From: Dave Hansen <dave@sr71.net>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, x86@kernel.org, dave.hansen@linux.intel.com,
linux-api@vger.kernel.org
Subject: Re: [PATCH 26/34] mm: implement new mprotect_key() system call
Date: Mon, 7 Dec 2015 08:44:23 -0800 [thread overview]
Message-ID: <5665B767.8020802@sr71.net> (raw)
In-Reply-To: <5662894B.7090903@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 613 bytes --]
On 12/04/2015 10:50 PM, Michael Kerrisk (man-pages) wrote:
> On 12/04/2015 02:15 AM, Dave Hansen wrote:
>> From: Dave Hansen <dave.hansen@linux.intel.com>
>>
>> mprotect_key() is just like mprotect, except it also takes a
>> protection key as an argument. On systems that do not support
>> protection keys, it still works, but requires that key=0.
>> Otherwise it does exactly what mprotect does.
>
> Is there a man page for this API?
Yep. Patch to man-pages source is attached. I actually broke it up in
to a few separate pages. I was planning on submitting these after the
patches themselves go upstream.
[-- Attachment #2: pkeys.patch --]
[-- Type: text/x-patch, Size: 6639 bytes --]
commit ebb12643876810931ed23992f92b7c77c2c36883
Author: Dave Hansen <dave.hansen@intel.com>
Date: Mon Dec 7 08:42:57 2015 -0800
pkeys
diff --git a/man2/mprotect.2 b/man2/mprotect.2
index ae305f6..a3c1e62 100644
--- a/man2/mprotect.2
+++ b/man2/mprotect.2
@@ -38,16 +38,19 @@
.\"
.TH MPROTECT 2 2015-07-23 "Linux" "Linux Programmer's Manual"
.SH NAME
-mprotect \- set protection on a region of memory
+mprotect, mprotect_key \- set protection on a region of memory
.SH SYNOPSIS
.nf
.B #include <sys/mman.h>
.sp
.BI "int mprotect(void *" addr ", size_t " len ", int " prot );
+.BI "int mprotect_key(void *" addr ", size_t " len ", int " prot , " int " key);
.fi
.SH DESCRIPTION
.BR mprotect ()
-changes protection for the calling process's memory page(s)
+and
+.BR mprotect_key ()
+change protection for the calling process's memory page(s)
containing any part of the address range in the
interval [\fIaddr\fP,\ \fIaddr\fP+\fIlen\fP\-1].
.I addr
@@ -74,10 +77,17 @@ The memory can be modified.
.TP
.B PROT_EXEC
The memory can be executed.
+.PP
+.I key
+is the protection or storage key to assign to the memory.
+A key must be allocated with pkey_alloc () before it is
+passed to pkey_mprotect ().
.SH RETURN VALUE
On success,
.BR mprotect ()
-returns zero.
+and
+.BR mprotect_key ()
+return zero.
On error, \-1 is returned, and
.I errno
is set appropriately.
diff --git a/man2/pkey_alloc.2 b/man2/pkey_alloc.2
new file mode 100644
index 0000000..980ce3e
--- /dev/null
+++ b/man2/pkey_alloc.2
@@ -0,0 +1,72 @@
+.\" Copyright (C) 2007 Michael Kerrisk <mtk.manpages@gmail.com>
+.\" and Copyright (C) 1995 Michael Shields <shields@tembel.org>.
+.\"
+.\" %%%LICENSE_START(VERBATIM)
+.\" Permission is granted to make and distribute verbatim copies of this
+.\" manual provided the copyright notice and this permission notice are
+.\" preserved on all copies.
+.\"
+.\" Permission is granted to copy and distribute modified versions of this
+.\" manual under the conditions for verbatim copying, provided that the
+.\" entire resulting derived work is distributed under the terms of a
+.\" permission notice identical to this one.
+.\"
+.\" Since the Linux kernel and libraries are constantly changing, this
+.\" manual page may be incorrect or out-of-date. The author(s) assume no
+.\" responsibility for errors or omissions, or for damages resulting from
+.\" the use of the information contained herein. The author(s) may not
+.\" have taken the same level of care in the production of this manual,
+.\" which is licensed free of charge, as they might when working
+.\" professionally.
