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GNU C Library master sources branch master updated. glibc-2.19-193-gb1115e9
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 19 Mar 2014 13:11:25 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.19-193-gb1115e9
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=b1115e916a2d94d85a110126f8781f0717269766
commit b1115e916a2d94d85a110126f8781f0717269766
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Mar 19 13:10:52 2014 +0000
Fix __ASSUME_PREADV and __ASSUME_PWRITEV for Alpha and MicroBlaze (bug 16649).
Reviewing (for all architectures, with a baseline kernel version of
2.6.32) the kernel support for features for which __ASSUME_* macros
would be affected by a move to 2.6.32 as minimum kernel version showed
up that __ASSUME_PREADV and __ASSUME_PWRITEV were wrongly defined for
MicroBlaze (despite the corresponding syscall table entries not being
wired up in the kernel) and Alpha for 2.6.30 and above (although the
support on Alpha was added in 2.6.33). This patch makes the
kernel-features.h files undefine those macros for appropriate
versions.
[BZ #16649]
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
[__LINUX_KERNEL_VERSION < 0x020621] (__ASSUME_PREADV): Undefine.
[__LINUX_KERNEL_VERSION < 0x020621] (__ASSUME_PWRITEV): Likewise.
* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
(__ASSUME_PREADV): Undefine.
(__ASSUME_PWRITEV): Likewise.
diff --git a/ChangeLog b/ChangeLog
index 9db957d..574abe1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2014-03-19 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #16649]
+ * sysdeps/unix/sysv/linux/alpha/kernel-features.h
+ [__LINUX_KERNEL_VERSION < 0x020621] (__ASSUME_PREADV): Undefine.
+ [__LINUX_KERNEL_VERSION < 0x020621] (__ASSUME_PWRITEV): Likewise.
+ * sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+ (__ASSUME_PREADV): Undefine.
+ (__ASSUME_PWRITEV): Likewise.
+
2014-03-18 Roland McGrath <roland@hack.frob.com>
* bits/mman-linux.h: Add comment about non-Linux use.
diff --git a/NEWS b/NEWS
index df5507a..5f9ffcc 100644
--- a/NEWS
+++ b/NEWS
@@ -10,8 +10,8 @@ Version 2.20
* The following bugs are resolved with this release:
15347, 15804, 15894, 16447, 16532, 16545, 16574, 16600, 16609, 16610,
- 16611, 16613, 16623, 16632, 16639, 16642, 16670, 16674, 16677, 16680,
- 16683, 16689, 16695, 16701, 16706, 16707.
+ 16611, 16613, 16623, 16632, 16639, 16642, 16649, 16670, 16674, 16677,
+ 16680, 16683, 16689, 16695, 16701, 16706, 16707.
* Running the testsuite no longer terminates as soon as a test fails.
Instead, a file tests.sum (xtests.sum from "make xcheck") is generated,
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index e691bb0..f3a7a55 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -93,4 +93,10 @@
# define __ASSUME_FDATASYNC 1
#endif
+/* Support for preadv and pwritev was added for alpha in 2.6.33. */
+#if __LINUX_KERNEL_VERSION < 0x020621
+# undef __ASSUME_PREADV
+# undef __ASSUME_PWRITEV
+#endif
+
#endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index dfb8344..f9a61a9 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -43,5 +43,8 @@
#include_next <kernel-features.h>
-/* The MicroBlaze kernel does not support the pselect6 syscall. */
+/* The MicroBlaze kernel does not support the pselect6, preadv and
+ pwritev syscalls. */
#undef __ASSUME_PSELECT
+#undef __ASSUME_PREADV
+#undef __ASSUME_PWRITEV
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
NEWS | 4 ++--
sysdeps/unix/sysv/linux/alpha/kernel-features.h | 6 ++++++
.../unix/sysv/linux/microblaze/kernel-features.h | 5 ++++-
4 files changed, 22 insertions(+), 3 deletions(-)
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