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* Merge branch 'x86-setup-for-linus' of ↵Linus Torvalds2010-02-281-2/+0
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: Don't skip mode setting for the standard VGA modes x86-64, setup: Inhibit decompressor output if video info is invalid x86, setup: When restoring the screen, update boot_params.screen_info
| * x86-64, setup: Inhibit decompressor output if video info is invalidH. Peter Anvin2010-02-181-2/+0
| | | | | | | | | | | | | | | | | | Inhibit output from the kernel decompressor if the video information is invalid. This was already the case for 32 bits, make 64 bits match. Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <tip-*@git.kernel.org>
* | x86: Clean up mem*io functions.Brian Gerst2010-02-051-9/+4
|/ | | | | | | | | | Iomem has no special significance on x86. Use the standard mem* functions instead of trying to call other versions. Some fixups are needed to match the function prototypes. Signed-off-by: Brian Gerst <brgerst@gmail.com> LKML-Reference: <1265380629-3212-6-git-send-email-brgerst@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: add support for LZO-compressed kernelsAlbin Tonnerre2010-01-112-1/+8
| | | | | | | | | | | | | | | | The necessary changes to the x86 Kconfig and boot/compressed to allow the use of this new compression method Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Tested-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Tested-by: Russell King <rmk@arm.linux.org.uk> Acked-by: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86, compress: Force i386 instructions for the decompressorH. Peter Anvin2009-12-251-0/+1
| | | | | | | | | | | | | | | Recently, some distros have started shipping versions of gcc which default to -march=i686. This breaks building kernels for pre-i686 machines, even if they have been selected in Kconfig, due to the generation of CMOV instructions. There isn't enough benefit to try to preserve the generation of these instructions even when selected, so simply force -march=i386 for the decompressor when building a 32-bit kernel. Reported-and-tested-by: Chris Rankin <rankincj@yahoo.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <219280.97558.qm@web52907.mail.re2.yahoo.com>
* x86: Regex support and known-movable symbols for relocs, fix _endH. Peter Anvin2009-12-141-28/+59
| | | | | | | | | | | | | | | | | | | | | | | | This adds a new category of symbols to the relocs program: symbols which are known to be relative, even though the linker emits them as absolute; this is the case for symbols that live in the linker script, which currently applies to _end. Unfortunately the previous workaround of putting _end in its own empty section was defeated by newer binutils, which remove empty sections completely. This patch also changes the symbol matching to use regular expressions instead of hardcoded C for specific patterns. This is a decidedly non-minimal patch: a modified version of the relocs program is used as part of the Syslinux build, and this is basically a backport to Linux of some of those changes; they have thus been well tested. Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <4AF86211.3070103@zytor.com> Acked-by: Michal Marek <mmarek@suse.cz> Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
* x86: Eliminate redundant/contradicting cache line size config optionsJan Beulich2009-11-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | Rather than having X86_L1_CACHE_BYTES and X86_L1_CACHE_SHIFT (with inconsistent defaults), just having the latter suffices as the former can be easily calculated from it. To be consistent, also change X86_INTERNODE_CACHE_BYTES to X86_INTERNODE_CACHE_SHIFT, and set it to 7 (128 bytes) for NUMA to account for last level cache line size (which here matters more than L1 cache line size). Finally, make sure the default value for X86_L1_CACHE_SHIFT, when X86_GENERIC is selected, is being seen before that for the individual CPU model options (other than on x86-64, where GENERIC_CPU is part of the choice construct, X86_GENERIC is a separate option on ix86). Signed-off-by: Jan Beulich <jbeulich@novell.com> Acked-by: Ravikiran Thirumalai <kiran@scalex86.org> Acked-by: Nick Piggin <npiggin@suse.de> LKML-Reference: <4AFD5710020000780001F8F0@vpn.id2.novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, boot: Simplify setting of the PAE bitAlexander Potashev2009-10-241-2/+1