+.\"
+.\" Formatted or processed versions of this manual, if unaccompanied by
+.\" the source, must acknowledge the copyright and author of this work.
+.\" %%%LICENSE_END
+.\"
+.\" Modified 2015-12-04 by Dave Hansen <dave@sr71.net>
+.\"
+.\"
+.TH PKEY_ALLOC 2 2015-12-04 "Linux" "Linux Programmer's Manual"
+.SH NAME
+pkey_alloc, pkey_free \- allocate or free a protection key
+.SH SYNOPSIS
+.nf
+.B #include <sys/mman.h>
+.sp
+.BI "int pkey_alloc(unsigned long" flags ", unsigned long " init_val);
+.BI "int pkey_free(int " pkey);
+.fi
+.SH DESCRIPTION
+.BR pkey_alloc ()
+and
+.BR pkey_free ()
+allow or disallow the calling process's to use the given
+protection key for all protection-key-related operations.
+
+.PP
+.I flags
+is may contain zero or more disable operation:
+.B PKEY_DISABLE_ACCESS
+and/or
+.B PKEY_DISABLE_WRITE
+.SH RETURN VALUE
+On success,
+.BR pkey_alloc ()
+and
+.BR pkey_free ()
+return zero.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EINVAL
+An invalid protection key, flag, or init_val was specified.
+.TP
+.B ENOSPC
+All protection keys available for the current process have
+been allocated.
+.SH SEE ALSO
+.BR mprotect_pkey (2),
+.BR pkey_get (2),
+.BR pkey_set (2),
diff --git a/man2/pkey_get.2 b/man2/pkey_get.2
new file mode 100644
index 0000000..4cfdea9
--- /dev/null
+++ b/man2/pkey_get.2
@@ -0,0 +1,76 @@
+.\" Copyright (C) 2007 Michael Kerrisk <mtk.manpages@gmail.com>
+.\" and Copyright (C) 1995 Michael Shields <shields@tembel.org>.
+.\"
+.\" %%%LICENSE_START(VERBATIM)
+.\" Permission is granted to make and distribute verbatim copies of this
+.\" manual provided the copyright notice and this permission notice are
+.\" preserved on all copies.
+.\"
+.\" Permission is granted to copy and distribute modified versions of this
+.\" manual under the conditions for verbatim copying, provided that the
+.\" entire resulting derived work is distributed under the terms of a
+.\" permission notice identical to this one.
+.\"
+.\" Since the Linux kernel and libraries are constantly changing, this
+.\" manual page may be incorrect or out-of-date. The author(s) assume no
+.\" responsibility for errors or omissions, or for damages resulting from
+.\" the use of the information contained herein. The author(s) may not
+.\" have taken the same level of care in the production of this manual,
+.\" which is licensed free of charge, as they might when working
+.\" professionally.
+.\"
+.\" Formatted or processed versions of this manual, if unaccompanied by
+.\" the source, must acknowledge the copyright and author of this work.
+.\" %%%LICENSE_END
+.\"
+.\" Modified 2015-12-04 by Dave Hansen <dave@sr71.net>
+.\"
+.\"
+.TH PKEY_GET 2 2015-12-04 "Linux" "Linux Programmer's Manual"
+.SH NAME
+pkey_get, pkey_set \- manage protection key access permissions
+.SH SYNOPSIS
+.nf
+.B #include <sys/mman.h>
+.sp
+.BI "int pkey_get(int " pkey);
+.BI "int pkey_set(int " pkey ", unsigned long " access_rights);
+.fi
+.SH DESCRIPTION
+.BR pkey_get ()
+and
+.BR pkey_set ()
+query or set the current set of rights for the calling
+task for the given protection key.
+When rights for a key are disabled, any future access
+to any memory region with that key set will generate
+a SIGSEGV. The rights are local to the calling thread and
+do not affect any other threads.
+.PP
+Upon entering any signal handler, the process is given a
+default set of protection key rights which are separate from
+the main thread's. Any calls to pkey_set () in a signal
+will not persist upon a return to the calling process.
