From 4869349d574bef2b9758eae4e2b555d6e1fd0960 Mon Sep 17 00:00:00 2001
From: Martin Stein <martin.stein@genode-labs.com>
Date: Thu, 19 May 2022 09:32:05 +0200
Subject: [PATCH] lx_emul & x86: no unnecessary memset of zero page

Ref #4397
---
 repos/dde_linux/src/lib/lx_emul/spec/x86/start.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c b/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
index 01b29c2a95..1a854ebd57 100644
--- a/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
+++ b/repos/dde_linux/src/lib/lx_emul/spec/x86/start.c
@@ -32,11 +32,11 @@ void time_init(void)
 
 #include <asm/pgtable.h>
 
+/*
+ * Note that empty_zero_page lands in the BSS section and is therefore
+ * automatically zeroed at program startup.
+ */
 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
 __attribute__((aligned(PAGE_SIZE)));
 
-void lx_emul_setup_arch(void *dtb)
-{
-	/* fill zero page */
-	memset(empty_zero_page, 0, PAGE_SIZE);
-}
+void lx_emul_setup_arch(void *dtb) { }