search for: vtlb

Simplify paging_invlpg when flush is not required. New ''flush'' parameter is added to paging_invlpg, to allow caller assigning whether flush check is required. It''s wasteful to always validate shadow linear mapping if caller doesn''t check return value at all. Signed-off-by Kevin Tian <kevin.tian@intel.com> Thanks, Kevin

Zhang, Xiantao wrote: >>From 6b731c15afa8cec84f16408c421c286f1dd1b7d3 Mon Sep 17 00:00:00 2001 > From: Xiantao Zhang <xiantao.zhang at intel.com> > Date: Wed, 12 Mar 2008 13:45:40 +0800 > Subject: [PATCH] KVM:IA64 : Add TLB virtulization support. > > vtlb.c includes tlb/VHPT virtulization. > Signed-off-by: Anthony Xu <anthony.xu at intel.com> > Signed-off-by: Xiantao Zhang <xiantao.zhang at intel.com> Hi Xiantao, Just a clarification question on this one: > +void machine_tlb_purge(u64 va, u64 ps) > +{ > + ia64_ptcl(va,...

Zhang, Xiantao wrote: >>From 6b731c15afa8cec84f16408c421c286f1dd1b7d3 Mon Sep 17 00:00:00 2001 > From: Xiantao Zhang <xiantao.zhang at intel.com> > Date: Wed, 12 Mar 2008 13:45:40 +0800 > Subject: [PATCH] KVM:IA64 : Add TLB virtulization support. > > vtlb.c includes tlb/VHPT virtulization. > Signed-off-by: Anthony Xu <anthony.xu at intel.com> > Signed-off-by: Xiantao Zhang <xiantao.zhang at intel.com> Hi Xiantao, Just a clarification question on this one: > +void machine_tlb_purge(u64 va, u64 ps) > +{ > + ia64_ptcl(va,...

...l/paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 509 +++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 101 ++++- arch/ia64/kernel/setup.c | 1 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 667 +++++++++++++++++++++++++++++++ 17 files changed, 2351 insertions(+), 25 deletions(-)

...l/paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 509 +++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 101 ++++- arch/ia64/kernel/setup.c | 1 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 667 +++++++++++++++++++++++++++++++ 17 files changed, 2351 insertions(+), 25 deletions(-)

Hi Xiantao, Some more nit-picking, though some of this is a bit more important to fixup. Cheers, Jes > +typedef struct thash_data { Urgh! argh! Please avoid typedefs unless you really need them, see Chapter 5 of Documentation/CodingStyle for details. > diff --git a/include/asm-ia64/kvm_host.h b/include/asm-ia64/kvm_host.h > new file mode 100644 > index 0000000..522bde0 > ---

Hi Xiantao, Some more nit-picking, though some of this is a bit more important to fixup. Cheers, Jes > +typedef struct thash_data { Urgh! argh! Please avoid typedefs unless you really need them, see Chapter 5 of Documentation/CodingStyle for details. > diff --git a/include/asm-ia64/kvm_host.h b/include/asm-ia64/kvm_host.h > new file mode 100644 > index 0000000..522bde0 > ---

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 1 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/Makefile | 1 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 19 files changed, 2357 insertions(+), 25 deletions(-)

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 1 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/Makefile | 1 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 19 files changed, 2357 insertions(+), 25 deletions(-)

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 2 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 17 files changed, 2353 insertions(+), 25 deletions(-)

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 2 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 17 files changed, 2353 insertions(+), 25 deletions(-)

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 2 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 17 files changed, 2353 insertions(+), 25 deletions(-)

.../paravirt.c | 520 ++++++++++++++++++++++++- arch/ia64/kernel/paravirt_patch.c | 514 ++++++++++++++++++++++++ arch/ia64/kernel/paravirtentry.S | 99 ++++- arch/ia64/kernel/setup.c | 2 + arch/ia64/kernel/vmlinux.lds.S | 24 ++ arch/ia64/kvm/vtlb.c | 2 + arch/ia64/xen/hypercall.S | 2 + arch/ia64/xen/xen_pv_ops.c | 665 +++++++++++++++++++++++++++++++ 17 files changed, 2353 insertions(+), 25 deletions(-)

...eness. ;) On Wed, 2006-08-16 at 17:24 +0200, Tristan Gingold wrote: > I am porting xen-ppc''s xencomm to xen/ia64. > Currently on xen/ia64 copy_from/to_guest uses guest virtual address. This > works well as long as the virtual addresses are in the TLB. When not in TLB > (or vTLB) the hypercall can''t success without domain help. The possible > solution is either to touch the memory areas before doing the hypercall > and/or restarting the hypercall. > > Touching the memory area is an hack and we can''t be sure it works. > Restarting the hy...