+.PP
+.I access_rights
+is may contain zero or more disable operation:
+.B PKEY_DISABLE_ACCESS
+and/or
+.B PKEY_DISABLE_WRITE
+.SH RETURN VALUE
+On success,
+.BR pkey_get ()
+and
+.BR pkey_set ()
+return zero.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EINVAL
+An invalid protection key or access_rights was specified.
+.SH SEE ALSO
+.BR mprotect_pkey (2),
+.BR pkey_alloc (2),
+.BR pkey_free (2),
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave-gkUM19QKKo4@public.gmane.org>
To: "Michael Kerrisk (man-pages)"
<mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 26/34] mm: implement new mprotect_key() system call
Date: Mon, 7 Dec 2015 08:44:23 -0800 [thread overview]
Message-ID: <5665B767.8020802@sr71.net> (raw)
In-Reply-To: <5662894B.7090903-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 637 bytes --]
On 12/04/2015 10:50 PM, Michael Kerrisk (man-pages) wrote:
> On 12/04/2015 02:15 AM, Dave Hansen wrote:
>> From: Dave Hansen <dave.hansen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
>>
>> mprotect_key() is just like mprotect, except it also takes a
>> protection key as an argument. On systems that do not support
>> protection keys, it still works, but requires that key=0.
>> Otherwise it does exactly what mprotect does.
>
> Is there a man page for this API?
Yep. Patch to man-pages source is attached. I actually broke it up in
to a few separate pages. I was planning on submitting these after the
patches themselves go upstream.
[-- Attachment #2: pkeys.patch --]
[-- Type: text/x-patch, Size: 6827 bytes --]
commit ebb12643876810931ed23992f92b7c77c2c36883
Author: Dave Hansen <dave.hansen-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Date: Mon Dec 7 08:42:57 2015 -0800
pkeys
diff --git a/man2/mprotect.2 b/man2/mprotect.2
index ae305f6..a3c1e62 100644
--- a/man2/mprotect.2
+++ b/man2/mprotect.2
@@ -38,16 +38,19 @@
.\"
.TH MPROTECT 2 2015-07-23 "Linux" "Linux Programmer's Manual"
.SH NAME
-mprotect \- set protection on a region of memory
+mprotect, mprotect_key \- set protection on a region of memory
.SH SYNOPSIS
.nf
.B #include <sys/mman.h>
.sp
.BI "int mprotect(void *" addr ", size_t " len ", int " prot );
+.BI "int mprotect_key(void *" addr ", size_t " len ", int " prot , " int " key);
.fi
.SH DESCRIPTION
.BR mprotect ()
-changes protection for the calling process's memory page(s)
+and
+.BR mprotect_key ()
+change protection for the calling process's memory page(s)
containing any part of the address range in the
interval [\fIaddr\fP,\ \fIaddr\fP+\fIlen\fP\-1].
.I addr
@@ -74,10 +77,17 @@ The memory can be modified.
.TP
.B PROT_EXEC
The memory can be executed.
+.PP
+.I key
+is the protection or storage key to assign to the memory.
+A key must be allocated with pkey_alloc () before it is
+passed to pkey_mprotect ().
.SH RETURN VALUE
On success,
.BR mprotect ()
-returns zero.
+and
+.BR mprotect_key ()
+return zero.
On error, \-1 is returned, and
.I errno
is set appropriately.
diff --git a/man2/pkey_alloc.2 b/man2/pkey_alloc.2
new file mode 100644
index 0000000..980ce3e
--- /dev/null
+++ b/man2/pkey_alloc.2
@@ -0,0 +1,72 @@
+.\" Copyright (C) 2007 Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
+.\" and Copyright (C) 1995 Michael Shields <shields-QLfR772JJfgdnm+yROfE0A@public.gmane.org>.
+.\"
+.\" %%%LICENSE_START(VERBATIM)
+.\" Permission is granted to make and distribute verbatim copies of this
+.\" manual provided the copyright notice and this permission notice are
+.\" preserved on all copies.
+.\"
+.\" Permission is granted to copy and distribute modified versions of this
+.\" manual under the conditions for verbatim copying, provided that the
+.\" entire resulting derived work is distributed under the terms of a
+.\" permission notice identical to this one.
