linux-kernel - [tip: x86/cleanups] x86/usercopy: Include arch_wb_cache

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Message-ID: <168444739233.404.10638167784822197520.tip-bot2@tip-bot2>
Date:   Thu, 18 May 2023 22:03:12 -0000
From:   "tip-bot2 for Arnd Bergmann" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Alexander Lobakin <aleksander.lobakin@...el.com>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/cleanups] x86/usercopy: Include arch_wb_cache_pmem() declaration

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     3b939ba0c21115de99d8e2966eaa2c4e74733d00
Gitweb:        https://git.kernel.org/tip/3b939ba0c21115de99d8e2966eaa2c4e74733d00
Author:        Arnd Bergmann <arnd@...db.de>
AuthorDate:    Tue, 16 May 2023 21:35:46 +02:00
Committer:     Dave Hansen <dave.hansen@...ux.intel.com>
CommitterDate: Thu, 18 May 2023 11:56:18 -07:00

x86/usercopy: Include arch_wb_cache_pmem() declaration

arch_wb_cache_pmem() is declared in a global header but defined by
the architecture. On x86, the implementation needs to include the header
to avoid this warning:

arch/x86/lib/usercopy_64.c:39:6: error: no previous prototype for 'arch_wb_cache_pmem' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
Link: https://lore.kernel.org/all/20230516193549.544673-18-arnd%40kernel.org
---
 arch/x86/lib/usercopy_64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 003d901..e9251b8 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -9,6 +9,7 @@
 #include <linux/export.h>
 #include <linux/uaccess.h>
 #include <linux/highmem.h>
+#include <linux/libnvdimm.h>
 
 /*
  * Zero Userspace