| Date | Wed, 28 Mar 2018 13:22:25 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH for 4.17 02/21] rseq: Introduce restartable sequences system call (v12) |
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On Tue, Mar 27, 2018 at 12:05:23PM -0400, Mathieu Desnoyers wrote: > +/* > + * struct rseq_cs is aligned on 4 * 8 bytes to ensure it is always > + * contained within a single cache-line. It is usually declared as > + * link-time constant data. > + */ > +struct rseq_cs { > + /* Version of this structure. */ > + uint32_t version; > + /* enum rseq_cs_flags */ > + uint32_t flags; > + LINUX_FIELD_u32_u64(start_ip); > + /* Offset from start_ip. */ > + LINUX_FIELD_u32_u64(post_commit_offset); > + LINUX_FIELD_u32_u64(abort_ip); > +} __attribute__((aligned(4 * sizeof(uint64_t))));
What's with the uint32_t ? The normal Linux API type is __u32 afaik.
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