linux-kernel - [PATCH] arch/x86/entry_fred: don't set up KVM IRQs if KVM is disabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Thu, 15 Feb 2024 14:36:31 +0100
From: Max Kellermann <max.kellermann@...os.com>
To: hpa@...or.com,
	x86@...nel.org,
	linux-kernel@...r.kernel.org
Cc: Max Kellermann <max.kellermann@...os.com>
Subject: [PATCH] arch/x86/entry_fred: don't set up KVM IRQs if KVM is disabled

When KVM is disabled, the POSTED_INTR_* macros do not exist, and the
build fails.

Fixes: 14619d912b65 ("x86/fred: FRED entry/exit and dispatch code")
Signed-off-by: Max Kellermann <max.kellermann@...os.com>
---
 arch/x86/entry/entry_fred.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/entry/entry_fred.c b/arch/x86/entry/entry_fred.c
index ac120cbdaaf2..660b7f7f9a79 100644
--- a/arch/x86/entry/entry_fred.c
+++ b/arch/x86/entry/entry_fred.c
@@ -114,9 +114,11 @@ static idtentry_t sysvec_table[NR_SYSTEM_VECTORS] __ro_after_init = {
 
 	SYSVEC(IRQ_WORK_VECTOR,			irq_work),
 
+#if IS_ENABLED(CONFIG_KVM)
 	SYSVEC(POSTED_INTR_VECTOR,		kvm_posted_intr_ipi),
 	SYSVEC(POSTED_INTR_WAKEUP_VECTOR,	kvm_posted_intr_wakeup_ipi),
 	SYSVEC(POSTED_INTR_NESTED_VECTOR,	kvm_posted_intr_nested_ipi),
+#endif
 };
 
 static bool fred_setup_done __initdata;
-- 
2.39.2