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From cf8c9aac5243f506a1a3e8e284414f311cde04f5 Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair.francis@xilinx.com>
Date: Wed, 17 Jan 2018 10:51:49 -0800
Subject: [PATCH] linux-user: Fix webkitgtk hangs on 32-bit x86 target
Since commit "linux-user: Tidy and enforce reserved_va initialization"
(18e80c55bb6ec17c05ec0ba717ec83933c2bfc07) the Yocto webkitgtk build
hangs when cross compiling for 32-bit x86 on a 64-bit x86 machine using
musl.
To fix the issue reduce the MAX_RESERVED_VA macro to be a closer match
to what it was before the problematic commit.
Upstream-Status: Submitted http://lists.gnu.org/archive/html/qemu-devel/2018-01/msg04185.html
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
---
linux-user/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: qemu-5.2.0/linux-user/main.c
===================================================================
--- qemu-5.2.0.orig/linux-user/main.c
+++ qemu-5.2.0/linux-user/main.c
@@ -92,7 +92,7 @@ static int last_log_mask;
(TARGET_LONG_BITS == 32 || defined(TARGET_ABI32))
/* There are a number of places where we assign reserved_va to a variable
of type abi_ulong and expect it to fit. Avoid the last page. */
-# define MAX_RESERVED_VA(CPU) (0xfffffffful & TARGET_PAGE_MASK)
+# define MAX_RESERVED_VA(CPU) (0x7ffffffful & TARGET_PAGE_MASK)
# else
# define MAX_RESERVED_VA(CPU) (1ul << TARGET_VIRT_ADDR_SPACE_BITS)
# endif
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