From: Andreas Schwab Date: Tue, 6 Nov 2018 08:23:02 +0000 (+0100) Subject: RISC-V: don't assume PI mutexes and robust futexes before 4.20 (bug 23864) X-Git-Tag: glibc-2.29~327 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=295132ff052b32960207d82a950c0efbf0766857;p=thirdparty%2Fglibc.git RISC-V: don't assume PI mutexes and robust futexes before 4.20 (bug 23864) Support for futex_cmpxchg as only been added to 4.20-rc1. --- diff --git a/ChangeLog b/ChangeLog index 4ff4c136b77..6be02a7247c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2018-11-07 Andreas Schwab + + [BZ #23864] + * sysdeps/unix/sysv/linux/riscv/kernel-features.h + (__ASSUME_SET_ROBUST_LIST) [__LINUX_KERNEL_VERSION < 0x041400]: + Undef. + 2018-11-06 Joseph Myers [BZ #23862] diff --git a/sysdeps/unix/sysv/linux/riscv/kernel-features.h b/sysdeps/unix/sysv/linux/riscv/kernel-features.h index 37f4d99a92f..d21c824624f 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