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From 2701d65271686dff0cb39ab7da1e821f5dede61e Mon Sep 17 00:00:00 2001
From: Leonid Lazarev <leonid.lazarev@mera.com>
Date: Tue, 21 Apr 2020 17:28:16 +0300
Subject: [PATCH] XEN on RPi4 1GB lmitation workaround: XEN tries to allocated
the memopry for dom0 within first 4GB, but for some reason raspberry pi only
allows to load kernel from 1st GB. Push XEN to allocate first bank for dom0
from 1st GB
---
xen/arch/arm/domain_build.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index dd9c3b73ba..8501a8c8aa 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -281,7 +281,7 @@ static void __init allocate_memory_11(struct domain *d,
*/
while ( order >= min_low_order )
{
- for ( bits = order ; bits <= (lowmem ? 32 : PADDR_BITS); bits++ )
+ for ( bits = order ; bits <= (lowmem ? 30 : PADDR_BITS); bits++ )
{
pg = alloc_domheap_pages(d, order, MEMF_bits(bits));
if ( pg != NULL )
--
2.17.1
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