search for: bottomley

Displaying 20 results from an estimated 178 matches for "bottomley".

2017 Nov 03
3
[RFC 1/2] Add support for openssl engine based keys
On Thu, 26 Oct 2017, James Bottomley wrote: > Engine keys are keys whose file format is understood by a specific > engine rather than by openssl itself. Since these keys are file > based, the pkcs11 interface isn't appropriate for them because they > don't actually represent tokens. What sort of keys do you have...
2019 Apr 09
2
[PATCH net] vhost: flush dcache page when logging dirty pages
We set dirty bit through setting up kmaps and access them through kernel virtual address, this may result alias in virtually tagged caches that require a dcache flush afterwards. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server") Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vhost/vhost.c | 1 + 1 file changed, 1 insertion(+)...
2019 Apr 09
2
[PATCH net] vhost: flush dcache page when logging dirty pages
We set dirty bit through setting up kmaps and access them through kernel virtual address, this may result alias in virtually tagged caches that require a dcache flush afterwards. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server") Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vhost/vhost.c | 1 + 1 file changed, 1 insertion(+)...
2020 Sep 01
2
[PATCH 07/28] 53c700: improve non-coherent DMA handling
On 01.09.20 17:22, James Bottomley wrote: > On Tue, 2020-09-01 at 16:05 +0100, Matthew Wilcox wrote: >> On Tue, Sep 01, 2020 at 07:52:40AM -0700, James Bottomley wrote: >>> I think this looks mostly OK, except for one misnamed parameter >>> below. Unfortunately, the last non-coherent parisc was the 700 &gt...
2019 May 13
5
[PATCH net] vhost: don't use kmap() to log dirty pages
...or the arch that doesn't have the support. For those cases, a simplified get_user()/put_user() pair protected by a global mutex is provided as a fallback. The fallback may lead false positive that userspace may see more dirty pages. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Cc: Thomas Gleixner <tglx at linutronix.de> Cc: Ingo Molnar <mingo at redhat.com> Cc: Peter Zijlstra <peterz at infradead.org> Cc: Darren Hart <dvhart at infradead.org> Fixes...
2019 May 13
5
[PATCH net] vhost: don't use kmap() to log dirty pages
...or the arch that doesn't have the support. For those cases, a simplified get_user()/put_user() pair protected by a global mutex is provided as a fallback. The fallback may lead false positive that userspace may see more dirty pages. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Cc: Thomas Gleixner <tglx at linutronix.de> Cc: Ingo Molnar <mingo at redhat.com> Cc: Peter Zijlstra <peterz at infradead.org> Cc: Darren Hart <dvhart at infradead.org> Fixes...
2017 Nov 03
2
[RFC 1/2] Add support for openssl engine based keys
On Thu, 2 Nov 2017, James Bottomley wrote: > On Fri, 2017-11-03 at 13:11 +1100, Damien Miller wrote: > > On Thu, 26 Oct 2017, James Bottomley wrote: > > > > > > > > Engine keys are keys whose file format is understood by a specific > > > engine rather than by openssl itself.??Since these k...
2015 Mar 13
0
[PATCH] sd, mmc, virtio_blk, string_helpers: fix block size units
On 6 March 2015 at 03:47, James Bottomley <James.Bottomley at hansenpartnership.com> wrote: > From: James Bottomley <JBottomley at Parallels.com> > > The current string_get_size() overflows when the device size goes over > 2^64 bytes because the string helper routine computes the suffix from > the size in bytes....
2015 Mar 13
0
[PATCH] sd, mmc, virtio_blk, string_helpers: fix block size units
On 6 March 2015 at 03:47, James Bottomley <James.Bottomley at hansenpartnership.com> wrote: > From: James Bottomley <JBottomley at Parallels.com> > > The current string_get_size() overflows when the device size goes over > 2^64 bytes because the string helper routine computes the suffix from > the size in bytes....
2012 Jul 11
2
[PATCH-v2] virtio-scsi: Add vdrv->scan for post VIRTIO_CONFIG_S_DRIVER_OK LUN scanning
...: Fix up minor apply fuzz against scsi.git/misc) Cc: Paolo Bonzini <pbonzini at redhat.com> Cc: Stefan Hajnoczi <stefanha at linux.vnet.ibm.com> Cc: Zhi Yong Wu <wuzhy at cn.ibm.com> Cc: Christoph Hellwig <hch at lst.de> Cc: Hannes Reinecke <hare at suse.de> Cc: James Bottomley <JBottomley at Parallels.com> Signed-off-by: Nicholas Bellinger <nab at linux-iscsi.org> --- drivers/scsi/virtio_scsi.c | 15 ++++++++++++--- drivers/virtio/virtio.c | 5 ++++- include/linux/virtio.h | 1 + 3 files changed, 17 insertions(+), 4 deletions(-) diff --git a/...