| | | | | | | | | A single 'movl' is shorter than the 'xorl'-'orl' pair. No change in behaviour. Signed-off-by: Alexander Potashev <aspotashev@gmail.com> LKML-Reference: <1256341043-4928-1-git-send-email-aspotashev@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: convert compressed loader to use __HEAD and HEAD_TEXT macros.Tim Abbott2009-09-183-4/+8
| | | | | | | | | | | | | | | This has the consequence of changing the section name use for head code from ".text.head" to ".head.text". Linus suggested that we merge the ".text.head" section with ".text" (presumably while preserving the fact that the head code starts at 0). When I tried this it caused the kernel to not boot. Signed-off-by: Tim Abbott <tabbott@ksplice.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: add vmlinux.lds to targets in arch/x86/boot/compressed/MakefileJan Beulich2009-08-201-1/+1
| | | | | | | | | | The absence of vmlinux.lds here keeps .vmlinux.lds.cmd from being included, which in turn leads to it and all its dependents always getting rebuilt independent of whether they are already up-to-date. Signed-off-by: Jan Beulich <jbeulich@novell.com> LKML-Reference: <4A8D84670200007800010D31@vpn.id2.novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* gcov: enable GCOV_PROFILE_ALL for x86_64Peter Oberparleiter2009-06-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Enable gcov profiling of the entire kernel on x86_64. Required changes include disabling profiling for: * arch/kernel/acpi/realmode and arch/kernel/boot/compressed: not linked to main kernel * arch/vdso, arch/kernel/vsyscall_64 and arch/kernel/hpet: profiling causes segfaults during boot (incompatible context) Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Li Wei <W.Li@Sun.COM> Cc: Michael Ellerman <michaele@au1.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Heiko Carstens <heicars2@linux.vnet.ibm.com> Cc: Martin Schwidefsky <mschwid2@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: WANG Cong <xiyou.wangcong@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'x86-kbuild-for-linus' of ↵Linus Torvalds2009-06-109-287/+324
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-kbuild-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (46 commits) x86, boot: add new generated files to the appropriate .gitignore files x86, boot: correct the calculation of ZO_INIT_SIZE x86-64: align __PHYSICAL_START, remove __KERNEL_ALIGN x86, boot: correct sanity checks in boot/compressed/misc.c x86: add extension fields for bootloader type and version x86, defconfig: update kernel position parameters x86, defconfig: update to current, no material changes x86: make CONFIG_RELOCATABLE the default x86: default CONFIG_PHYSICAL_START and CONFIG_PHYSICAL_ALIGN to 16 MB x86: document new bzImage fields x86, boot: make kernel_alignment adjustable; new bzImage fields x86, boot: remove dead code from boot/compressed/head_*.S x86, boot: use LOAD_PHYSICAL_ADDR on 64 bits x86, boot: make symbols from the main vmlinux available x86, boot: determine compressed code offset at compile time x86, boot: use appropriate rep string for move and clear x86, boot: zero EFLAGS on 32 bits x86, boot: set up the decompression stack as early as possible x86, boot: straighten out ranges to copy/zero in compressed/head*.S x86, boot: stylistic cleanups for boot/compressed/head_64.S ... Fixed trivial conflict in arch/x86/configs/x86_64_defconfig manually
| * x86, boot: add new generated files to the appropriate .gitignore filesMike Galbraith2009-06-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git status complains of untracked (generated) files in arch/x86/boot.. # Untracked files: # (use "git add <file>..." to include in what will be committed) # # ../../arch/x86/boot/compressed/mkpiggy # ../../arch/x86/boot/compressed/piggy.S # ../../arch/x86/boot/compressed/vmlinux.lds # ../../arch/x86/boot/voffset.h # ../../arch/x86/boot/zoffset.h ..so adjust .gitignore files accordingly. