On Mon, Sep 24, 2012 at 6:27 AM, Steven Rostedt rost...@goodmis.org wrote:
On Tue, Sep 18, 2012 at 06:29:35PM -0700, Salman Qazi wrote:
The nested NMI modifies the place (instruction, flags and stack)
that the first NMI will iret to. However, the copy of registers
modified is exactly the one
size.
I also added test cases for unaligned blocks.
Signed-off-by: Salman Qazi sq...@google.com
---
crypto/testmgr.h | 33 -
crypto/vmac.c | 47 +++
include/crypto/vmac.h |2 ++
3 files changed, 77
.
Signed-off-by: Salman Qazi sq...@google.com
---
arch/x86/kernel/entry_64.S | 20 +++-
1 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 69babd8..40ddb6d 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86
of the preserved
copy of the iret registers (saved) and the copy subject to being
trampled by nested NMI (copied).
Signed-off-by: Salman Qazi sq...@google.com
---
arch/x86/kernel/entry_64.S | 41 +++--
1 files changed, 27 insertions(+), 14 deletions(-)
diff --git
output.
We solve this problem by interchanging the position of the preserved
copy of the iret registers (saved) and the copy subject to being
trampled by nested NMI (copied).
Signed-off-by: Salman Qazi sq...@google.com
---
arch/x86/kernel/entry_64.S | 41 +++--
1
On Mon, Sep 17, 2018 at 5:05 PM Hugh Dickins wrote:
>
> Hi Jann,
>
> On Mon, 17 Sep 2018, Jann Horn wrote:
>
> > [I'm not sure who the best people to ask about this are, I hope the
> > recipient list resembles something reasonable...]
> >
> > I have noticed that the dup_mmap() logic on fork()
On Mon, Sep 24, 2012 at 6:27 AM, Steven Rostedt wrote:
> On Tue, Sep 18, 2012 at 06:29:35PM -0700, Salman Qazi wrote:
>> The nested NMI modifies the place (instruction, flags and stack)
>> that the first NMI will iret to. However, the copy of registers
>> modifi
size.
I also added test cases for unaligned blocks.
Signed-off-by: Salman Qazi
---
crypto/testmgr.h | 33 -
crypto/vmac.c | 47 +++
include/crypto/vmac.h |2 ++
3 files changed, 77 insertions(+), 5
.
Signed-off-by: Salman Qazi
---
arch/x86/kernel/entry_64.S | 20 +++-
1 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 69babd8..40ddb6d 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64
of the preserved
copy of the iret registers ("saved") and the copy subject to being
trampled by nested NMI ("copied").
Signed-off-by: Salman Qazi
---
arch/x86/kernel/entry_64.S | 41 +++--
1 files changed, 27 insertions(+), 14 deletions(-)
d
output.
We solve this problem by interchanging the position of the preserved
copy of the iret registers ("saved") and the copy subject to being
trampled by nested NMI ("copied").
Signed-off-by: Salman Qazi
---
arch/x86/kernel/entry_64.S | 41 +++---
Do you have any additional concerns?
On Thu, Feb 7, 2019 at 10:43 AM Salman Qazi wrote:
>
> On Wed, Feb 6, 2019 at 8:14 PM Al Viro wrote:
> >
> > On Wed, Feb 06, 2019 at 11:53:54AM -0800, Salman Qazi wrote:
> >
> > > This patch solves the issue by removin
Hi,
What is the intention behind icache_is_aliasing on big.LITTLE systems
where some icaches are VIPT and others are PIPT? Is it meant to be
conservative in some sense or should it be made per-CPU?
Thanks for your help,
Salman
Thank you.
On Thu, May 9, 2019 at 1:50 AM Catalin Marinas wrote:
>
> Hi,
>
> On Wed, May 08, 2019 at 11:45:03AM -0700, Salman Qazi wrote:
> > What is the intention behind icache_is_aliasing on big.LITTLE systems
> > where some icaches are VIPT and othe
n 0;
}
assert(waitpid(pid, , 0) == pid);
}
}
Before:
$ time ./unshare2
real0m9.784s
user0m0.428s
sys 0m0.000s
After:
$ time ./unshare2
real0m0.368s
user0m0.226s
sys 0m0.122s
Signed-off-by: Salman Qazi
Reviewed-by: E
On Mon, Sep 17, 2018 at 5:05 PM Hugh Dickins wrote:
>
> Hi Jann,
>
> On Mon, 17 Sep 2018, Jann Horn wrote:
>
> > [I'm not sure who the best people to ask about this are, I hope the
> > recipient list resembles something reasonable...]
> >
> > I have noticed that the dup_mmap() logic on fork()
Commit-ID: 28696f434fef0efa97534b59986ad33b9c4df7f8
Gitweb: http://git.kernel.org/tip/28696f434fef0efa97534b59986ad33b9c4df7f8
Author: Salman Qazi sq...@google.com
AuthorDate: Mon, 1 Oct 2012 17:29:25 -0700
Committer: Steven Rostedt rost...@goodmis.org
CommitDate: Fri, 2 Nov 2012 11:29
Commit-ID: 28696f434fef0efa97534b59986ad33b9c4df7f8
Gitweb: http://git.kernel.org/tip/28696f434fef0efa97534b59986ad33b9c4df7f8
Author: Salman Qazi
AuthorDate: Mon, 1 Oct 2012 17:29:25 -0700
Committer: Steven Rostedt
CommitDate: Fri, 2 Nov 2012 11:29:36 -0400
x86: Don't clobber top
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