+.\"
+.\" Since the Linux kernel and libraries are constantly changing, this
+.\" manual page may be incorrect or out-of-date. The author(s) assume no
+.\" responsibility for errors or omissions, or for damages resulting from
+.\" the use of the information contained herein. The author(s) may not
+.\" have taken the same level of care in the production of this manual,
+.\" which is licensed free of charge, as they might when working
+.\" professionally.
+.\"
+.\" Formatted or processed versions of this manual, if unaccompanied by
+.\" the source, must acknowledge the copyright and author of this work.
+.\" %%%LICENSE_END
+.\"
+.\" Modified 2015-12-04 by Dave Hansen <dave-gkUM19QKKo4@public.gmane.org>
+.\"
+.\"
+.TH PKEY_ALLOC 2 2015-12-04 "Linux" "Linux Programmer's Manual"
+.SH NAME
+pkey_alloc, pkey_free \- allocate or free a protection key
+.SH SYNOPSIS
+.nf
+.B #include <sys/mman.h>
+.sp
+.BI "int pkey_alloc(unsigned long" flags ", unsigned long " init_val);
+.BI "int pkey_free(int " pkey);
+.fi
+.SH DESCRIPTION
+.BR pkey_alloc ()
+and
+.BR pkey_free ()
+allow or disallow the calling process's to use the given
+protection key for all protection-key-related operations.
+
+.PP
+.I flags
+is may contain zero or more disable operation:
+.B PKEY_DISABLE_ACCESS
+and/or
+.B PKEY_DISABLE_WRITE
+.SH RETURN VALUE
+On success,
+.BR pkey_alloc ()
+and
+.BR pkey_free ()
+return zero.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EINVAL
+An invalid protection key, flag, or init_val was specified.
+.TP
+.B ENOSPC
+All protection keys available for the current process have
+been allocated.
+.SH SEE ALSO
+.BR mprotect_pkey (2),
+.BR pkey_get (2),
+.BR pkey_set (2),
diff --git a/man2/pkey_get.2 b/man2/pkey_get.2
new file mode 100644
index 0000000..4cfdea9
--- /dev/null
+++ b/man2/pkey_get.2
@@ -0,0 +1,76 @@
+.\" Copyright (C) 2007 Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
+.\" and Copyright (C) 1995 Michael Shields <shields-QLfR772JJfgdnm+yROfE0A@public.gmane.org>.
+.\"
+.\" %%%LICENSE_START(VERBATIM)
+.\" Permission is granted to make and distribute verbatim copies of this
+.\" manual provided the copyright notice and this permission notice are
+.\" preserved on all copies.
+.\"
+.\" Permission is granted to copy and distribute modified versions of this
+.\" manual under the conditions for verbatim copying, provided that the
+.\" entire resulting derived work is distributed under the terms of a
+.\" permission notice identical to this one.
+.\"
+.\" Since the Linux kernel and libraries are constantly changing, this
+.\" manual page may be incorrect or out-of-date. The author(s) assume no
+.\" responsibility for errors or omissions, or for damages resulting from
+.\" the use of the information contained herein. The author(s) may not
+.\" have taken the same level of care in the production of this manual,
+.\" which is licensed free of charge, as they might when working
+.\" professionally.
+.\"
+.\" Formatted or processed versions of this manual, if unaccompanied by
+.\" the source, must acknowledge the copyright and author of this work.
+.\" %%%LICENSE_END
+.\"
+.\" Modified 2015-12-04 by Dave Hansen <dave-gkUM19QKKo4@public.gmane.org>
+.\"
+.\"
+.TH PKEY_GET 2 2015-12-04 "Linux" "Linux Programmer's Manual"
+.SH NAME
+pkey_get, pkey_set \- manage protection key access permissions
+.SH SYNOPSIS
+.nf
+.B #include <sys/mman.h>
+.sp
+.BI "int pkey_get(int " pkey);
+.BI "int pkey_set(int " pkey ", unsigned long " access_rights);
+.fi
+.SH DESCRIPTION
+.BR pkey_get ()
+and
+.BR pkey_set ()
+query or set the current set of rights for the calling
+task for the given protection key.