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: correct sanity checks in boot/compressed/misc.cH. Peter Anvin2009-05-121-7/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arch/x86/boot/compressed/misc.c contains several sanity checks on the output address. Correct constraints that are no longer correct: - the alignment test should be MIN_KERNEL_ALIGN on both 32 and 64 bits. - the 64 bit maximum address was set to 2^40, which was the limit of one specific x86-64 implementation. Change the test to 2^46, the current Linux limit, and at least try to test the end rather than the beginning. - for non-relocatable kernels, test against LOAD_PHYSICAL_ADDR on both 32 and 64 bits. [ Impact: fix potential boot failure due to invalid tests ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: make kernel_alignment adjustable; new bzImage fieldsH. Peter Anvin2009-05-112-6/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the kernel_alignment field adjustable; this allows us to set it to a large value (intended to be 16 MB to avoid ZONE_DMA contention, memory holes and other weirdness) while a smart bootloader can still force a loading at a lesser alignment if absolutely necessary. Also export pref_address (preferred loading address, corresponding to the link-time address) and init_size, the total amount of linear memory the kernel will require during initialization. [ Impact: allows better kernel placement, gives bootloader more info ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: remove dead code from boot/compressed/head_*.SH. Peter Anvin2009-05-112-12/+0
| | | | | | | | | | | | | | | | | | | | Remove a couple of lines of dead code from arch/x86/boot/compressed/head_*.S; all of these update registers that are dead in the current code. [ Impact: cleanup ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: use LOAD_PHYSICAL_ADDR on 64 bitsH. Peter Anvin2009-05-111-3/+3
| | | | | | | | | | | | | | | | | | Use LOAD_PHYSICAL_ADDR instead of CONFIG_PHYSICAL_START in the 64-bit decompression code, for equivalence with the 32-bit code. [ Impact: cleanup, increases code similarity ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: determine compressed code offset at compile timeH. Peter Anvin2009-05-085-60/+123
| | | | | | | | | | | | | | | | | | | | | | | | | | Determine the compressed code offset (from the kernel runtime address) at compile time. This allows some minor optimizations in arch/x86/boot/compressed/head_*.S, but more importantly it makes this value available to the build process, which will enable a future patch to export the necessary linear memory footprint into the bzImage header. [ Impact: cleanup, future patch enabling ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: use appropriate rep string for move and clearH. Peter Anvin2009-05-082-18/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the pre-decompression code, use the appropriate largest possible rep movs and rep stos to move code and clear bss, respectively. For reverse copy, do note that the initial values are supposed to be the address of the first (highest) copy datum, not one byte beyond the end of the buffer. rep strings are not necessarily the fastest way to perform these operations on all current processors, but are likely to be in the future, and perhaps more importantly, we want to encourage the architecturally right thing to do here. This also fixes a couple of trivial inefficiencies on 64 bits. [ Impact: trivial performance enhancement, increase code similarity ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: zero EFLAGS on 32 bitsH. Peter Anvin2009-05-081-0/+4
| | | | | | | | | | | | | | | | | | The 64-bit code already clears EFLAGS as soon as it has a stack. This seems like a reasonable precaution, so do it on 32 bits as well. [ Impact: extra paranoia ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: set up the decompression stack as early as possibleH. Peter Anvin2009-05-082-14/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Set up the decompression stack as soon as we know where it needs to go. That way we have a full-service stack as soon as possible, rather than relying on the BP_scratch field. Note that the stack does need to be empty during bss zeroing (or else the stack needs to be moved out of the bss segment, which is also an option.) [ Impact: cleanup, minor paranoia ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: straighten out ranges to copy/zero in compressed/head*.SH. Peter Anvin2009-05-083-16/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Both on 32 and 64 bits, we copy all the way up to the end of bss, except that on 64 bits there is a hack to avoid copying on top of the page tables. There is no point in copying bss at all, especially since we are just about to zero it all anyway. To clean up and unify the handling, we now do: - copy from startup_32 to _bss. - zero from _bss to _ebss. - the _ebss symbol is aligned to an 8-byte boundary. - the page tables are moved to a separate section. Use _bss as the copy endpoint since _edata may be misaligned. [ Impact: cleanup, trivial performance improvement ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: stylistic cleanups for boot/compressed/head_64.SH. Peter Anvin2009-05-081-21/+31
