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[v2,3/7] linux: Add MMAP_ABOVE4G from Linux 6.6 to sys/mman.h

Message ID 20231031163239.4020952-4-adhemerval.zanella@linaro.org
State Accepted
Commit cb8c78b2ffa0b77ae453b2d328d7e2fe5186ef2a
Headers show
Series Updates from Linux 6.6 | expand

Commit Message

Adhemerval Zanella Oct. 31, 2023, 4:32 p.m. UTC 
x86 added the flag (29f890d1050fc099f) for CET enabled.

Also update tst-mman-consts.py test.
---
 sysdeps/unix/sysv/linux/tst-mman-consts.py | 2 +-
 sysdeps/unix/sysv/linux/x86/bits/mman.h    | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

Comments

Joseph Myers Nov. 2, 2023, 9:08 p.m. UTC | #1 
On Tue, 31 Oct 2023, Adhemerval Zanella wrote:

> x86 added the flag (29f890d1050fc099f) for CET enabled.
> 
> Also update tst-mman-consts.py test.

OK.
diff mbox series

Patch

diff --git a/sysdeps/unix/sysv/linux/tst-mman-consts.py b/sysdeps/unix/sysv/linux/tst-mman-consts.py
index e85ea41ee4..8186d7e178 100644
--- a/sysdeps/unix/sysv/linux/tst-mman-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-mman-consts.py
@@ -33,7 +33,7 @@  def main():
                         help='C compiler (including options) to use')
     args = parser.parse_args()
     linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
-    linux_version_glibc = (6, 5)
+    linux_version_glibc = (6, 6)
     sys.exit(glibcextract.compare_macro_consts(
         '#define _GNU_SOURCE 1\n'
         '#include <sys/mman.h>\n',
diff --git a/sysdeps/unix/sysv/linux/x86/bits/mman.h b/sysdeps/unix/sysv/linux/x86/bits/mman.h
index b335ceff43..3d356e86a0 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/mman.h
@@ -25,6 +25,7 @@ 
 
 /* Other flags.  */
 #define MAP_32BIT	0x40		/* Only give out 32-bit addresses.  */
+#define MAP_ABOVE4G	0x80		/* Only map above 4GB.  */
 
 #include <bits/mman-map-flags-generic.h>