linux-kernel - [tip: x86/cleanups] x86/callthunks: Use EXPORT_PER_CPU_SYMBOL

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Message-ID: <170955450241.398.13909761798230298332.tip-bot2@tip-bot2>
Date: Mon, 04 Mar 2024 12:15:02 -0000
From: "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/cleanups] x86/callthunks: Use EXPORT_PER_CPU_SYMBOL_GPL()
 for per CPU variables

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     cad860b59531ba4d456b3921d5ced621620d76fc
Gitweb:        https://git.kernel.org/tip/cad860b59531ba4d456b3921d5ced621620d76fc
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Mon, 04 Mar 2024 11:12:29 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Mon, 04 Mar 2024 12:09:13 +01:00

x86/callthunks: Use EXPORT_PER_CPU_SYMBOL_GPL() for per CPU variables

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@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20240304005104.841915535@linutronix.de
---
 arch/x86/kernel/callthunks.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/callthunks.c b/arch/x86/kernel/callthunks.c
index 64ad2dd..aeccea2 100644
--- a/arch/x86/kernel/callthunks.c
+++ b/arch/x86/kernel/callthunks.c
@@ -42,8 +42,8 @@ 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[];