lkml.org 
[lkml]   [2009]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: fix build with older binutils and consolidate linker script
>>> "H. Peter Anvin" <hpa@zytor.com> 21.08.09 22:23 >>>
>On 08/18/2009 08:51 AM, Jan Beulich wrote:
>>
>> #define VSYSCALL_ADDR (-10*1024*1024)
>> -#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + \
>> - SIZEOF(.data.read_mostly) + 4095) & ~(4095))
>> -#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + \
>> - SIZEOF(.data.read_mostly) + 4095) & ~(4095))
>> +#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data) + SIZEOF(.data) + \
>> + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
>> +#define VSYSCALL_VIRT_ADDR ((ADDR(.data) + SIZEOF(.data) + \
>> + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
>>
>
>I'm missing something with this chunk... could you please explain?

There are two changes here: One is the adjustment to properly use the
new preceding section's name, and the other is to replace the hard coded
4095 by PAGE_SIZE-1.

Jan



\
 
 \ /
  Last update: 2009-08-24 08:57    [from the cache]
©2003-2011 Jasper Spaans