> supports it. It's not a case that you have to flatten the chaining
> before passing it over to the arch - it seems you're not allowed to
> create a
On Thu, Feb 26, 2009 at 09:27:09PM +0100, Karl Hiramoto wrote:
> Herbert Xu wrote:
>> Russell King - ARM Linux wrote:
>>
>>> We can't merge this until _all_ of ARM has been fixed for walking
>>> scatterlist chains.
>>>
>>
>> Right, this is definitely not the way to fix this bug. Because
>
Russell King - ARM Linux wrote:
>
> I don't think you can use chained scatterlists unless the architecture
> supports it. It's not a case that you have to flatten the chaining
> before passing it over to the arch - it seems you're not allowed to
> create a chained scatterlist in the first place:
On Thu, Feb 26, 2009 at 08:10:43PM +0800, Herbert Xu wrote:
> Russell King - ARM Linux wrote:
> >
> > We can't merge this until _all_ of ARM has been fixed for walking
> > scatterlist chains.
>
> Right, this is definitely not the way to fix this bug. Because
> even if ARM completely supported ch
Herbert Xu wrote:
Russell King - ARM Linux wrote:
We can't merge this until _all_ of ARM has been fixed for walking
scatterlist chains.
Right, this is definitely not the way to fix this bug. Because
even if ARM completely supported chaining, you still have to fix
all the other archit
Russell King - ARM Linux wrote:
>
> We can't merge this until _all_ of ARM has been fixed for walking
> scatterlist chains.
Right, this is definitely not the way to fix this bug. Because
even if ARM completely supported chaining, you still have to fix
all the other architectures as well.
So ple
On Wed, Feb 25, 2009 at 04:35:40PM +0100, Karl Hiramoto wrote:
> The attached patch fixes my issue, but am not sure if it is correct or
> will cause problems else where.
> diff -Naurp linux-2.6.28.7.a/arch/arm/include/asm/scatterlist.h
> linux-2.6.28.7.b/arch/arm/include/asm/scatterlist.h
> ---
Karl Hiramoto wrote:
>
> The attached patch fixes my issue, but am not sure if it is correct or
> will cause problems else where.
This is what we'll do once generic chaining is available on all
architectures. Until then it's up to the driver to fix the SG
list up before passing it to DMA.
Che
Christian Hohnstaedt wrote:
>
> However the scatterlist iteration in the arm implementation of
> dma_map_sg() uses neither of them, but simply sg++
>
> Please try the attached compile-tested patch.
The chaining is only allowed within the crypto layer (because
we haven't ported the generic chaini
The attached patch fixes my issue, but am not sure if it is correct or
will cause problems else where.
diff -Naurp linux-2.6.28.7.a/arch/arm/include/asm/scatterlist.h
linux-2.6.28.7.b/arch/arm/include/asm/scatterlist.h
--- linux-2.6.28.7.a/arch/arm/include/asm/scatterlist.h 2009-02-20
23:41:27.0
Christian Hohnstaedt wrote:
>
>
> looks like there are different, incompatible sg chaining implementations:
>
> include/crypto/scatterwalk.h:scatterwalk_sg_chain() uses
> sg->lenght == 0 as indicator for a chained sg
>
> include/linux/scatterlist.h:sg_chain() uses
> bit 0 of sg->page_link to indic
On Wed, Feb 25, 2009 at 10:36:11AM +0100, Karl Hiramoto wrote:
> Christian Hohnstaedt wrote:
> > On Tue, Feb 24, 2009 at 02:19:54PM +0100, Karl Hiramoto wrote:
> >
> >> [42949542.25] count_sg:758 len=0 sg_is_last(sg)=0
> >> [42949542.26] kernel BUG at lib/scatterlist.c:26!
> >> [42949542
Christian Hohnstaedt wrote:
> On Tue, Feb 24, 2009 at 02:19:54PM +0100, Karl Hiramoto wrote:
>
>> The latest thing i found is kernel BUG at lib/scatterlist.c:26!
>>
>> ping -s 1800 host in a IPSec tunnel. Setup is 802.1Q VLAN -->
>> ixp4xx_eth --> IPSec Tunnel
>>
>> trace with some d
On Tue, Feb 24, 2009 at 02:19:54PM +0100, Karl Hiramoto wrote:
> The latest thing i found is kernel BUG at lib/scatterlist.c:26!
>
> ping -s 1800 host in a IPSec tunnel. Setup is 802.1Q VLAN -->
> ixp4xx_eth --> IPSec Tunnel
>
> trace with some debug printk's i added.printk("%s:%
The latest thing i found is kernel BUG at lib/scatterlist.c:26!
ping -s 1800 host in a IPSec tunnel. Setup is 802.1Q VLAN -->
ixp4xx_eth --> IPSec Tunnel
trace with some debug printk's i added.printk("%s:%d
values",__func__, __LINE__);
[42949542.17] esp_output:142 skb->le
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