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2017 May 21
2
Crash in CentOS 7 kernel-3.10.0-514.16.1.el7.x86_64 in Xen PV mode
I experienced a bug that is likely the same as https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1350373 . Commit b7dd0e350e0bd4c0fddcc9b8958342700b00b168 , which is supposed to fix it, doesn't appear in this kernel and doesn't apply cleanly either. Is there any point in trying to backport the patch? The backtrace is as follows: [ 32.304666] ------------[ cut here ]------------ [
2007 Oct 01
2
[PATCH RFC] paravirt: cleanup lazy mode handling
Currently, the set_lazy_mode pv_op is overloaded with 5 functions: 1. enter lazy cpu mode 2. leave lazy cpu mode 3. enter lazy mmu mode 4. leave lazy mmu mode 5. flush pending batched operations This complicates each paravirt backend, since it needs to deal with all the possible state transitions, handling flushing, etc. In particular, flushing is quite distinct from the other 4 functions,
2007 Oct 01
2
[PATCH RFC] paravirt: cleanup lazy mode handling
Currently, the set_lazy_mode pv_op is overloaded with 5 functions: 1. enter lazy cpu mode 2. leave lazy cpu mode 3. enter lazy mmu mode 4. leave lazy mmu mode 5. flush pending batched operations This complicates each paravirt backend, since it needs to deal with all the possible state transitions, handling flushing, etc. In particular, flushing is quite distinct from the other 4 functions,
2017 Oct 23
0
Crash in CentOS 7 kernel-3.10.0-514.16.1.el7.x86_64 in Xen PV mode
On Sat, May 20, 2017 at 8:30 PM, Sarah Newman <srn at prgmr.com> wrote: > I experienced a bug that is likely the same as https://bugs.launchpad.net/ > ubuntu/+source/linux/+bug/1350373 . Commit > b7dd0e350e0bd4c0fddcc9b8958342700b00b168 , which is supposed to fix it, > doesn't appear in this kernel and doesn't apply cleanly either. > Is there any point in trying to
2018 Jan 06
2
Centos 7 Kernel 3.10.0-693.11.6.el7.x86_64 does not boot PV
On 01/06/2018 03:16 AM, Dmitry Melekhov wrote: > The same problem with latest centos 6 kernel,i.e. with meltdown fix. > > I can't see console output, because I have it on "cloud" provider > hosting :-) > > > > 06.01.2018 05:13, Shaun Reitan ?????: >> Broken! >> >> For those of you looking for a PV enabled client Kernel for CentOS Linux
2018 Jan 09
1
Centos 7 Kernel 3.10.0-693.11.6.el7.x86_64 does not boot PV
On 01/08/2018 02:10 PM, Shaun Reitan wrote: > While installing the experemental kernel on a CentOS 7 PV the following > happened. After a reboot of the PV the kernel looks to be installed but > there is no option for booting it in grub. ?I attempted to run yum > reinstall kernel-4.9.75-204.el7.centos.x86_64 and it installed fine but > still no entry in grub. No initramfs existed and
2007 Oct 09
0
[PATCH RFC REPOST 2/2] paravirt: clean up lazy mode handling
[ I think this is a straight repost this patch, which addresses all the previous comments. I'd like to submit this for .24 as the basis for a unified paravirt_ops. Any objections? ] Currently, the set_lazy_mode pv_op is overloaded with 5 functions: 1. enter lazy cpu mode 2. leave lazy cpu mode 3. enter lazy mmu mode 4. leave lazy mmu mode 5. flush pending batched operations This
2007 Oct 09
0
[PATCH RFC REPOST 2/2] paravirt: clean up lazy mode handling
[ I think this is a straight repost this patch, which addresses all the previous comments. I'd like to submit this for .24 as the basis for a unified paravirt_ops. Any objections? ] Currently, the set_lazy_mode pv_op is overloaded with 5 functions: 1. enter lazy cpu mode 2. leave lazy cpu mode 3. enter lazy mmu mode 4. leave lazy mmu mode 5. flush pending batched operations This
2018 Jan 08
0
Centos 7 Kernel 3.10.0-693.11.6.el7.x86_64 does not boot PV
