From: Ian Campbell <ian.campbell@citrix.com>
Date: Wed, 2 Apr 2014 12:03:36 +0000 (+0100)
Subject: Revert "xen/arm: Allocate memory for dom0 from the bottom with the 1:1 Workaround"
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~5296
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1be5c1947fd52f5faaf6b678a829d47b0ec88bfd;p=xen.git

Revert "xen/arm: Allocate memory for dom0 from the bottom with the 1:1 Workaround"

This reverts commit 6c21cb36e263de2db8716b477157a5b6cd531e1e.

The Linux = issue which this works around was fixed in v3.13 via f52bb722547f
"ARM: mm: Correct virt_to_phys patching for 64 bit physical addresses".

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
---

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 502db84690..a0b73d2a4d 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -69,19 +69,12 @@ static void allocate_memory_11(struct domain *d, struct kernel_info *kinfo)
 {
     paddr_t start;
     paddr_t size;
-    struct page_info *pg = NULL;
+    struct page_info *pg;
     unsigned int order = get_order_from_bytes(dom0_mem);
     int res;
     paddr_t spfn;
-    unsigned int bits;
-
-    for ( bits = PAGE_SHIFT + 1; bits < PADDR_BITS; bits++ )
-    {
-        pg = alloc_domheap_pages(d, order, MEMF_bits(bits));
-        if ( pg != NULL )
-            break;
-    }
 
+    pg = alloc_domheap_pages(d, order, 0);
     if ( !pg )
         panic("Failed to allocate contiguous memory for dom0");