Re: [Xen-devel] [PATCH v3 1/5] xen: Add macros MB and GB

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 09/27/2013 06:01 PM, Andrew Cooper wrote:
> On 27/09/13 17:56, Julien Grall wrote:
>> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
>> CC: Keir Fraser <keir@xxxxxxx>
>> CC: Jan Beulich <jbeulich@xxxxxxxx>
>>
>> ---
>>     Changes in v3:
>>         - Add GB
>>         - Move to common code (include/xen/config.h)
>> ---
>>  xen/include/asm-arm/config.h |    1 -
>>  xen/include/xen/config.h     |    3 +++
>>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> You will also need to delete GB() from xen/include/asm-x86/config.h for
> this to compile.

Thanks, I forget to check the compilation on x86.
I only resend this patch:

commit 466457ed4946f7e1ec45f55e6d601a75b84884e5
Author: Julien Grall <julien.grall@xxxxxxxxxx>
Date:   Thu Sep 26 13:26:40 2013 +0100

    xen: Add macros MB and GB
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
    CC: Keir Fraser <keir@xxxxxxx>
    CC: Jan Beulich <jbeulich@xxxxxxxx>
    
    ---
        Changes in v4:
            - Remove GB in asm-x86/config.h
    
        Changes in v3:
            - Add GB
            - Move to common code (include/xen/config.h)

diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
index 9e395c2..5b7b1a8 100644
--- a/xen/include/asm-arm/config.h
+++ b/xen/include/asm-arm/config.h
@@ -142,7 +142,6 @@
 #define SLOT0_ENTRY_BITS  39
 #define SLOT0(slot) (_AT(vaddr_t,slot) << SLOT0_ENTRY_BITS)
 #define SLOT0_ENTRY_SIZE  SLOT0(1)
-#define GB(_gb)     (_AC(_gb, UL) << 30)
 
 #define VMAP_VIRT_START  GB(1)
 #define VMAP_VIRT_END    (VMAP_VIRT_START + GB(1) - 1)
diff --git a/xen/include/asm-x86/config.h b/xen/include/asm-x86/config.h
index cc42a88..3749457 100644
--- a/xen/include/asm-x86/config.h
+++ b/xen/include/asm-x86/config.h
@@ -128,7 +128,6 @@ extern unsigned char boot_edid_info[128];
 #define PML4_ADDR(_slot)                              \
     (((_AC(_slot, UL) >> 8) * _AC(0xffff000000000000,UL)) | \
      (_AC(_slot, UL) << PML4_ENTRY_BITS))
-#define GB(_gb) (_AC(_gb, UL) << 30)
 
 /*
  * Memory layout:
diff --git a/xen/include/xen/config.h b/xen/include/xen/config.h
index a52298e..657c6e5 100644
--- a/xen/include/xen/config.h
+++ b/xen/include/xen/config.h
@@ -69,6 +69,9 @@
 #define __force
 #define __bitwise
 
+#define MB(_mb)     (_AC(_mb, UL) << 20)
+#define GB(_gb)     (_AC(_gb, UL) << 30)
+
 #ifndef __ASSEMBLY__
 
 int current_domain_id(void);

-- 
Julien Grall

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