[Stable-9.1.2 64/72] linux-user/arm: Reduce vdso alignment to 4k

Michael Tokarev posted 72 patches 4 days, 12 hours ago
Only 15 patches received!
[Stable-9.1.2 64/72] linux-user/arm: Reduce vdso alignment to 4k
Posted by Michael Tokarev 4 days, 12 hours ago
From: Richard Henderson <richard.henderson@linaro.org>

Reduce vdso alignment to minimum page size.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit f7150b2151398c9274686d06c2c1e24618aa4cd6)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/linux-user/arm/Makefile.vdso b/linux-user/arm/Makefile.vdso
index 2d098a5748..8a24b0e534 100644
--- a/linux-user/arm/Makefile.vdso
+++ b/linux-user/arm/Makefile.vdso
@@ -6,7 +6,7 @@ VPATH += $(SUBDIR)
 all: $(SUBDIR)/vdso-be.so $(SUBDIR)/vdso-le.so
 
 # Adding -use-blx disables unneeded interworking without actually using blx.
-LDFLAGS = -nostdlib -shared -Wl,-use-blx \
+LDFLAGS = -nostdlib -shared -Wl,-use-blx -Wl,-z,max-page-size=4096 \
 	  -Wl,-h,linux-vdso.so.1 -Wl,--build-id=sha1 \
 	  -Wl,--hash-style=both -Wl,-T,$(SUBDIR)/vdso.ld
 
diff --git a/linux-user/arm/vdso-be.so b/linux-user/arm/vdso-be.so
index 69cafbb956..bed02804a4 100755
Binary files a/linux-user/arm/vdso-be.so and b/linux-user/arm/vdso-be.so differ
diff --git a/linux-user/arm/vdso-le.so b/linux-user/arm/vdso-le.so
index ad05a12518..38d3d51047 100755
Binary files a/linux-user/arm/vdso-le.so and b/linux-user/arm/vdso-le.so differ
-- 
2.39.5