bitkeeper revision 1.1691.1.12 (42a72cff38eaDHEmZxzsbqSZgxARAA)

.del-bugs.h~d4d01078e5137b63:
  Delete: linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/bugs.h

2 files changed, 0 insertions, 215 deletions

diff --git a/.rootkeys b/.rootkeys
index 5188610814..5b9022a6a8 100644
--- a/.rootkeys
+++ b/.rootkeys
@@ -344,7 +344,6 @@
 41ee5e8ck9scpGirfqEZRARbGDyTXA linux-2.6.11-xen-sparse/drivers/xen/usbfront/xhci.h
 412f47e4RKD-R5IS5gEXvcT8L4v8gA linux-2.6.11-xen-sparse/include/asm-generic/pgtable.h
 42400318xlBIV46qyxLTaDepPLNyhg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/agp.h
-42a7252dZgup3r7qUeJGriyN5o9rUg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/bugs.h
 40f56239YAjS52QG2FIAQpHDZAdGHg linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/desc.h
 4107adf1E5O4ztGHNGMzCCNhcvqNow linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/dma-mapping.h
 40f5623akIoBsQ3KxSB2kufkbgONXQ linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/fixmap.h
diff --git a/linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/bugs.h b/linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/bugs.h
deleted file mode 100644
index dde78e3616..0000000000
--- a/linux-2.6.11-xen-sparse/include/asm-xen/asm-i386/bugs.h
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- *  include/asm-i386/bugs.h
- *
- *  Copyright (C) 1994  Linus Torvalds
- *
- *  Cyrix stuff, June 1998 by:
- *	- Rafael R. Reilova (moved everything from head.S),
- *        <rreilova@ececs.uc.edu>
- *	- Channing Corn (tests & fixes),
- *	- Andrew D. Balsa (code cleanup).
- *
- *  Pentium III FXSR, SSE support
- *	Gareth Hughes <gareth@valinux.com>, May 2000
- */
-
-/*
- * This is included by init/main.c to check for architecture-dependent bugs.
- *
- * Needs:
- *	void check_bugs(void);
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <asm/processor.h>
-#include <asm/i387.h>
-#include <asm/msr.h>
-
-static int __init no_halt(char *s)
-{
-	boot_cpu_data.hlt_works_ok = 0;
-	return 1;
-}
-
-__setup("no-hlt", no_halt);
-
-static int __init mca_pentium(char *s)
-{
-	mca_pentium_flag = 1;
-	return 1;
-}
-
-__setup("mca-pentium", mca_pentium);
-
-static int __init no_387(char *s)
-{
-	boot_cpu_data.hard_math = 0;
-	write_cr0(0xE | read_cr0());
-	return 1;
-}
-
-__setup("no387", no_387);
-
-static double __initdata x = 4195835.0;
-static double __initdata y = 3145727.0;
-
-/*
- * This used to check for exceptions.. 
- * However, it turns out that to support that,
- * the XMM trap handlers basically had to
- * be buggy. So let's have a correct XMM trap
- * handler, and forget about printing out
- * some status at boot.
- *
- * We should really only care about bugs here
- * anyway. Not features.
- */
-static void __init check_fpu(void)
-{
-	if (!boot_cpu_data.hard_math) {
-#ifndef CONFIG_MATH_EMULATION
-		printk(KERN_EMERG "No coprocessor found and no math emulation present.\n");
-		printk(KERN_EMERG "Giving up.\n");
-		for (;;) ;
-#endif
-		return;
-	}
-
-/* Enable FXSR and company _before_ testing for FP problems. */
-	/*
-	 * Verify that the FXSAVE/FXRSTOR data will be 16-byte aligned.
-	 */
-	if (offsetof(struct task_struct, thread.i387.fxsave) & 15) {
-		extern void __buggy_fxsr_alignment(void);
-		__buggy_fxsr_alignment();
-	}
-	if (cpu_has_fxsr) {
-		printk(KERN_INFO "Enabling fast FPU save and restore... ");
-		set_in_cr4(X86_CR4_OSFXSR);
-		printk("done.\n");
-	}
-	if (cpu_has_xmm) {
-		printk(KERN_INFO "Enabling unmasked SIMD FPU exception support... ");
-		set_in_cr4(X86_CR4_OSXMMEXCPT);
