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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 /sysdeps | |
| parent | Correct SH kernel-features.h undefines (bug 23862). (diff) | |
| download | glibc-295132ff052b32960207d82a950c0efbf0766857.tar.gz glibc-295132ff052b32960207d82a950c0efbf0766857.tar.bz2 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.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/riscv/kernel-features.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 |