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| author | Andreas Schwab <schwab@suse.de> | 2018-11-06 09:23:02 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2018-11-07 09:37:48 +0100 |
| commit | 295132ff052b32960207d82a950c0efbf0766857 (patch) | |
| tree | 1b2562fbe5b13a75aeaf8a2cddb133e9768bfab0 | |
| parent | e143ceba564a94922f6e46bb3a22d7a53a909a03 (diff) | |
| download | glibc-295132ff052b32960207d82a950c0efbf0766857.tar.gz glibc-295132ff052b32960207d82a950c0efbf0766857.tar.xz glibc-295132ff052b32960207d82a950c0efbf0766857.zip | |
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.
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/kernel-features.h | 5 |
2 files changed, 12 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 4ff4c136b7..6be02a7247 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. + 2018-11-06 Joseph Myers <joseph@codesourcery.com> [BZ #23862] 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 |