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fre, 27 03 2009 kl. 10:22 +1030, skrev Rusty Russell: > From: Matias Zabaljauregui <zabaljauregui at gmail.com> > > Impact: cleanup > > This patch allow us to use KVM hypercalls Something has broken in relation to this change. I'm not sure it is this change itself or one following, but I get the following error when using lguest: lguest: unhandled trap 6...

fre, 27 03 2009 kl. 10:22 +1030, skrev Rusty Russell: > From: Matias Zabaljauregui <zabaljauregui at gmail.com> > > Impact: cleanup > > This patch allow us to use KVM hypercalls Something has broken in relation to this change. I'm not sure it is this change itself or one following, but I get the following error when using lguest: lguest: unhandled trap 6...

...ted within the qemu VM): ./lguest 64m /boot/kernel-2.6.21.5 --block=3D initrd-1.1-i386.img root=3D/dev/lbga always get this message (I have insisted with different virtual ram amounts): lguest: failed to get page 167304 thank you in advance Matias Zabaljauregui -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.linux-foundation.org/pipermail/virtualization/attachments= /20070711/aa19c17f/attachment.htm

We still assume the Guest and Host have the same PAGE_OFFSET settings, but now we don't assume 0xC0000000. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> --- drivers/lguest/page_tables.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -996,11 +996,9 @@ st...

On Mon, Sep 21, 2009 at 04:52:21PM +0930, Rusty Russell wrote: > > We still assume the Guest and Host have the same PAGE_OFFSET settings, > but now we don't assume 0xC0000000. > > Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> > Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> > --- > drivers/lguest/page_tables.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c > --- a/drivers/lguest/page_tables.c > +++ b/drivers/lguest/pa...

...ted within the qemu VM): ./lguest 64m /boot/kernel-2.6.21.5 --block=3D initrd-1.1-i386.img root=3D/dev/lbga always get this message (I have insisted with different virtual ram amounts): lguest: failed to get page 167304 thank you in advance Matias Zabaljauregui -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.linux-foundation.org/pipermail/virtualization/attachments= /20070711/aa19c17f/attachment.htm

We still assume the Guest and Host have the same PAGE_OFFSET settings, but now we don't assume 0xC0000000. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> --- drivers/lguest/page_tables.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c --- a/drivers/lguest/page_tables.c +++ b/drivers/lguest/page_tables.c @@ -996,11 +996,9 @@ st...

On Mon, Sep 21, 2009 at 04:52:21PM +0930, Rusty Russell wrote: > > We still assume the Guest and Host have the same PAGE_OFFSET settings, > but now we don't assume 0xC0000000. > > Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> > Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> > --- > drivers/lguest/page_tables.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c > --- a/drivers/lguest/page_tables.c > +++ b/drivers/lguest/pa...

...ed injecting a fault when a guest tried to use the VMCALL instruction from ring 1, so lguest under kvm fails to make hypercalls. It was nice to share code with our KVM cousins, but this was overreach. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> Cc: Avi Kivity <avi at redhat.com> arch/x86/include/asm/lguest_hcall.h | 29 +++++++++++++--- arch/x86/lguest/boot.c | 61 +++++++++++++++++------------------ arch/x86/lguest/i386_head.S | 2 +- drivers/lguest/lguest_device....

...ed injecting a fault when a guest tried to use the VMCALL instruction from ring 1, so lguest under kvm fails to make hypercalls. It was nice to share code with our KVM cousins, but this was overreach. Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> Cc: Avi Kivity <avi at redhat.com> arch/x86/include/asm/lguest_hcall.h | 29 +++++++++++++--- arch/x86/lguest/boot.c | 61 +++++++++++++++++------------------ arch/x86/lguest/i386_head.S | 2 +- drivers/lguest/lguest_device....

...Xen, but it's neater. And use set_pte/set_pmd rather than assuming native_ versions, even though that's probably true for most people. (Includes compile fix by Kamalesh Babulal <kamalesh at linux.vnet.ibm.com>) Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> Cc: Kamalesh Babulal <kamalesh at linux.vnet.ibm.com> --- drivers/lguest/page_tables.c | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables....

