On Wed, 19 Mar 2014 22:58:11 +0100 Andreas Färber <afaer...@suse.de> wrote:
> Am 19.03.2014 22:03, schrieb Luiz Capitulino: > > Linux guests, when using more than 4GB of RAM, may end up using 1GB pages > > to store (kernel) data. When this happens, we're unable to debug a running > > Linux kernel with GDB: > > > > (gdb) p node_data[0]->node_id > > Cannot access memory at address 0xffff88013fffd3a0 > > (gdb) > > > > GDB returns this error because x86_cpu_get_phys_page_debug() doesn't support > > translating 1GB pages in IA-32e paging mode and returns an error to GDB. > > > > This commit adds support for 1GB page translation for IA32e paging. > > > > Signed-off-by: Luiz capitulino <lcapitul...@redhat.com> > > Capitulino? :) Can you or Peter fix it when merging? > > --- > > > > - I'm proposing this patch for 2.0 because GDB debugging of large Linux > > guests is kind of broken > > Agree that it would be nice to fix, but having mainly touched the > function interface, I am dependent on reviewers here. => rc2 or .1 I think Paolo and/or Jan will review it. > > Regards, > Andreas > > > > > - Changelog v2: > > - Move PS bit handling to if (env->hflags & HF_LMA_MASK) block > > - Update changelog > > > > target-i386/helper.c | 9 +++++++++ > > 1 file changed, 9 insertions(+) >
