[RFC PATCH -next V2 1/7] x86: fix copy_mc_to_user compile error

From: Tong Tiangen <tongtiangen@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>, <x86@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	Tong Tiangen <tongtiangen@huawei.com>
Subject: [RFC PATCH -next V2 1/7] x86: fix copy_mc_to_user compile error
Date: Wed, 6 Apr 2022 09:13:05 +0000	[thread overview]
Message-ID: <20220406091311.3354723-2-tongtiangen@huawei.com> (raw)
In-Reply-To: <20220406091311.3354723-1-tongtiangen@huawei.com>

The follow patch will add copy_mc_to_user to include/linux/uaccess.h, X86
must declare Implemented to avoid compile error.

Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
---
 arch/x86/include/asm/uaccess.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index f78e2b3501a1..e18c5f098025 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -415,6 +415,7 @@ copy_mc_to_kernel(void *to, const void *from, unsigned len);
 
 unsigned long __must_check
 copy_mc_to_user(void *to, const void *from, unsigned len);
+#define copy_mc_to_user copy_mc_to_user
 #endif
 
 /*
-- 
2.18.0.huawei.25