-		printk("done.\n");
-	}
-
-	/* Test for the divl bug.. */
-	__asm__("fninit\n\t"
-		"fldl %1\n\t"
-		"fdivl %2\n\t"
-		"fmull %2\n\t"
-		"fldl %1\n\t"
-		"fsubp %%st,%%st(1)\n\t"
-		"fistpl %0\n\t"
-		"fwait\n\t"
-		"fninit"
-		: "=m" (*&boot_cpu_data.fdiv_bug)
-		: "m" (*&x), "m" (*&y));
-	stts();
-	if (boot_cpu_data.fdiv_bug)
-		printk("Hmm, FPU with FDIV bug.\n");
-}
-
-static void __init check_hlt(void)
-{
-	printk(KERN_INFO "Checking 'hlt' instruction... ");
-	if (!boot_cpu_data.hlt_works_ok) {
-		printk("disabled\n");
-		return;
-	}
-	__asm__ __volatile__("hlt ; hlt ; hlt ; hlt");
-	printk("OK.\n");
-}
-
-/*
- *	Most 386 processors have a bug where a POPAD can lock the 
- *	machine even from user space.
- */
- 
-static void __init check_popad(void)
-{
-#ifndef CONFIG_X86_POPAD_OK
-	int res, inp = (int) &res;
-
-	printk(KERN_INFO "Checking for popad bug... ");
-	__asm__ __volatile__( 
-	  "movl $12345678,%%eax; movl $0,%%edi; pusha; popa; movl (%%edx,%%edi),%%ecx "
-	  : "=&a" (res)
-	  : "d" (inp)
-	  : "ecx", "edi" );
-	/* If this fails, it means that any user program may lock the CPU hard. Too bad. */
-	if (res != 12345678) printk( "Buggy.\n" );
-		        else printk( "OK.\n" );
-#endif
-}
-
-/*
- * Check whether we are able to run this kernel safely on SMP.
- *
- * - In order to run on a i386, we need to be compiled for i386
- *   (for due to lack of "invlpg" and working WP on a i386)
- * - In order to run on anything without a TSC, we need to be
- *   compiled for a i486.
- * - In order to support the local APIC on a buggy Pentium machine,
- *   we need to be compiled with CONFIG_X86_GOOD_APIC disabled,
- *   which happens implicitly if compiled for a Pentium or lower
- *   (unless an advanced selection of CPU features is used) as an
- *   otherwise config implies a properly working local APIC without
- *   the need to do extra reads from the APIC.
-*/
-
-static void __init check_config(void)
-{
-/*
- * We'd better not be a i386 if we're configured to use some
- * i486+ only features! (WP works in supervisor mode and the
- * new "invlpg" and "bswap" instructions)
- */
-#if defined(CONFIG_X86_WP_WORKS_OK) || defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_BSWAP)
-	if (boot_cpu_data.x86 == 3)
-		panic("Kernel requires i486+ for 'invlpg' and other features");
-#endif
-
-/*
- * If we configured ourselves for a TSC, we'd better have one!
- */
-#ifdef CONFIG_X86_TSC
-	if (!cpu_has_tsc)
-		panic("Kernel compiled for Pentium+, requires TSC feature!");
-#endif
-
-/*
- * If we were told we had a good local APIC, check for buggy Pentia,
- * i.e. all B steppings and the C2 stepping of P54C when using their
- * integrated APIC (see 11AP erratum in "Pentium Processor
- * Specification Update").
- */
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_GOOD_APIC)
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL
-	    && cpu_has_apic
-	    && boot_cpu_data.x86 == 5
-	    && boot_cpu_data.x86_model == 2
-	    && (boot_cpu_data.x86_mask < 6 || boot_cpu_data.x86_mask == 11))
-		panic("Kernel compiled for PMMX+, assumes a local APIC without the read-before-write bug!");
-#endif
-}
-
-extern void alternative_instructions(void);
-
-static void __init check_bugs(void)
-{
-	identify_cpu(&boot_cpu_data);
-#ifndef CONFIG_SMP
-	printk("CPU: ");
-	print_cpu_info(&boot_cpu_data);
-#endif
-	check_config();
-	check_fpu();
-	check_hlt();
-	check_popad();
-	system_utsname.machine[1] = '0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
-	alternative_instructions(); 
-}