Re: [RFC PATCH v9 04/13] xpfo, x86: Add support for XPFO for x86-64

2019-04-04 Thread Khalid Aziz
[trimmed To: and Cc: It was too large] On 4/4/19 1:52 AM, Peter Zijlstra wrote: > On Wed, Apr 03, 2019 at 11:34:05AM -0600, Khalid Aziz wrote: >> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h >> index 2779ace16d23..5c0e1581fa56 100644 >> --- a/arch/x86/include/asm/pg

Re: [RFC PATCH v9 04/13] xpfo, x86: Add support for XPFO for x86-64

2019-04-04 Thread Peter Zijlstra
On Wed, Apr 03, 2019 at 11:34:05AM -0600, Khalid Aziz wrote: > diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h > index 2779ace16d23..5c0e1581fa56 100644 > --- a/arch/x86/include/asm/pgtable.h > +++ b/arch/x86/include/asm/pgtable.h > @@ -1437,6 +1437,32 @@ static inline

[RFC PATCH v9 04/13] xpfo, x86: Add support for XPFO for x86-64

2019-04-03 Thread Khalid Aziz
From: Juerg Haefliger This patch adds support for XPFO for x86-64. It uses the generic infrastructure in place for XPFO and adds the architecture specific bits to enable XPFO on x86-64. CC: x...@kernel.org Suggested-by: Vasileios P. Kemerlis Signed-off-by: Juerg Haefliger Signed-off-by: Tycho