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Groups > linux.kernel > #1537344

[PATCHv5 04/11] arm64: Add cast for virt_to_pfn

From Laura Abbott <labbott@redhat.com>
Newsgroups linux.kernel
Subject [PATCHv5 04/11] arm64: Add cast for virt_to_pfn
Date 2016-12-07 01:00 +0100
Message-ID <sLxOp-j2-19@gated-at.bofh.it> (permalink)
References <sLxOp-j2-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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virt_to_pfn lacks a cast at the top level. Don't rely on __virt_to_phys
and explicitly cast to unsigned long.

Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
---
v5: No changes
---
 arch/arm64/include/asm/memory.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index b4d2b32..d773e2c 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -204,7 +204,7 @@ static inline void *phys_to_virt(phys_addr_t x)
 #define __pa(x)			__virt_to_phys((unsigned long)(x))
 #define __va(x)			((void *)__phys_to_virt((phys_addr_t)(x)))
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
-#define virt_to_pfn(x)      __phys_to_pfn(__virt_to_phys(x))
+#define virt_to_pfn(x)      __phys_to_pfn(__virt_to_phys((unsigned long)(x)))
 
 /*
  *  virt_to_page(k)	convert a _valid_ virtual address to struct page *
-- 
2.7.4

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Thread

[PATCHv5 00/11] CONFIG_DEBUG_VIRTUAL for arm64 Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 07/11] drivers: firmware: psci: Use __pa_symbol for kernel symbol Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 11/11] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 05/11] mm: Introduce lm_alias Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 04/11] arm64: Add cast for virt_to_pfn Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 06/11] arm64: Use __pa_symbol for kernel symbols Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCHv5 09/11] mm/kasan: Switch to using __pa_symbol and lm_alias Laura Abbott <labbott@redhat.com> - 2016-12-07 01:00 +0100
  [PATCH v2 3/4] ARM: Add support for CONFIG_DEBUG_VIRTUAL Florian Fainelli <f.fainelli@gmail.com> - 2016-12-08 20:10 +0100
  [PATCH v2 0/4] ARM: Add support for CONFIG_DEBUG_VIRTUAL Florian Fainelli <f.fainelli@gmail.com> - 2016-12-08 20:10 +0100
    [PATCH v2 1/4] mtd: lart: Rename partition defines to be prefixed with PART_ Florian Fainelli <f.fainelli@gmail.com> - 2016-12-08 20:10 +0100
    [PATCH v2 2/4] ARM: Define KERNEL_START and KERNEL_END Florian Fainelli <f.fainelli@gmail.com> - 2016-12-08 20:10 +0100
    [PATCH v3 2/4] ARM: Define KERNEL_START and KERNEL_END Florian Fainelli <f.fainelli@gmail.com> - 2016-12-10 00:40 +0100
    [PATCH v3 1/4] mtd: lart: Rename partition defines to be prefixed with PART_ Florian Fainelli <f.fainelli@gmail.com> - 2016-12-10 00:40 +0100
    [PATCH v3 3/4] ARM: Add support for CONFIG_DEBUG_VIRTUAL Florian Fainelli <f.fainelli@gmail.com> - 2016-12-10 00:40 +0100
    [PATCH v3 0/4] ARM: Add support for CONFIG_DEBUG_VIRTUAL Florian Fainelli <f.fainelli@gmail.com> - 2016-12-10 00:40 +0100

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