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qemu: Do not define sched_attr with glibc >= 2.41

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(From OE-Core rev: e8c2bf4cc1ee2bb219c9504a5800bb4b912c1b48)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2024-10-11 12:43:15 -07:00
committed by Richard Purdie
parent cf4b9cfd42
commit df3b98c4b7
2 changed files with 48 additions and 0 deletions
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meta/recipes-devtools/qemu/qemu.inc
+1
View File
@@ -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 \
"
meta/recipes-devtools/qemu/qemu/0001-sched_attr-Do-not-define-for-glibc-2.41.patch
+47
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@@ -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);