On Thu, Nov 06, 2014 at 10:32:18PM +0800, Herbert Xu wrote:
> On Thu, Nov 06, 2014 at 03:26:33PM +0100, Maxime Ripard wrote:
> >
> > But you still haven't explain why the driver, while it doesn't handle
> > the user space buffer at any time, should be worried that the data the
> > framework has gi
On Thu, Nov 06, 2014 at 03:26:33PM +0100, Maxime Ripard wrote:
>
> But you still haven't explain why the driver, while it doesn't handle
> the user space buffer at any time, should be worried that the data the
> framework has given him are actually mapped.
Encryption is used by IPsec and SKBs can
On Mon, Nov 03, 2014 at 06:35:28PM +0800, Herbert Xu wrote:
> On Mon, Nov 03, 2014 at 10:34:46AM +0100, Maxime Ripard wrote:
> > What I mean is that since you are saying that drivers should do the
> > kmap themselves, then *all* of the drivers are broken if they are not
> > using it. And all of the
On Sun, Oct 19, 2014 at 04:16:22PM +0200, LABBE Corentin wrote:
> Add support for the Security System included in Allwinner SoC A20.
> The Security System is a hardware cryptographic accelerator that support
> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>
> Signed-off-by: LABBE Corentin
OK this is m
On Mon, Nov 03, 2014 at 10:34:46AM +0100, Maxime Ripard wrote:
> What I mean is that since you are saying that drivers should do the
> kmap themselves, then *all* of the drivers are broken if they are not
> using it. And all of them are missing this kmap.
kmap is used by the software implementatio
On Fri, Oct 31, 2014 at 06:05:22PM +0800, Herbert Xu wrote:
> On Fri, Oct 31, 2014 at 10:57:06AM +0100, Maxime Ripard wrote:
> >
> > On a 3.18-rc2 kernel:
> >
> > $ git grep kmap -- crypto/
> > crypto/ahash.c: walk->data = kmap(walk->pg);
> > crypto/ahash.c:
On Fri, Oct 31, 2014 at 10:57:06AM +0100, Maxime Ripard wrote:
>
> On a 3.18-rc2 kernel:
>
> $ git grep kmap -- crypto/
> crypto/ahash.c: walk->data = kmap(walk->pg);
> crypto/ahash.c: walk->data = kmap_atomic(walk->pg);
> crypto/async_tx/async_memcp
On Fri, Oct 31, 2014 at 04:18:03PM +0800, Herbert Xu wrote:
> On Fri, Oct 31, 2014 at 09:13:23AM +0100, Maxime Ripard wrote:
> >
> > I don't understand here. Why would other drivers *not* being affected?
> >
> > If the scatter list passed by AF_ALG can be in highmem, I guess it's
> > the case for
On Fri, Oct 31, 2014 at 09:13:23AM +0100, Maxime Ripard wrote:
>
> I don't understand here. Why would other drivers *not* being affected?
>
> If the scatter list passed by AF_ALG can be in highmem, I guess it's
> the case for every driver out there. Almost every kernel code I've
> seen so far make
On Fri, Oct 31, 2014 at 03:20:30PM +0800, Herbert Xu wrote:
> On Thu, Oct 30, 2014 at 06:19:33PM +0100, Maxime Ripard wrote:
> >
> > > With AF_ALG and cryptodev, the SG is in highmem. Verified with some
> > > PageHighMem().
> >
> > Then fix AF_ALG and cryptodev, because all of the other drivers mi
On Thu, Oct 30, 2014 at 06:19:33PM +0100, Maxime Ripard wrote:
>
> > With AF_ALG and cryptodev, the SG is in highmem. Verified with some
> > PageHighMem().
>
> Then fix AF_ALG and cryptodev, because all of the other drivers might
> be affected.
No it's the driver that needs to be fixed. Of cours
On Fri, Oct 24, 2014 at 08:52:26PM +0200, Corentin LABBE wrote:
> On 10/21/14 21:11, Maxime Ripard wrote:
> > Hi Corentin,
> >
> > Thanks for resending it.
> >
> > On Sun, Oct 19, 2014 at 04:16:22PM +0200, LABBE Corentin wrote:
> >> Add support for the Security System included in Allwinner SoC A2
On 10/21/14 21:11, Maxime Ripard wrote:
> Hi Corentin,
>
> Thanks for resending it.
>
> On Sun, Oct 19, 2014 at 04:16:22PM +0200, LABBE Corentin wrote:
>> Add support for the Security System included in Allwinner SoC A20.
>> The Security System is a hardware cryptographic accelerator that support
Le 22/10/2014 11:00, Arnd Bergmann a écrit :
> On Sunday 19 October 2014 16:16:22 LABBE Corentin wrote:
>> Add support for the Security System included in Allwinner SoC A20.
>> The Security System is a hardware cryptographic accelerator that support
>> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>>
>>
On Sunday 19 October 2014 16:16:22 LABBE Corentin wrote:
> Add support for the Security System included in Allwinner SoC A20.
> The Security System is a hardware cryptographic accelerator that support
> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>
> Signed-off-by: LABBE Corentin
Please wrap lines i
Hi Corentin,
Thanks for resending it.
On Sun, Oct 19, 2014 at 04:16:22PM +0200, LABBE Corentin wrote:
> Add support for the Security System included in Allwinner SoC A20.
> The Security System is a hardware cryptographic accelerator that support
> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>
> Sign
Hi Corentin,
On 21.10.2014 19:25, Corentin LABBE wrote:
> On 10/21/14 01:28, Vladimir Zapolskiy wrote:
>> Hello LABBE,
>>
>> On 19.10.2014 17:16, LABBE Corentin wrote:
>>> Add support for the Security System included in Allwinner SoC A20.
>>> The Security System is a hardware cryptographic acceler
Le 21/10/2014 01:52, Joe Perches a écrit :
> On Tue, 2014-10-21 at 02:28 +0300, Vladimir Zapolskiy wrote:
>> On 19.10.2014 17:16, LABBE Corentin wrote:
>>> Add support for the Security System included in Allwinner SoC A20.
>>> The Security System is a hardware cryptographic accelerator that support
On 10/21/14 01:28, Vladimir Zapolskiy wrote:
> Hello LABBE,
>
> On 19.10.2014 17:16, LABBE Corentin wrote:
>> Add support for the Security System included in Allwinner SoC A20.
>> The Security System is a hardware cryptographic accelerator that support
>> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>>
On Tue, 2014-10-21 at 02:28 +0300, Vladimir Zapolskiy wrote:
> On 19.10.2014 17:16, LABBE Corentin wrote:
> > Add support for the Security System included in Allwinner SoC A20.
> > The Security System is a hardware cryptographic accelerator that support
> > AES/MD5/SHA1/DES/3DES/PRNG algorithms.
[
Hello LABBE,
On 19.10.2014 17:16, LABBE Corentin wrote:
> Add support for the Security System included in Allwinner SoC A20.
> The Security System is a hardware cryptographic accelerator that support
> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>
> Signed-off-by: LABBE Corentin
> ---
> drivers/cry
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