From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 31 Aug 2006 18:39:09 +0000 (+0100)
Subject: [MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte().
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d34555fb20e7abf33f86d7aa3ec0826343f38256;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[MIPS] Do not lose upper 32-bit on MIPS32 with 64-bit addresses in __pte().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index c3b872b047d7..85b258ee7090 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -77,15 +77,17 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
   #ifdef CONFIG_CPU_MIPS32
     typedef struct { unsigned long pte_low, pte_high; } pte_t;
     #define pte_val(x)    ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
+    #define __pte(x)      ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
   #else
      typedef struct { unsigned long long pte; } pte_t;
      #define pte_val(x)	((x).pte)
+     #define __pte(x)	((pte_t) { (x) } )
   #endif
 #else
 typedef struct { unsigned long pte; } pte_t;
 #define pte_val(x)	((x).pte)
-#endif
 #define __pte(x)	((pte_t) { (x) } )
+#endif
 
 /*
  * For 3-level pagetables we defines these ourselves, for 2-level the