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List: linux-sparse
Subject: [patch 9/9] x86/callthunks: Use EXPORT_PER_CPU_SYMBOL_GPL() for per CPU variables
From: Thomas Gleixner <tglx () linutronix ! de>
Date: 2024-03-04 10:12:29
Message-ID: 20240304005104.841915535 () linutronix ! de
[Download RAW message or body]
sparse complains rightfully about the usage of EXPORT_SYMBOL_GPL() for per
CPU variables:
callthunks.c:346:20: sparse: warning: incorrect type in initializer (different address spaces)
callthunks.c:346:20: sparse: expected void const [noderef] __percpu *__vpp_verify
callthunks.c:346:20: sparse: got unsigned long long *
Use EXPORT_PER_CPU_SYMBOL_GPL instead.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/callthunks.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/callthunks.c
+++ b/arch/x86/kernel/callthunks.c
@@ -44,8 +44,8 @@ DEFINE_PER_CPU(u64, __x86_call_count);
DEFINE_PER_CPU(u64, __x86_ret_count);
DEFINE_PER_CPU(u64, __x86_stuffs_count);
DEFINE_PER_CPU(u64, __x86_ctxsw_count);
-EXPORT_SYMBOL_GPL(__x86_ctxsw_count);
-EXPORT_SYMBOL_GPL(__x86_call_count);
+EXPORT_PER_CPU_SYMBOL_GPL(__x86_ctxsw_count);
+EXPORT_PER_CPU_SYMBOL_GPL(__x86_call_count);
#endif
extern s32 __call_sites[], __call_sites_end[];
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