From e61a78981364925a43c9cc24dc77b62ff7b93c9f Mon Sep 17 00:00:00 2001 From: Wei Chen Date: Fri, 4 Nov 2022 18:07:32 +0800 Subject: [PATCH] xen/arm: add iounmap after initrd has been loaded in domain_build domain_build use ioremap_wc to map a new non-cacheable virtual address for initrd. After Xen copy initrd from this address to guest, this new allocated virtual address has not been unmapped. So in this patch, we add an iounmap to the end of domain_build, after Xen loaded initrd to guest memory. Signed-off-by: Wei Chen Release-acked-by: Henry Wang Acked-by: Julien Grall --- xen/arch/arm/domain_build.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 4fb5c20b13..bd30d3798c 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -3418,6 +3418,8 @@ static void __init initrd_load(struct kernel_info *kinfo) initrd, len); if ( res != 0 ) panic("Unable to copy the initrd in the hwdom memory\n"); + + iounmap(initrd); } /* -- 2.39.5