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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-01-02 21:16:29 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-01-02 21:16:29 +0300 |
| commit | 136292522e43da46bee4c0fef80b2602f79525a2 (patch) | |
| tree | 47c892c46e01fa4a3ef014f3737ecee3776969ee /io_uring/kbuf.h | |
| parent | 8ed26ab8d59111c2f7b86d200d1eb97d2a458fd1 (diff) | |
| parent | 118e10cd893d57df55b3302dfd188a981b6e6d1c (diff) | |
| download | linux-136292522e43da46bee4c0fef80b2602f79525a2.tar.xz | |
Merge tag 'loongarch-kvm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.8
1. Optimization for memslot hugepage checking.
2. Cleanup and fix some HW/SW timer issues.
3. Add LSX/LASX (128bit/256bit SIMD) support.
Diffstat (limited to 'io_uring/kbuf.h')
| -rw-r--r-- | io_uring/kbuf.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h index f2d615236b2c..9be5960817ea 100644 --- a/io_uring/kbuf.h +++ b/io_uring/kbuf.h @@ -15,6 +15,7 @@ struct io_buffer_list { struct page **buf_pages; struct io_uring_buf_ring *buf_ring; }; + struct rcu_head rcu; }; __u16 bgid; @@ -28,6 +29,8 @@ struct io_buffer_list { __u8 is_mapped; /* ring mapped provided buffers, but mmap'ed by application */ __u8 is_mmap; + /* bl is visible from an RCU point of view for lookup */ + __u8 is_ready; }; struct io_buffer { @@ -51,6 +54,8 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags); int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg); int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg); +void io_kbuf_mmap_list_free(struct io_ring_ctx *ctx); + unsigned int __io_put_kbuf(struct io_kiocb *req, unsigned issue_flags); bool io_kbuf_recycle_legacy(struct io_kiocb *req, unsigned issue_flags); |