From 79af9bd6ac1040f1fe3c6cab26b2d040ad907870 Mon Sep 17 00:00:00 2001 From: Changqing Li Date: Fri, 1 Mar 2024 15:46:11 +0800 Subject: [PATCH] deps: disable io_uring support in libuv Refer [1], Pseudo fails to intercept some of the syscalls when io_uring enabled. Refer [2], always disable io_uring support in libuv to fix issue in [1]. [1] https://git.openembedded.org/meta-openembedded/commit/?id=d08453978c31ee41d28206c6ff198d7d9d701d88 [2] https://github.com/nodejs/node/commit/686da19abb Upstream-Status: Inappropriate [oe specific] Signed-off-by: Changqing Li Signed-off-by: Martin Jansa Updated by Jason Schonberg August 1, 2025 for nodejs 22.18.0 which uses libuv 1.51.0 --- deps/uv/src/unix/linux.c | 29 +---------------------------- 1 file changed, 1 insertion(+), 28 deletions(-) diff --git a/deps/uv/src/unix/linux.c b/deps/uv/src/unix/linux.c --- a/deps/uv/src/unix/linux.c +++ b/deps/uv/src/unix/linux.c @@ -465,36 +465,7 @@ /* See https://github.com/libuv/libuv/issues/4283. */ return 0; /* Random SIGSEGV in signal handler. */ #else - /* Ternary: unknown=0, yes=1, no=-1 */ - static _Atomic int use_io_uring; - char* val; - int use; - -#if defined(__hppa__) - /* io_uring first supported on parisc in 6.1, functional in .51 - * https://lore.kernel.org/all/cb912694-b1fe-dbb0-4d8c-d608f3526905@gmx.de/ - */ - if (uv__kernel_version() < /*6.1.51*/0x060133) - return 0; -#endif - - /* SQPOLL is all kinds of buggy but epoll batching should work fine. */ - if (0 == (flags & UV__IORING_SETUP_SQPOLL)) - return 1; - - /* Older kernels have a bug where the sqpoll thread uses 100% CPU. */ - if (uv__kernel_version() < /*5.10.186*/0x050ABA) - return 0; - - use = atomic_load_explicit(&use_io_uring, memory_order_relaxed); - - if (use == 0) { - val = getenv("UV_USE_IO_URING"); - use = val != NULL && atoi(val) > 0 ? 1 : -1; - atomic_store_explicit(&use_io_uring, use, memory_order_relaxed); - } - - return use > 0; +return 0; /* pseudo doesn't support io_uring https://bugzilla.yoctoproject.org/show_bug.cgi?id=15244 */ #endif }