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| author | Michael Jeanson <mjeanson@efficios.com> | 2024-08-01 14:29:10 -0400 |
|---|---|---|
| committer | Michael Jeanson <mjeanson@efficios.com> | 2025-01-10 20:20:39 +0000 |
| commit | 540c8172660b93909ca9511e9742cd4dad4644a1 (patch) | |
| tree | f6d7f71a81e58adffc55ff81ca1923c26b840a0b | |
| parent | 93d0bfbe8ffa9c3dcbfc8e953216542f500dac07 (diff) | |
| download | glibc-540c8172660b93909ca9511e9742cd4dad4644a1.zip glibc-540c8172660b93909ca9511e9742cd4dad4644a1.tar.gz glibc-540c8172660b93909ca9511e9742cd4dad4644a1.tar.bz2 | |
nptl: Remove the rseq area from 'struct pthread'
The rseq extensible ABI implementation moved the rseq area to the 'extra
TLS' block, remove the unused 'rseq_area' member of 'struct pthread'.
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Florian Weimer <fweimer@redhat.com>
| -rw-r--r-- | nptl/descr.h | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/nptl/descr.h b/nptl/descr.h index d0d3092..c60ca13 100644 --- a/nptl/descr.h +++ b/nptl/descr.h @@ -407,27 +407,11 @@ struct pthread /* getrandom vDSO per-thread opaque state. */ void *getrandom_buf; - /* rseq area registered with the kernel. Use a custom definition - here to isolate from kernel struct rseq changes. The - implementation of sched_getcpu needs acccess to the cpu_id field; - the other fields are unused and not included here. */ - union - { - struct - { - uint32_t cpu_id_start; - uint32_t cpu_id; - uint64_t rseq_cs; - uint32_t flags; - }; - char pad[32]; /* Original rseq area size. */ - } rseq_area __attribute__ ((aligned (32))); - /* Amount of end padding, if any, in this structure. - This definition relies on rseq_area being last. */ + This definition relies on getrandom_buf being last. */ #define PTHREAD_STRUCT_END_PADDING \ - (sizeof (struct pthread) - offsetof (struct pthread, rseq_area) \ - + sizeof ((struct pthread) {}.rseq_area)) + (sizeof (struct pthread) - offsetof (struct pthread, getrandom_buf) \ + + sizeof ((struct pthread) {}.getrandom_buf)) } __attribute ((aligned (TCB_ALIGNMENT))); static inline bool |