diff mbox series

qemu: Do not define sched_attr with glibc >= 2.41

Message ID 20241011194315.1054141-1-raj.khem@gmail.com
State New
Headers show
Series qemu: Do not define sched_attr with glibc >= 2.41 | expand

Commit Message

Khem Raj Oct. 11, 2024, 7:43 p.m. UTC
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 meta/recipes-devtools/qemu/qemu.inc           |  1 +
 ...ed_attr-Do-not-define-for-glibc-2.41.patch | 47 +++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 meta/recipes-devtools/qemu/qemu/0001-sched_attr-Do-not-define-for-glibc-2.41.patch

Comments

patchtest@automation.yoctoproject.org Oct. 11, 2024, 8:05 p.m. UTC | #1
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---
Testing patch /home/patchtest/share/mboxes/qemu-Do-not-define-sched_attr-with-glibc-2.41.patch

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diff mbox series

Patch

diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc
index 2786eedd423..223de71efee 100644
--- a/meta/recipes-devtools/qemu/qemu.inc
+++ b/meta/recipes-devtools/qemu/qemu.inc
@@ -33,6 +33,7 @@  SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \
            file://0009-linux-user-Replace-use-of-lfs64-related-functions-an.patch \
            file://0010-configure-lookup-meson-exutable-from-PATH.patch \
            file://0011-qemu-Ensure-pip-and-the-python-venv-aren-t-used-for-.patch \
+           file://0001-sched_attr-Do-not-define-for-glibc-2.41.patch \
            file://qemu-guest-agent.init \
            file://qemu-guest-agent.udev \
            "
diff --git a/meta/recipes-devtools/qemu/qemu/0001-sched_attr-Do-not-define-for-glibc-2.41.patch b/meta/recipes-devtools/qemu/qemu/0001-sched_attr-Do-not-define-for-glibc-2.41.patch
new file mode 100644
index 00000000000..edb3e304c96
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/0001-sched_attr-Do-not-define-for-glibc-2.41.patch
@@ -0,0 +1,47 @@ 
+From ddb27569449c941014fa44b1b542de0831d993a0 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 10 Oct 2024 22:40:32 -0700
+Subject: [PATCH v2] sched_attr: Do not define for glibc >= 2.41
+
+glibc 2.41+ has added [1] definitions for sched_setattr and sched_getattr functions
+and struct sched_attr. Therefore, it needs to be checked for here as well before
+defining sched_attr
+
+Define sched_attr conditionally on SCHED_ATTR_SIZE_VER0
+
+Fixes builds with glibc/trunk
+
+[1] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=21571ca0d70302909cf72707b2a7736cf12190a0;hp=298bc488fdc047da37482f4003023cb9adef78f8
+
+Upstream-Status: Submitted [https://patchwork.ozlabs.org/project/qemu-devel/patch/20241011193140.1047648-1-raj.khem@gmail.com/]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Cc: Laurent Vivier <laurent@vivier.eu>
+Cc: Paolo Bonzini <pbonzini@redhat.com>
+---
+v2: Use SCHED_ATTR_SIZE_VER0 instead of glibc version check
+
+ linux-user/syscall.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/linux-user/syscall.c b/linux-user/syscall.c
+index 1354e75694..caecbb765d 100644
+--- a/linux-user/syscall.c
++++ b/linux-user/syscall.c
+@@ -359,7 +359,8 @@ _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
+ #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
+ _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
+           unsigned long *, user_mask_ptr);
+-/* sched_attr is not defined in glibc */
++/* sched_attr is not defined in glibc < 2.41 */
++#ifndef SCHED_ATTR_SIZE_VER0
+ struct sched_attr {
+     uint32_t size;
+     uint32_t sched_policy;
+@@ -372,6 +373,7 @@ struct sched_attr {
+     uint32_t sched_util_min;
+     uint32_t sched_util_max;
+ };
++#endif
+ #define __NR_sys_sched_getattr __NR_sched_getattr
+ _syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr,
+           unsigned int, size, unsigned int, flags);