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From: Qian Cai <cai@lca.pw>
To: akpm@linux-foundation.org
Cc: James.Bottomley@HansenPartnership.com, deller@gmx.de,
	linux@roeck-us.net, kirill.shutemov@linux.intel.com,
	linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Qian Cai <cai@lca.pw>
Subject: [PATCH] parisc: fix compilation errrors
Date: Thu, 15 Aug 2019 16:53:05 -0400
Message-ID: <20190815205305.1382-1-cai@lca.pw> (raw)

The commit 0cfaee2af3a0 ("include/asm-generic/5level-fixup.h: fix
variable 'p4d' set but not used") converted a few functions from macros
to static inline, which causes parisc to complain,

In file included from ./include/asm-generic/4level-fixup.h:38:0,
                 from ./arch/parisc/include/asm/pgtable.h:5,
                 from ./arch/parisc/include/asm/io.h:6,
                 from ./include/linux/io.h:13,
                 from sound/core/memory.c:9:
./include/asm-generic/5level-fixup.h:14:18: error: unknown type name
'pgd_t'; did you mean 'pid_t'?
 #define p4d_t    pgd_t
                  ^
./include/asm-generic/5level-fixup.h:24:28: note: in expansion of macro
'p4d_t'
 static inline int p4d_none(p4d_t p4d)
                            ^~~~~

It is because "4level-fixup.h" is included before "asm/page.h" where
"pgd_t" is defined.

Fixes: 0cfaee2af3a0 ("include/asm-generic/5level-fixup.h: fix variable 'p4d' set but not used")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Qian Cai <cai@lca.pw>
---
 arch/parisc/include/asm/pgtable.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index a39b079e73f2..6d58c1739b42 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -2,6 +2,7 @@
 #ifndef _PARISC_PGTABLE_H
 #define _PARISC_PGTABLE_H
 
+#include <asm/page.h>
 #include <asm-generic/4level-fixup.h>
 
 #include <asm/fixmap.h>
@@ -98,8 +99,6 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
 
 #endif /* !__ASSEMBLY__ */
 
-#include <asm/page.h>
-
 #define pte_ERROR(e) \
 	printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
 #define pmd_ERROR(e) \
-- 
2.20.1 (Apple Git-117)


             reply index

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15 20:53 Qian Cai [this message]
2019-08-15 21:02 ` Guenter Roeck

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