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authorSantiago Gimeno <santiago.gimeno@gmail.com>2024-08-06 22:10:13 +0200
committerGitHub <noreply@github.com>2024-08-06 22:10:13 +0200
commite78e29c231481683c7e72450eeeb1b75b1109b2c (patch)
treee6b6571cbdcbeec64496f3a9aa98b3adfa370309 /src/unix/loop.c
parent9b3b61f606cbc4df1680a1aa08959c91023d99eb (diff)
downloadlibuv-e78e29c231481683c7e72450eeeb1b75b1109b2c.tar.gz
libuv-e78e29c231481683c7e72450eeeb1b75b1109b2c.zip
linux: disable SQPOLL io_uring by default (#4492)
The SQPOLL io_uring instance wasn't providing consistent behaviour to users depending on kernel versions, load shape, ... creating issues difficult to track and fix. Don't use this ring by default but allow enabling it by calling `uv_loop_configure()` with `UV_LOOP_ENABLE_IO_URING_SQPOLL`.
Diffstat (limited to 'src/unix/loop.c')
-rw-r--r--src/unix/loop.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/unix/loop.c b/src/unix/loop.c
index a9468e8e..179ee999 100644
--- a/src/unix/loop.c
+++ b/src/unix/loop.c
@@ -217,6 +217,14 @@ int uv__loop_configure(uv_loop_t* loop, uv_loop_option option, va_list ap) {
return 0;
}
+#if defined(__linux__)
+ if (option == UV_LOOP_USE_IO_URING_SQPOLL) {
+ loop->flags |= UV_LOOP_ENABLE_IO_URING_SQPOLL;
+ return 0;
+ }
+#endif
+
+
if (option != UV_LOOP_BLOCK_SIGNAL)
return UV_ENOSYS;