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[Qemu-devel] [PATCH v1 1/1] linux-user: Fix webkitgtk hangs on 32-bit x8

From: Alistair Francis
Subject: [Qemu-devel] [PATCH v1 1/1] linux-user: Fix webkitgtk hangs on 32-bit x86 target
Date: Wed, 17 Jan 2018 12:39:50 -0800

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

To fix the issue reduce the MAX_RESERVED_VA macro to be a closer match
to what it was before the problematic commit.

Signed-off-by: Alistair Francis <address@hidden>

 linux-user/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/main.c b/linux-user/main.c
index 450eb3ce65..c7cc0a184e 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -77,7 +77,7 @@ do {                                                          
       (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  (0xfffffffful & TARGET_PAGE_MASK)
+#   define MAX_RESERVED_VA  (0x7ffffffful & TARGET_PAGE_MASK)
 #  else
 #  endif

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