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Message-ID: <169107835581.28540.12068505666604846343.tip-bot2@tip-bot2>
Date: Thu, 03 Aug 2023 15:59:15 -0000
From: "tip-bot2 for Arnd Bergmann" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
"Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: x86/cleanups] x86/apic: Hide unused safe_smp_processor_id() on
32-bit UP
The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: ac1c6283c45a77431af33fbae435f1a29f23a9f4
Gitweb: https://git.kernel.org/tip/ac1c6283c45a77431af33fbae435f1a29f23a9f4
Author: Arnd Bergmann <arnd@...db.de>
AuthorDate: Tue, 25 Jul 2023 15:48:33 +02:00
Committer: Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Mon, 31 Jul 2023 11:32:25 +02:00
x86/apic: Hide unused safe_smp_processor_id() on 32-bit UP
When CONFIG_SMP is disabled in a 32-bit config, the prototype for
safe_smp_processor_id() is hidden, which causes a W=1 warning:
arch/x86/kernel/apic/ipi.c:316:5: error: no previous prototype for 'safe_smp_processor_id' [-Werror=missing-prototypes]
Since there are no callers in this configuration, just hide the definition
as well.
[ bp: Clarify it is a 32-bit config. ]
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20230725134837.1534228-2-arnd@kernel.org
---
arch/x86/kernel/apic/ipi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index 2a6509e..9bfd6e3 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -301,6 +301,7 @@ void default_send_IPI_mask_logical(const struct cpumask *cpumask, int vector)
local_irq_restore(flags);
}
+#ifdef CONFIG_SMP
/* must come after the send_IPI functions above for inlining */
static int convert_apicid_to_cpu(int apic_id)
{
@@ -329,3 +330,4 @@ int safe_smp_processor_id(void)
return cpuid >= 0 ? cpuid : 0;
}
#endif
+#endif
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