+When rights for a key are disabled, any future access
+to any memory region with that key set will generate
+a SIGSEGV. The rights are local to the calling thread and
+do not affect any other threads.
+.PP
+Upon entering any signal handler, the process is given a
+default set of protection key rights which are separate from
+the main thread's. Any calls to pkey_set () in a signal
+will not persist upon a return to the calling process.
+.PP
+.I access_rights
+is may contain zero or more disable operation:
+.B PKEY_DISABLE_ACCESS
+and/or
+.B PKEY_DISABLE_WRITE
+.SH RETURN VALUE
+On success,
+.BR pkey_get ()
+and
+.BR pkey_set ()
+return zero.
+On error, \-1 is returned, and
+.I errno
+is set appropriately.
+.SH ERRORS
+.TP
+.B EINVAL
+An invalid protection key or access_rights was specified.
+.SH SEE ALSO
+.BR mprotect_pkey (2),
+.BR pkey_alloc (2),
+.BR pkey_free (2),
next prev parent reply other threads:[~2015-12-07 16:44 UTC|newest]
Thread overview: 145+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 1:14 [PATCH 00/34] x86: Memory Protection Keys (v5) Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 01/34] mm, gup: introduce concept of "foreign" get_user_pages() Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 02/34] x86, fpu: add placeholder for Processor Trace XSAVE state Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 03/34] x86, pkeys: Add Kconfig option Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 04/34] x86, pkeys: cpuid bit definition Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 05/34] x86, pkeys: define new CR4 bit Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 06/34] x86, pkeys: add PKRU xsave fields and data structure(s) Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 07/34] x86, pkeys: PTE bits for storing protection key Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 08/34] x86, pkeys: new page fault error code bit: PF_PK Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 09/34] x86, pkeys: store protection in high VMA flags Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 14:17 ` Thomas Gleixner
2015-12-08 14:17 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 10/34] x86, pkeys: arch-specific protection bits Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 15:15 ` [PATCH 10/34] x86, pkeys: arch-specific protection bitsy Thomas Gleixner
2015-12-08 15:15 ` Thomas Gleixner
2015-12-08 16:34 ` Dave Hansen
2015-12-08 16:34 ` Dave Hansen
2015-12-08 17:24 ` Thomas Gleixner
2015-12-08 17:24 ` Thomas Gleixner
2015-12-08 18:06 ` Dave Hansen
2015-12-08 18:29 ` Thomas Gleixner
2015-12-08 18:29 ` Thomas Gleixner
2015-12-08 18:35 ` Thomas Gleixner
2015-12-08 18:35 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 11/34] x86, pkeys: pass VMA down in to fault signal generation code Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 12/34] signals, pkeys: notify userspace about protection key faults Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 13/34] x86, pkeys: fill in pkey field in siginfo Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 14/34] x86, pkeys: add functions to fetch PKRU Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 15:18 ` Thomas Gleixner
2015-12-08 15:18 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 15/34] mm: factor out VMA fault permission checking Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 17:26 ` Thomas Gleixner
2015-12-08 17:26 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 16/34] x86, mm: simplify get_user_pages() PTE bit handling Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:01 ` Thomas Gleixner
2015-12-08 18:01 ` Thomas Gleixner
2015-12-08 18:30 ` Dave Hansen
2015-12-08 18:30 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 17/34] x86, pkeys: check VMAs and PTEs for protection keys Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:11 ` Thomas Gleixner
2015-12-08 18:11 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 18/34] mm: add gup flag to indicate "foreign" mm access Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 19/34] x86, pkeys: optimize fault handling in access_error() Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:14 ` Thomas Gleixner
