[POC][PATCH 43/83] arm64 vdso: get rid of pointless casts

[Al Viro]

From: Al Viro 

... with two added to cope with flush_icache_range() calling
conventions

Signed-off-by: Al Viro 
---
 arch/arm64/kernel/vdso.c | 11 +--
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 07e4d14..f49e158 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -62,22 +62,21 @@ static int alloc_vectors_page(void)
 
int kuser_sz = __kuser_helper_end - __kuser_helper_start;
int sigret_sz = __aarch32_sigret_code_end - __aarch32_sigret_code_start;
-   unsigned long vpage;
-
-   vpage = (unsigned long)get_zeroed_page(GFP_ATOMIC);
+   void *vpage = get_zeroed_page(GFP_ATOMIC);
 
if (!vpage)
return -ENOMEM;
 
/* kuser helpers */
-   memcpy((void *)vpage + 0x1000 - kuser_sz, __kuser_helper_start,
+   memcpy(vpage + 0x1000 - kuser_sz, __kuser_helper_start,
kuser_sz);
 
/* sigreturn code */
-   memcpy((void *)vpage + AARCH32_KERN_SIGRET_CODE_OFFSET,
+   memcpy(vpage + AARCH32_KERN_SIGRET_CODE_OFFSET,
__aarch32_sigret_code_start, sigret_sz);
 
-   flush_icache_range(vpage, vpage + PAGE_SIZE);
+   flush_icache_range((unsigned long)vpage,
+  (unsigned long)vpage + PAGE_SIZE);
vectors_page[0] = virt_to_page(vpage);
 
return 0;
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[POC][PATCH 43/83] arm64 vdso: get rid of pointless casts

[Al Viro]

From: Al Viro 

... with two added to cope with flush_icache_range() calling
conventions

Signed-off-by: Al Viro 
---
 arch/arm64/kernel/vdso.c | 11 +--
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 07e4d14..f49e158 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -62,22 +62,21 @@ static int alloc_vectors_page(void)
 
int kuser_sz = __kuser_helper_end - __kuser_helper_start;
int sigret_sz = __aarch32_sigret_code_end - __aarch32_sigret_code_start;
-   unsigned long vpage;
-
-   vpage = (unsigned long)get_zeroed_page(GFP_ATOMIC);
+   void *vpage = get_zeroed_page(GFP_ATOMIC);
 
if (!vpage)
return -ENOMEM;
 
/* kuser helpers */
-   memcpy((void *)vpage + 0x1000 - kuser_sz, __kuser_helper_start,
+   memcpy(vpage + 0x1000 - kuser_sz, __kuser_helper_start,
kuser_sz);
 
/* sigreturn code */
-   memcpy((void *)vpage + AARCH32_KERN_SIGRET_CODE_OFFSET,
+   memcpy(vpage + AARCH32_KERN_SIGRET_CODE_OFFSET,
__aarch32_sigret_code_start, sigret_sz);
 
-   flush_icache_range(vpage, vpage + PAGE_SIZE);
+   flush_icache_range((unsigned long)vpage,
+  (unsigned long)vpage + PAGE_SIZE);
vectors_page[0] = virt_to_page(vpage);
 
return 0;
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/