2012 Jul 11
2
[PATCH-v2] virtio-scsi: Add vdrv->scan for post VIRTIO_CONFIG_S_DRIVER_OK LUN scanning
...: Fix up minor apply fuzz against scsi.git/misc) Cc: Paolo Bonzini <pbonzini at redhat.com> Cc: Stefan Hajnoczi <stefanha at linux.vnet.ibm.com> Cc: Zhi Yong Wu <wuzhy at cn.ibm.com> Cc: Christoph Hellwig <hch at lst.de> Cc: Hannes Reinecke <hare at suse.de> Cc: James Bottomley <JBottomley at Parallels.com> Signed-off-by: Nicholas Bellinger <nab at linux-iscsi.org> --- drivers/scsi/virtio_scsi.c | 15 ++++++++++++--- drivers/virtio/virtio.c | 5 ++++- include/linux/virtio.h | 1 + 3 files changed, 17 insertions(+), 4 deletions(-) diff --git a/...
2020 Sep 01
0
[PATCH 07/28] 53c700: improve non-coherent DMA handling
On 01.09.20 18:21, Helge Deller wrote: > On 01.09.20 17:22, James Bottomley wrote: >> On Tue, 2020-09-01 at 16:05 +0100, Matthew Wilcox wrote: >>> On Tue, Sep 01, 2020 at 07:52:40AM -0700, James Bottomley wrote: >>>> I think this looks mostly OK, except for one misnamed parameter >>>> below. Unfortunately, the last non-coherent parisc...
2020 Sep 01
1
[PATCH 07/28] 53c700: improve non-coherent DMA handling
On Tue, Sep 01, 2020 at 07:52:40AM -0700, James Bottomley wrote: > I think this looks mostly OK, except for one misnamed parameter below. > Unfortunately, the last non-coherent parisc was the 700 series and I no > longer own a box, so I can't test that part of it (I can fire up the > C360 to test it on a coherent arch). I have a 715/50 t...
2019 May 09
2
[RFC PATCH V2] vhost: don't use kmap() to log dirty pages
...hem e.g for non virtually tagged archs implement a kmap fallback on top or simply disable LOG_ALL features of vhost. - The helper also requires userspace pointer is located at 4-byte boundary, need to check during dirty log setting Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Cc: Thomas Gleixner <tglx at linutronix.de> Cc: Ingo Molnar <mingo at redhat.com> Cc: Peter Zijlstra <peterz at infradead.org> Cc: Darren Hart <dvhart at infradead.org> Fixes...
2019 May 09
2
[RFC PATCH V2] vhost: don't use kmap() to log dirty pages
...hem e.g for non virtually tagged archs implement a kmap fallback on top or simply disable LOG_ALL features of vhost. - The helper also requires userspace pointer is located at 4-byte boundary, need to check during dirty log setting Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Cc: Thomas Gleixner <tglx at linutronix.de> Cc: Ingo Molnar <mingo at redhat.com> Cc: Peter Zijlstra <peterz at infradead.org> Cc: Darren Hart <dvhart at infradead.org> Fixes...
2020 Jan 03
5
u2f seed
How does a u2f website then authenticate the same user, with the same keyfob, on a different machine? If that actually works, then we should be able to use the same mechanism. Maybe it doesn't, and some people are going to be locked out of their account when their machine fails and they have to go to another one. portability was one of the selling points of u2f though I thought. Maybe I'll
2019 May 07
4
[PATCH RFC] vhost: don't use kmap() to log dirty pages
...the bit and then write it back through put_user(). Note: there're archs (few non popular ones) that don't implement futex helper, we can't log dirty pages. We can fix them on top or simply disable LOG_ALL features of vhost. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server") Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vhost/vhost.c | 27 +++++++++++++++------------ 1 fil...
2019 May 07
4
[PATCH RFC] vhost: don't use kmap() to log dirty pages
...the bit and then write it back through put_user(). Note: there're archs (few non popular ones) that don't implement futex helper, we can't log dirty pages. We can fix them on top or simply disable LOG_ALL features of vhost. Cc: Christoph Hellwig <hch at infradead.org> Cc: James Bottomley <James.Bottomley at HansenPartnership.com> Cc: Andrea Arcangeli <aarcange at redhat.com> Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server") Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vhost/vhost.c | 27 +++++++++++++++------------ 1 fil...
2020 Jan 30
6
[PATCH 1/2] Add support for openssl engine based keys
...n to specify the engine: ssh -o tpm2 -i rsa user at host Note that engines usually have specific limits on the type of keys they accept (so TPM 2.0 usually only does 2048 bits for RSA and NIST elliptic curves) so not all existing openssh keys can be converted to engine keys. Signed-off-by: James Bottomley <James.Bottomley at HansenPartnership.com> --- Makefile.in | 2 +- authfd.c | 46 ++++++++++++++++++ authfd.h | 7 +++ ssh-add.c | 41 ++++++++++++++-- ssh-agent.c | 83 ++++++++++++++++++++++++++++++++ ssh-engine.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++...
2018 Nov 30
3
[PATCH RFC 00/15] Zero ****s, hugload of hugs <3
On Fri, 2018-11-30 at 12:55 -0800, Jarkko Sakkinen wrote: > On Fri, Nov 30, 2018 at 11:56:52AM -0800, Davidlohr Bueso wrote: > > On Fri, 30 Nov 2018, Kees Cook wrote: > > > > > On Fri, Nov 30, 2018 at 11:27 AM Jarkko Sakkinen > > > <jarkko.sakkinen at linux.intel.com> wrote: > > > > > > > > In order to comply with the CoC, replace