2015-12-08 18:14 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 20/34] x86, pkeys: differentiate instruction fetches Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:17 ` Thomas Gleixner
2015-12-08 18:17 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 21/34] x86, pkeys: dump PKRU with other kernel registers Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:19 ` Thomas Gleixner
2015-12-08 18:19 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 22/34] x86, pkeys: dump PTE pkey in /proc/pid/smaps Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:20 ` Thomas Gleixner
2015-12-08 18:20 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 23/34] x86, pkeys: add Kconfig prompt to existing config option Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:21 ` Thomas Gleixner
2015-12-08 18:21 ` Thomas Gleixner
2015-12-04 1:14 ` [PATCH 24/34] mm, multi-arch: pass a protection key in to calc_vm_flag_bits() Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-04 1:14 ` [PATCH 25/34] x86, pkeys: add arch_validate_pkey() Dave Hansen
2015-12-04 1:14 ` Dave Hansen
2015-12-08 18:39 ` Thomas Gleixner
2015-12-08 18:39 ` Thomas Gleixner
2015-12-04 1:15 ` [PATCH 26/34] mm: implement new mprotect_key() system call Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-05 6:50 ` Michael Kerrisk (man-pages)
2015-12-05 6:50 ` Michael Kerrisk (man-pages)
2015-12-05 6:50 ` Michael Kerrisk (man-pages)
2015-12-07 16:44 ` Dave Hansen [this message]
2015-12-07 16:44 ` Dave Hansen
2015-12-09 11:08 ` Michael Kerrisk (man-pages)
2015-12-09 11:08 ` Michael Kerrisk (man-pages)
2015-12-09 15:48 ` Dave Hansen
2015-12-09 15:48 ` Dave Hansen
2015-12-09 16:45 ` Michael Kerrisk (man-pages)
2015-12-09 16:45 ` Michael Kerrisk (man-pages)
2015-12-09 16:45 ` Michael Kerrisk (man-pages)
2015-12-09 17:05 ` Dave Hansen
2015-12-09 17:05 ` Dave Hansen
2015-12-09 17:05 ` Dave Hansen
2015-12-11 20:13 ` Michael Kerrisk (man-pages)
2015-12-11 20:13 ` Michael Kerrisk (man-pages)
2015-12-04 1:15 ` [PATCH 27/34] x86, pkeys: make mprotect_key() mask off additional vm_flags Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-08 18:41 ` Thomas Gleixner
2015-12-08 18:41 ` Thomas Gleixner
2015-12-04 1:15 ` [PATCH 28/34] x86: wire up mprotect_key() system call Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-08 18:44 ` Thomas Gleixner
2015-12-08 18:44 ` Thomas Gleixner
2015-12-08 18:44 ` Thomas Gleixner
2015-12-08 19:06 ` Dave Hansen
2015-12-08 19:06 ` Dave Hansen
2015-12-08 20:38 ` Thomas Gleixner
2015-12-08 20:38 ` Thomas Gleixner
2015-12-08 20:38 ` Thomas Gleixner
2015-12-04 1:15 ` [PATCH 29/34] x86: separate out LDT init from context init Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-08 18:45 ` Thomas Gleixner
2015-12-08 18:45 ` Thomas Gleixner
2015-12-04 1:15 ` [PATCH 30/34] x86, fpu: allow setting of XSAVE state Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-08 18:48 ` Thomas Gleixner
2015-12-08 18:48 ` Thomas Gleixner
2015-12-04 1:15 ` [PATCH 31/34] x86, pkeys: allocation/free syscalls Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-04 1:15 ` [PATCH 32/34] x86, pkeys: add pkey set/get syscalls Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-04 1:15 ` [PATCH 33/34] x86, pkeys: actually enable Memory Protection Keys in CPU Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-04 1:15 ` [PATCH 34/34] x86, pkeys: Documentation Dave Hansen
2015-12-04 1:15 ` Dave Hansen
2015-12-04 23:31 ` [PATCH 00/34] x86: Memory Protection Keys (v5) Andy Lutomirski
2015-12-04 23:31 ` Andy Lutomirski
2015-12-04 23:38 ` Dave Hansen
2015-12-04 23:38 ` Dave Hansen
2015-12-04 23:38 ` Dave Hansen
2015-12-11 20:16 ` Andy Lutomirski
2015-12-11 20:16 ` Andy Lutomirski
2015-12-11 20:16 ` Andy Lutomirski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5665B767.8020802@sr71.net \
--to=dave@sr71.net \
--cc=dave.hansen@linux.intel.com \
--cc=linux-api@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mtk.manpages@gmail.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.