While installing the experemental kernel on a CentOS 7 PV the following happened. After a reboot of the PV the kernel looks to be installed but there is no option for booting it in grub. I attempted to run yum reinstall kernel-4.9.75-204.el7.centos.x86_64 and it installed fine but still no entry in grub. No initramfs existed and I found kernel-modules did not install properly so I then ran
2007 Dec 20
6
[PATCH 0/15] adjust pvops to accomodate its x86_64 variant
Hi folks, With this series, the bulk of the work of pvops64 is done. Here, I integrate most of the paravirt.c and paravirt.h files, making them applicable to both architectures. CONFIG_PARAVIRT is _not_ present yet. Basically, this code is missing page table integration (patches currently being worked on by Jeremy). Enjoy
2007 Dec 20
6
[PATCH 0/15] adjust pvops to accomodate its x86_64 variant
Hi folks, With this series, the bulk of the work of pvops64 is done. Here, I integrate most of the paravirt.c and paravirt.h files, making them applicable to both architectures. CONFIG_PARAVIRT is _not_ present yet. Basically, this code is missing page table integration (patches currently being worked on by Jeremy). Enjoy
2017 May 19
0
[PATCH 02/10] paravirt: remove unused function paravirt_disable_iospace()
paravirt_disable_iospace() isn't used anywhere. Remove it. Signed-off-by: Juergen Gross <jgross at suse.com> --- arch/x86/include/asm/paravirt_types.h | 2 -- arch/x86/kernel/paravirt.c | 19 ------------------- 2 files changed, 21 deletions(-) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 7465d6fe336f..7a5de42cb465 100644
2017 May 19
13
[PATCH 00/10] paravirt: make amount of paravirtualization configurable
Today paravirtualization is a all-or-nothing game: either a kernel is compiled with no paravirtualization support at all, or it is supporting paravirtualized environments like Xen pv-guests or lguest additionally to some paravirtualized tuning for KVM, Hyperv, VMWare or Xen HVM-guests. As support of pv-guests requires quite intrusive pv-hooks (e.g. all access functions to page table entries,
2017 May 19
13
[PATCH 00/10] paravirt: make amount of paravirtualization configurable
Today paravirtualization is a all-or-nothing game: either a kernel is compiled with no paravirtualization support at all, or it is supporting paravirtualized environments like Xen pv-guests or lguest additionally to some paravirtualized tuning for KVM, Hyperv, VMWare or Xen HVM-guests. As support of pv-guests requires quite intrusive pv-hooks (e.g. all access functions to page table entries,
2007 Oct 15
13
[PATCH 00/12] xen/paravirt_ops patches for 2.6.24
Hi Linus, Here's a set of patches to update paravirt_ops and Xen for 2.6.24 A quick overview of the patchset: paravirt_ops: Remove the monolithic paravirt_ops structure, and replace it with smaller structures of related functions. Also, clean up the handling of lazy mode to make it easier to implement. x86/mm/init.c: remove a chunk of dead code Xen: - remove duplicate includes -
2007 Oct 15
13
[PATCH 00/12] xen/paravirt_ops patches for 2.6.24
Hi Linus, Here's a set of patches to update paravirt_ops and Xen for 2.6.24 A quick overview of the patchset: paravirt_ops: Remove the monolithic paravirt_ops structure, and replace it with smaller structures of related functions. Also, clean up the handling of lazy mode to make it easier to implement. x86/mm/init.c: remove a chunk of dead code Xen: - remove duplicate includes -
2007 Oct 15
13
[PATCH 00/12] xen/paravirt_ops patches for 2.6.24
Hi Linus, Here's a set of patches to update paravirt_ops and Xen for 2.6.24 A quick overview of the patchset: paravirt_ops: Remove the monolithic paravirt_ops structure, and replace it with smaller structures of related functions. Also, clean up the handling of lazy mode to make it easier to implement. x86/mm/init.c: remove a chunk of dead code Xen: - remove duplicate includes -