[tip:,x86/cleanups] x86/cpu: Use EXPORT_PER_CPU_SYMBOL_GPL() for x86_spec_ctrl_current
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Subject: [tip: x86/cleanups] x86/cpu: Use EXPORT_PER_CPU_SYMBOL_GPL() for
x86_spec_ctrl_current
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
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[tip:,x86/cleanups] x86/cpu: Use EXPORT_PER_CPU_SYMBOL_GPL() for x86_spec_ctrl_current
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Commit Message
tip-bot2 for Thomas Gleixner
March 4, 2024, 12:15 p.m. UTC
The following commit has been merged into the x86/cleanups branch of tip: Commit-ID: ca3ec9e5540428afa3d372fb39f0d88c4f44af8b Gitweb: https://git.kernel.org/tip/ca3ec9e5540428afa3d372fb39f0d88c4f44af8b Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Mon, 04 Mar 2024 11:12:26 +01:00 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Mon, 04 Mar 2024 12:09:13 +01:00 x86/cpu: Use EXPORT_PER_CPU_SYMBOL_GPL() for x86_spec_ctrl_current Sparse rightfully complains: bugs.c:71:9: sparse: warning: incorrect type in initializer (different address spaces) bugs.c:71:9: sparse: expected void const [noderef] __percpu *__vpp_verify bugs.c:71:9: sparse: got unsigned long long * The reason is that x86_spec_ctrl_current which is a per CPU variable is exported with EXPORT_SYMBOL_GPL(). Use EXPORT_PER_CPU_SYMBOL_GPL() instead. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20240304005104.732288812@linutronix.de --- arch/x86/kernel/cpu/bugs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 48d049c..0767ab6 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -56,7 +56,7 @@ EXPORT_SYMBOL_GPL(x86_spec_ctrl_base); /* The current value of the SPEC_CTRL MSR with task-specific bits set */ DEFINE_PER_CPU(u64, x86_spec_ctrl_current); -EXPORT_SYMBOL_GPL(x86_spec_ctrl_current); +EXPORT_PER_CPU_SYMBOL_GPL(x86_spec_ctrl_current); u64 x86_pred_cmd __ro_after_init = PRED_CMD_IBPB; EXPORT_SYMBOL_GPL(x86_pred_cmd);