...Xen, but it's neater. And use set_pte/set_pmd rather than assuming native_ versions, even though that's probably true for most people. (Includes compile fix by Kamalesh Babulal <kamalesh at linux.vnet.ibm.com>) Signed-off-by: Rusty Russell <rusty at rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui at gmail.com> Cc: Kamalesh Babulal <kamalesh at linux.vnet.ibm.com> --- drivers/lguest/page_tables.c | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables....

...urse into child resources' logic from 'reserve_region_with_split()' are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-lguest-and-virtio.git master Marcelo Tosatti (1): virtio: fix suspend when using virtio_balloon Matias Zabaljauregui (1): lguest: fix crash on vmlinux images Matt Kraai (1): lguest: tell git to ignore Documentation/lguest/lguest Rusty Russell (2): lguest: fix guest crash on non-linear addresses in gdt pvops lguest: document 32-bit and PAE requirements Documentation/lguest/.gitignore...

...urse into child resources' logic from 'reserve_region_with_split()' are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-lguest-and-virtio.git master Marcelo Tosatti (1): virtio: fix suspend when using virtio_balloon Matias Zabaljauregui (1): lguest: fix crash on vmlinux images Matt Kraai (1): lguest: tell git to ignore Documentation/lguest/lguest Rusty Russell (2): lguest: fix guest crash on non-linear addresses in gdt pvops lguest: document 32-bit and PAE requirements Documentation/lguest/.gitignore...

Hello Rusty, I'have just started to read the code (and I'm not an expert kernel programmer), but is this condition ok ? (function setup_pagetables(), on file Documentation/lguest.c ) /* Ideally we map all physical memory starting at page_offset. * However, if page_offset is 0xC0000000 we can only map 1G of physical * (0xC0000000 + 1G overflows). */ if (mem >

Hello Rusty, I'have just started to read the code (and I'm not an expert kernel programmer), but is this condition ok ? (function setup_pagetables(), on file Documentation/lguest.c ) /* Ideally we map all physical memory starting at page_offset. * However, if page_offset is 0xC0000000 we can only map 1G of physical * (0xC0000000 + 1G overflows). */ if (mem >

Hi, this version requires that host and guest have the same PAE status. NX cap is not offered to the guest, yet. Thanks, Matias Lguest PAE support Signed-off-by: Matias Zabaljauregui <zabaljauregui at gmail.com> --- Documentation/lguest/lguest.txt | 1 - arch/x86/include/asm/lguest.h | 7 +- arch/x86/include/asm/lguest_hcall.h | 3 +- arch/x86/lguest/Kconfig | 1 - arch/x86/lguest/boot.c | 79 +++++++- drivers/lguest/Kcon...

Hi, this version requires that host and guest have the same PAE status. NX cap is not offered to the guest, yet. Thanks, Matias Lguest PAE support Signed-off-by: Matias Zabaljauregui <zabaljauregui at gmail.com> --- Documentation/lguest/lguest.txt | 1 - arch/x86/include/asm/lguest.h | 7 +- arch/x86/include/asm/lguest_hcall.h | 3 +- arch/x86/lguest/Kconfig | 1 - arch/x86/lguest/boot.c | 79 +++++++- drivers/lguest/Kcon...

...irtio: avoid implicit use of Linux page size in balloon interface Kay Sievers (1): virtio: struct device - replace bus_id with dev_name(), dev_set_name() Mark McLoughlin (2): virtio: add PCI device release() function lguest: struct device - replace bus_id with dev_name() Matias Zabaljauregui (1): lguest: move the initial guest page table creation code to the host Randy Dunlap (1): virtio_blk: fix type warning Rusty Russell (8): virtio: Don't use PAGE_SIZE in virtio_pci.c virtio: rename 'pagesize' arg to vring_init/vring_size virtio: Don't...

...irtio: avoid implicit use of Linux page size in balloon interface Kay Sievers (1): virtio: struct device - replace bus_id with dev_name(), dev_set_name() Mark McLoughlin (2): virtio: add PCI device release() function lguest: struct device - replace bus_id with dev_name() Matias Zabaljauregui (1): lguest: move the initial guest page table creation code to the host Randy Dunlap (1): virtio_blk: fix type warning Rusty Russell (8): virtio: Don't use PAGE_SIZE in virtio_pci.c virtio: rename 'pagesize' arg to vring_init/vring_size virtio: Don't...