Re: [patch] Re: Kernels > 2.6.1-mm3 do not boot. - SOLVED

[Andi Kleen]

> I've moved the enabling of -funit-at-a-time out of Makefile and down into
> arch/i386/Makefile, and I changed to require gcc-3.4 or higher.
> 
> So if you want to use -funit-at-a-time on gcc-3.3/hammer you can do so.

Please undo that and apply this patch instead. It fixes the bug that
broke booting with older gcc 3.3-hammer compilers (confirmed by
two people on l-k). It was plain luck that it worked with the other
compilers. 

-Andi


diff -u linux-2.6.2rc1mm3-test/arch/i386/kernel/process.c-o linux-2.6.2rc1mm3-test/arch/i386/kernel/process.c
--- linux-2.6.2rc1mm3-test/arch/i386/kernel/process.c-o	2004-01-27 02:26:39.000000000 +0100
+++ linux-2.6.2rc1mm3-test/arch/i386/kernel/process.c	2004-01-27 19:09:41.131460832 +0100
@@ -253,13 +253,15 @@
  * the "args".
  */
 extern void kernel_thread_helper(void);
-__asm__(".align 4\n"
+__asm__(".section .text\n"
+	".align 4\n"
 	"kernel_thread_helper:\n\t"
 	"movl %edx,%eax\n\t"
 	"pushl %edx\n\t"
 	"call *%ebx\n\t"
 	"pushl %eax\n\t"
-	"call do_exit");
+	"call do_exit\n"
+	".previous");
 
 /*
  * Create a kernel thread
-
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