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-rw-r--r--ChangeLog7
-rw-r--r--NEWS1
-rw-r--r--sysdeps/unix/sysv/linux/riscv/kernel-features.h5
3 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 42fe0aeb1e..e5011123eb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2018-11-07 Andreas Schwab <schwab@suse.de>
+
+ [BZ #23864]
+ * sysdeps/unix/sysv/linux/riscv/kernel-features.h
+ (__ASSUME_SET_ROBUST_LIST) [__LINUX_KERNEL_VERSION < 0x041400]:
+ Undef.
+
2018-09-21 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* NEWS: Add note about new TLE support on powerpc64le.
diff --git a/NEWS b/NEWS
index 60b15116d6..11d9af739c 100644
--- a/NEWS
+++ b/NEWS
@@ -39,6 +39,7 @@ The following bugs are resolved with this release:
[23717] Fix stack overflow in stdlib/tst-setcontext9
[23821] si_band in siginfo_t has wrong type long int on sparc64
[23822] ia64 static libm.a is missing exp2f, log2f and powf symbols
+ [23864] libc: [riscv] missing kernel-features.h undefines
[23844] pthread_rwlock_trywrlock results in hang
[23927] Linux if_nametoindex() does not close descriptor (CVE-2018-19591)
[23972] __old_getdents64 uses wrong d_off value on overflow
diff --git a/sysdeps/unix/sysv/linux/riscv/kernel-features.h b/sysdeps/unix/sysv/linux/riscv/kernel-features.h
index 37f4d99a92..d21c824624 100644
--- a/sysdeps/unix/sysv/linux/riscv/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/riscv/kernel-features.h
@@ -21,3 +21,8 @@
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE_BACKWARDS 1
+
+/* No support for PI mutexes or robust futexes before 4.20. */
+#if __LINUX_KERNEL_VERSION < 0x041400
+# undef __ASSUME_SET_ROBUST_LIST
+#endif