From:   Juergen Gross <jgross@suse.com>
To:     xen-devel@lists.xenproject.org, x86@kernel.org,
        linux-kernel@vger.kernel.org
Cc:     peterz@infradead.org, Juergen Gross <jgross@suse.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>, kernel test robot <lkp@intel.com>
Subject: [PATCH 2/2] xen: make HYPERVISOR_set_debugreg() always_inline
Date:   Thu, 25 Nov 2021 10:20:56 +0100
Message-Id: <20211125092056.24758-3-jgross@suse.com>
In-Reply-To: <20211125092056.24758-1-jgross@suse.com>
References: <20211125092056.24758-1-jgross@suse.com>
MIME-Version: 1.0
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Precedence: bulk

HYPERVISOR_set_debugreg() is being called from noinstr code, so it
should be attributed "always_inline".

Fixes: 7361fac0465ba96ec8f ("x86/xen: Make set_debugreg() noinstr")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
---
 arch/x86/include/asm/xen/hypercall.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 28ca1119606b..e5e0fe10c692 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -281,7 +281,7 @@ HYPERVISOR_callback_op(int cmd, void *arg)
 	return _hypercall2(int, callback_op, cmd, arg);
 }
 
-static inline int
+static __always_inline int
 HYPERVISOR_set_debugreg(int reg, unsigned long value)
 {
 	return _hypercall2(int, set_debugreg, reg, value);
-- 
2.26.2