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[PATCH] alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
- From: Florian Weimer <fweimer at redhat dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>, Carlos O'Donell <carlos at redhat dot com>
- Date: Tue, 24 Jul 2018 22:26:30 +0200
- Subject: [PATCH] alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
I tested this with 4.11 and 4.13 kernel headers using
build-many-glibcs.py, both times with the respective --enable-kernel=
option.
Thanks,
Florian
Subject: [PATCH] alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13
To: libc-alpha@sourceware.org
2018-07-24 Florian Weimer <fweimer@redhat.com>
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x040D00] (__ASSUME_MLOCK2)
(__ASSUME_COPY_FILE_RANGE): Undefine. Kernel support was added in
4.13.
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index f63be39d1b..402d2573d7 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -45,8 +45,10 @@
# undef __ASSUME_EXECVEAT
#endif
-/* Support for statx was added in kernel 4.13. */
+/* Support for copy_file_range, statx was added in kernel 4.13. */
#if __LINUX_KERNEL_VERSION < 0x040D00
+# undef __ASSUME_MLOCK2
+# undef __ASSUME_COPY_FILE_RANGE
# undef __ASSUME_STATX
#endif