search for: write_gdt_entri

I would like to propose an interface change to the following paravirt-ops calls: void (fastcall *write_ldt_entry)(void *dt, int entrynum, u64 entry); void (fastcall *write_gdt_entry)(void *dt, int entrynum, u64 entry); void (fastcall *write_idt_entry)(void *dt, int entrynum, u64 entry); Can we consolidate the dt and entrynum parameters and just pass dt+entrynum*8? I

By Andi Kleen's suggestion, this patch removes pack_ldt() and pack_tss() wrappers in favour of a general wrapper. It saves us an ifdef and some lines of code, but more importantly, it's more elegant. No functional change is made. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> --- include/asm-x86/desc.h | 55 ++++++++++++++--------------------------------- 1 files

By Andi Kleen's suggestion, this patch removes pack_ldt() and pack_tss() wrappers in favour of a general wrapper. It saves us an ifdef and some lines of code, but more importantly, it's more elegant. No functional change is made. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> --- include/asm-x86/desc.h | 55 ++++++++++++++--------------------------------- 1 files

Hi, this is a series of patches that unify the struct desc_struct and friends across x86_64 and i386. As usual, it provides paravirt capabilities as a side-effect for x86_64. I consider the main goal, namely, of unifying the desc_struct, an ongoing effort, being this the beginning. A lot of old code has to be touched to accomplish that. I don't consider this patch ready for inclusion.

Hi, this is a series of patches that unify the struct desc_struct and friends across x86_64 and i386. As usual, it provides paravirt capabilities as a side-effect for x86_64. I consider the main goal, namely, of unifying the desc_struct, an ongoing effort, being this the beginning. A lot of old code has to be touched to accomplish that. I don't consider this patch ready for inclusion.

Hi Nadav, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.18-rc1 next-20180619] [cannot apply to tip/x86/core] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Descriptor and trap table cleanups. Add cleanly written accessors for IDT and GDT gates so the subarch may override them. Note that this allows the hypervisor to transparently tweak the DPL of the descriptors as well as the RPL of segments in those descriptors, with no unnecessary kernel code modification. It also allows the hypervisor implementation of the VMI to tweak the gates, allowing for

Descriptor and trap table cleanups. Add cleanly written accessors for IDT and GDT gates so the subarch may override them. Note that this allows the hypervisor to transparently tweak the DPL of the descriptors as well as the RPL of segments in those descriptors, with no unnecessary kernel code modification. It also allows the hypervisor implementation of the VMI to tweak the gates, allowing for

On Mon, 2007-03-26 at 01:14 -0800, Andrew Morton wrote: > arch/i386/lguest/lguest.c:496: warning: assignment from incompatible pointer type > arch/i386/lguest/lguest.c:497: warning: assignment from incompatible pointer type > arch/i386/lguest/lguest.c:498: warning: assignment from incompatible pointer type > > paravirt_ops.write_ldt_entry = lguest_write_ldt_entry; >

On Mon, 2007-03-26 at 01:14 -0800, Andrew Morton wrote: > arch/i386/lguest/lguest.c:496: warning: assignment from incompatible pointer type > arch/i386/lguest/lguest.c:497: warning: assignment from incompatible pointer type > arch/i386/lguest/lguest.c:498: warning: assignment from incompatible pointer type > > paravirt_ops.write_ldt_entry = lguest_write_ldt_entry; >

Here's a first attempt at splitting up paravirt_ops into more specific chunks. Its pretty clunky and chunky; mostly just a lot of replacement. The grouping of ops is very first cut; I'm open to suggestions about what groups should exist and what ops they each should contain. The only slightly subtle part is that I've kept the structures wrapped in a paravirt_ops structure,

Here's a first attempt at splitting up paravirt_ops into more specific chunks. Its pretty clunky and chunky; mostly just a lot of replacement. The grouping of ops is very first cut; I'm open to suggestions about what groups should exist and what ops they each should contain. The only slightly subtle part is that I've kept the structures wrapped in a paravirt_ops structure,

OK, at least two patches got dropped on the way from the mm tree to Andi's tree: the desc.h cleanup, and the processor.h rearrangement. Merging into Andi's tree without these patches must have been a nightmare 8( Andi then tried to fix it with x86_64-mm-paravirt-compile.patch but then it didn't boot so he disabled it in x86_64-mm-paravirt-broken.patch This patch undoes those two

OK, at least two patches got dropped on the way from the mm tree to Andi's tree: the desc.h cleanup, and the processor.h rearrangement. Merging into Andi's tree without these patches must have been a nightmare 8( Andi then tried to fix it with x86_64-mm-paravirt-compile.patch but then it didn't boot so he disabled it in x86_64-mm-paravirt-broken.patch This patch undoes those two

Instead of using six globally visible paravirt ops structures combine them in a single structure, keeping the original structures as sub-structures. This avoids the need to assemble struct paravirt_patch_template at runtime on the stack each time apply_paravirt() is being called (i.e. when loading a module). Signed-off-by: Juergen Gross <jgross at suse.com> --- arch/x86/hyperv/mmu.c

This version over last version: (1) Gets rid of the no_paravirt.h header and leaves native ops in place (with some reshuffling to keep then under one #ifdef). (2) Fixes the "X crashes with CONFIG_PARAVIRT=y" bug. (3) Puts __ex_table entry in paravirt iret. Another followup patch implements binary patching... Rusty. === Create a paravirt.h header for all the critical operations which

This version over last version: (1) Gets rid of the no_paravirt.h header and leaves native ops in place (with some reshuffling to keep then under one #ifdef). (2) Fixes the "X crashes with CONFIG_PARAVIRT=y" bug. (3) Puts __ex_table entry in paravirt iret. Another followup patch implements binary patching... Rusty. === Create a paravirt.h header for all the critical operations which

Hi Josh, On Tue, Oct 22, 2013, at 3:34, Josh Triplett wrote: > __set_tss_desc has a complex calculation of the TSS segment limit, > duplicating the quirky details of the I/O bitmap array length, and > requiring a complex comment to explain. Replace that calculation with a > simpler one based on the offsetof the "stack" field that follows the > array. > > That then

Hi Josh, On Tue, Oct 22, 2013, at 3:34, Josh Triplett wrote: > __set_tss_desc has a complex calculation of the TSS segment limit, > duplicating the quirky details of the I/O bitmap array length, and > requiring a complex comment to explain. Replace that calculation with a > simpler one based on the offsetof the "stack" field that follows the > array. > > That then

[ 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? ] This patch refactors the paravirt_ops structure into groups of functionally related ops: pv_info - random info, rather than function entrypoints pv_init_ops - functions used at boot time (some for module_init