linux-kernel - [tip:x86/urgent] x86/apic/32: Fix yet another implicit fallthrough warning

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Message-ID: <tip-5785675dfef4f9edcee66edef7b3af21618d2707@git.kernel.org>
Date:   Mon, 12 Aug 2019 11:40:04 -0700
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...e.de, hpa@...or.com, tglx@...utronix.de, mingo@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip:x86/urgent] x86/apic/32: Fix yet another implicit fallthrough
 warning

Commit-ID:  5785675dfef4f9edcee66edef7b3af21618d2707
Gitweb:     https://git.kernel.org/tip/5785675dfef4f9edcee66edef7b3af21618d2707
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Sun, 11 Aug 2019 17:40:36 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 12 Aug 2019 20:35:04 +0200

x86/apic/32: Fix yet another implicit fallthrough warning

Fix

  arch/x86/kernel/apic/probe_32.c: In function ‘default_setup_apic_routing’:
  arch/x86/kernel/apic/probe_32.c:146:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
      if (!APIC_XAPIC(version)) {
         ^
  arch/x86/kernel/apic/probe_32.c:151:3: note: here
   case X86_VENDOR_HYGON:
   ^~~~

for 32-bit builds.

Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/20190811154036.29805-1-bp@alien8.de

---
 arch/x86/kernel/apic/probe_32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 1492799b8f43..ee2d91e382f1 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -184,7 +184,8 @@ void __init default_setup_apic_routing(void)
 				def_to_bigsmp = 0;
 				break;
 			}
-			/* If P4 and above fall through */
+			/* P4 and above */
+			/* fall through */
 		case X86_VENDOR_HYGON:
 		case X86_VENDOR_AMD:
 			def_to_bigsmp = 1;