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The user pages are generally allocated using GFP_USER or GFP_HIGHMEM
flags. The linux kernel treats GFP_USER and GFP_KERNEL as same. So,
there is no way you can tell whether a physical page belongs to user
process or not using physical frame number.
Piyus
On Fri, Oct 4, 2013 at 12:19 AM, Piyus
The user pages are generally allocated using GFP_USER or GFP_HIGHMEM
flags. The linux kernel treats GFP_USER and GFP_KERNEL as same. So,
there is no way you can tell whether a physical page belongs to user
process or not using physical frame number.
Piyus
On Fri, Oct 4, 2013 at 12:19 AM, Piyus
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Hi All,
Does anybody know if there is a way in Linux Kernel to find whether a
physical page is a user page or it is kernel page. A kernel page is
only accessed by kernel and it doesn't belong to any user process.
Thanks,
Piyus
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Hi All,
Does anybody know if there is a way in Linux Kernel to find whether a
physical page is a user page or it is kernel page. A kernel page is
only accessed by kernel and it doesn't belong to any user process.
Thanks,
Piyus
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Thanks.
On Fri, Sep 27, 2013 at 3:40 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Fri, Sep 27, 2013 at 03:19:28AM +0530, Piyus Kedia wrote:
I am working on record replay in KVM. I just want to confirm that KVM
doesn't access guest memory except for DMA. The functions
kvm_read_guest_page
if somebody else also confirm this.
Thanks,
Piyus Kedia
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Dear all,
We are working on developing a dynamic binary translator for the kernel.
Towards this, we wanted to confirm if the interrupted PC value pushed on
stack by an interrupt/exception is used by the interrupt/exception handlers?
For example, is the PC value compared against a fixed address to
wrote:
On Aug 2, 2013, at 4:43 AM, Martin Husemann mar...@duskware.de wrote:
On Fri, Aug 02, 2013 at 10:46:31AM +, Piyus Kedia wrote:
Dear all,
We are working on developing a dynamic binary translator for the kernel.
Towards this, we wanted to confirm if the interrupted PC value pushed
Thanks.
On Sat, Aug 3, 2013 at 1:44 AM, Matt Thomas m...@3am-software.com wrote:
On Aug 2, 2013, at 9:41 AM, Piyus Kedia piyuske...@gmail.com wrote:
Hi,
I can see a system call sys_rasctl which install a RAS area. So I assume
that the RAS PC's will be only user PC's
ear all,
We are working on developing a dynamic binary translator for the kernel.
Towards this, we wanted to confirm if the interrupted PC value pushed on
stack by an interrupt/exception is used by the interrupt/exception handlers?
For example, is the PC value compared against a fixed address to
Dear all,
We are working on developing a dynamic binary translator for the kernel.
Towards this, we wanted to confirm if the interrupted PC value pushed on
stack by an interrupt/exception is used by the interrupt/exception
handlers? For example, is the PC value compared against a fixed address to
Dear All,
In addition to previous mail we found that L4-microkernel checks the PC
value on stack against some kernel PC in page fault handler by looking at
the source code. Does anybody knows if there is more such cases?
Thanks,
Piyus
On Fri, Aug 2, 2013 at 7:10 PM, Piyus Kedia piyuske
Hi All,
I am working on dynamic binary translator. Please tell me if anybody know
if in L4-microkernel interrupted kernel PC is ever used in interrupt
handlers?
Thanks and regards,
Piyus
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