From 08b6d290f977d8145804fd2b9bc2c331f2484f8e Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Wed, 30 Jan 2008 13:33:25 +0100 Subject: [PATCH] xen: fix section usage in xen-head.S and setup.c MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit additional section for .init.text appending a number. A side effect of this was a section mismatch warning because modpost did not recognize a .init.text section named .init.text.1: WARNING: vmlinux.o(.text.head+0x247): Section mismatch: reference to .init.text.1:start_kernel (between 'is386' and 'check_x87') Fix this by hardcoding the "ax" in the pushsection. Thanks to Torlaf for reporting this. Alan Modra provided the hint that made me able to locate the root cause of this warning. And Mike Frysinger told me how to properly fix it using __INIT/__FINIT. Fix following Section mismatch warning in addition: WARNING: vmlinux.o(.text+0x14c8): Section mismatch: reference to .init.data:vsyscall_int80_start (between 'fiddle_vdso' and 'xen_setup_features') fiddle_vdso was only used from a __init function - so declare it __init. Signed-off-by: Sam Ravnborg Cc: Jeremy Fitzhardinge Cc: Chris Wright Cc: WANG Cong Cc: Toralf Förster Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/xen/setup.c | 2 +- arch/x86/xen/xen-head.S | 6 ++++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 7d6d0ef55890..3bad4773a2f3 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -60,7 +60,7 @@ static void xen_idle(void) /* * Set the bit indicating "nosegneg" library variants should be used. */ -static void fiddle_vdso(void) +static void __init fiddle_vdso(void) { extern const char vdso32_default_start; u32 *mask = VDSO32_SYMBOL(&vdso32_default_start, NOTE_MASK); diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index f8d6937db2ec..288d587ce73c 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -4,16 +4,18 @@ #ifdef CONFIG_XEN #include +#include #include #include -.pushsection .init.text + __INIT ENTRY(startup_xen) movl %esi,xen_start_info cld movl $(init_thread_union+THREAD_SIZE),%esp jmp xen_start_kernel -.popsection + + __FINIT .pushsection .bss.page_aligned .align PAGE_SIZE_asm -- 2.20.1