Re: [PATCH v2 3/3] x86/hash: cleanup

2014-02-27 Thread Daniel Borkmann

On 02/27/2014 09:47 AM, Jan Beulich wrote:

- simplify switch statement
- add __init annotation to setup_arch_fast_hash()

Signed-off-by: Jan Beulich 
Cc: Francesco Fusco 
Cc: Daniel Borkmann 
Cc: Thomas Graf 
Cc: David S. Miller 


Acked-by: Daniel Borkmann 
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[PATCH v2 3/3] x86/hash: cleanup

2014-02-27 Thread Jan Beulich
- simplify switch statement
- add __init annotation to setup_arch_fast_hash()

Signed-off-by: Jan Beulich 
Cc: Francesco Fusco 
Cc: Daniel Borkmann 
Cc: Thomas Graf 
Cc: David S. Miller 
---
 arch/x86/lib/hash.c |   12 ++--
 1 file changed, 6 insertions(+), 6 deletions(-)

--- 3.14-rc4-x86-hash-crc32.orig/arch/x86/lib/hash.c
+++ 3.14-rc4-x86-hash-crc32/arch/x86/lib/hash.c
@@ -32,6 +32,7 @@
  */
 
 #include 
+#include 
 
 #include 
 #include 
@@ -55,17 +56,16 @@ static u32 intel_crc4_2_hash(const void 
for (i = 0; i < len / 4; i++)
seed = crc32_u32(seed, *p32++);
 
-   switch (3 - (len & 0x03)) {
-   case 0:
+   switch (len & 3) {
+   case 3:
tmp |= *((const u8 *) p32 + 2) << 16;
/* fallthrough */
-   case 1:
+   case 2:
tmp |= *((const u8 *) p32 + 1) << 8;
/* fallthrough */
-   case 2:
+   case 1:
tmp |= *((const u8 *) p32);
seed = crc32_u32(seed, tmp);
-   default:
break;
}
 
@@ -83,7 +83,7 @@ static u32 intel_crc4_2_hash2(const u32 
return seed;
 }
 
-void setup_arch_fast_hash(struct fast_hash_ops *ops)
+void __init setup_arch_fast_hash(struct fast_hash_ops *ops)
 {
if (cpu_has_xmm4_2) {
ops->hash  = intel_crc4_2_hash;



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[PATCH v2 3/3] x86/hash: cleanup

2014-02-27 Thread Jan Beulich
- simplify switch statement
- add __init annotation to setup_arch_fast_hash()

Signed-off-by: Jan Beulich jbeul...@suse.com
Cc: Francesco Fusco ffu...@redhat.com
Cc: Daniel Borkmann dbork...@redhat.com
Cc: Thomas Graf tg...@redhat.com
Cc: David S. Miller da...@davemloft.net
---
 arch/x86/lib/hash.c |   12 ++--
 1 file changed, 6 insertions(+), 6 deletions(-)

--- 3.14-rc4-x86-hash-crc32.orig/arch/x86/lib/hash.c
+++ 3.14-rc4-x86-hash-crc32/arch/x86/lib/hash.c
@@ -32,6 +32,7 @@
  */
 
 #include linux/hash.h
+#include linux/init.h
 
 #include asm/processor.h
 #include asm/cpufeature.h
@@ -55,17 +56,16 @@ static u32 intel_crc4_2_hash(const void 
for (i = 0; i  len / 4; i++)
seed = crc32_u32(seed, *p32++);
 
-   switch (3 - (len  0x03)) {
-   case 0:
+   switch (len  3) {
+   case 3:
tmp |= *((const u8 *) p32 + 2)  16;
/* fallthrough */
-   case 1:
+   case 2:
tmp |= *((const u8 *) p32 + 1)  8;
/* fallthrough */
-   case 2:
+   case 1:
tmp |= *((const u8 *) p32);
seed = crc32_u32(seed, tmp);
-   default:
break;
}
 
@@ -83,7 +83,7 @@ static u32 intel_crc4_2_hash2(const u32 
return seed;
 }
 
-void setup_arch_fast_hash(struct fast_hash_ops *ops)
+void __init setup_arch_fast_hash(struct fast_hash_ops *ops)
 {
if (cpu_has_xmm4_2) {
ops-hash  = intel_crc4_2_hash;



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Re: [PATCH v2 3/3] x86/hash: cleanup

2014-02-27 Thread Daniel Borkmann

On 02/27/2014 09:47 AM, Jan Beulich wrote:

- simplify switch statement
- add __init annotation to setup_arch_fast_hash()

Signed-off-by: Jan Beulich jbeul...@suse.com
Cc: Francesco Fusco ffu...@redhat.com
Cc: Daniel Borkmann dbork...@redhat.com
Cc: Thomas Graf tg...@redhat.com
Cc: David S. Miller da...@davemloft.net


Acked-by: Daniel Borkmann dbork...@redhat.com
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