direct-io.hg

changeset 11372:a8c7ece9cccb

[XEN][POWERPC] Explain the RMA values a little more

Since I did not understand them myself.

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Jimi Xenidis <jimix@watson.ibm.com>
date Tue Aug 22 11:17:09 2006 -0400 (2006-08-22)
parents 05b2b8b61cca
children 980ff1125446
files xen/arch/powerpc/powerpc64/ppc970.c
line diff
     1.1 --- a/xen/arch/powerpc/powerpc64/ppc970.c	Tue Aug 22 11:16:01 2006 -0400
     1.2 +++ b/xen/arch/powerpc/powerpc64/ppc970.c	Tue Aug 22 11:17:09 2006 -0400
     1.3 @@ -13,9 +13,10 @@
     1.4   * along with this program; if not, write to the Free Software
     1.5   * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
     1.6   *
     1.7 - * Copyright (C) IBM Corp. 2005
     1.8 + * Copyright (C) IBM Corp. 2005, 2006
     1.9   *
    1.10   * Authors: Hollis Blanchard <hollisb@us.ibm.com>
    1.11 + *          Jimi Xenidis <jimix@watson.ibm.com>
    1.12   */
    1.13  
    1.14  #include <xen/config.h>
    1.15 @@ -36,7 +37,7 @@ extern volatile struct processor_area * 
    1.16  unsigned int cpu_rma_order(void)
    1.17  {
    1.18      /* XXX what about non-HV mode? */
    1.19 -    uint rma_log_size = 6 + 20; /* 64M */
    1.20 +    uint rma_log_size = 6 + 20; /* (1 << 6) == 64 */
    1.21      return rma_log_size - PAGE_SHIFT;
    1.22  }
    1.23