| | | | | | | | | | | | | | | | | | | | | | Clean up style issues in arch/x86/boot/compressed/head_64.S. This file had a lot fewer style issues than its 32-bit cousin, but the ones it has are worth fixing, especially since it makes the two files more similar. [ Impact: cleanup, no object code change ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: stylistic cleanups for boot/compressed/head_32.SH. Peter Anvin2009-05-081-81/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reformat arch/x86/boot/compressed/head_32.S to be closer to currently preferred kernel assembly style, that is: - opcode and operand separated by tab - operands separated by ", " - C-style comments This also makes it more similar to head_64.S. [ Impact: cleanup, no object code change ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: use BP_scratch in arch/x86/boot/compressed/head_*.SH. Peter Anvin2009-05-082-2/+2
| | | | | | | | | | | | | | | | | | Use the BP_scratch symbol from asm-offsets.h instead of hard-coding the location. [ Impact: cleanup ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: follow standard Kbuild style for compression suffixH. Peter Anvin2009-05-081-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | When generating the compression suffix in arch/x86/boot/compressed/Makefile, follow standard Kbuild conventions, that is: - Use a dash not underscore before y/m/n endings - Use := whenever possible. Requested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86, boot: simplify arch/x86/boot/compressed/MakefileH. Peter Anvin2009-05-081-33/+6
| | | | | | | | | | | | | | | | | | Simplify the arch/x86/boot/compressed/Makefile, by using the new capability of specifying multiple inputs to a compressor, and the CONFIG_X86_NEED_RELOCS Kconfig symbol. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Acked-by: Sam Ravnborg <sam@ravnborg.org>
| * x86, boot: align the .bss section in the decompressorH. Peter Anvin2009-05-081-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Aligning the .bss section makes it trivial to use large operation sizes for moving the initialized sections and clearing the .bss. The alignment chosen (L1 cache) is somewhat arbitrary, but should be large enough to avoid all known performance traps and small enough to not cause troubles. [ Impact: trivial performance enhancement, future patch prep ] Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| * x86: boot/compressed/vmlinux.lds.S: fix build of bzImage with 64 bit compilerSam Ravnborg2009-04-301-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jesper reported that he saw following build issue: > ld:arch/x86/boot/compressed/vmlinux.lds:9: syntax error > make[2]: *** [arch/x86/boot/compressed/vmlinux] Error 1 > make[1]: *** [arch/x86/boot/compressed/vmlinux] Error 2 > make: *** [bzImage] Error 2 CPP defines the symbol "i386" to "1". Undefine this to fix it. [ Impact: build fix with certain tool chains ] Reported-by: Jesper Dangaard Brouer <jdb@comx.dk> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <alpine.LFD.2.00.0904260958190.3101@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: unify arch/x86/boot/compressed/vmlinux_*.ldsLinus Torvalds2009-04-274-49/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Look at the: diff -u arch/x86/boot/compressed/vmlinux_*.lds output and realize that they're basially exactly the same except for trivial naming differences, and the fact that the 64-bit version has a "pgtable" thing. So unify them. There's some trivial cleanup there (make the output format a Kconfig thing rather than doing #ifdef's for it, and unify both 32-bit and 64-bit BSS end to "_ebss", where 32-bit used to use the traditional "_end"), but other than that it's really very mindless and straigt conversion. For example, I think we should aim to remove "startup_32" vs "startup_64", and just call it "startup", and get rid of one more difference. I didn't do that. Also, notice the comment in the unified vmlinux.lds.S talks about "head_64" and "startup_32" which is an odd and incorrect mix, but that was actually what the old 64-bit only lds file had, so the confusion isn't new, and now that mixing is arguably more accurate thanks to the vmlinux.lds.S file being shared between the two cases ;) [ Impact: cleanup, unification ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86, relocs: ignore R_386_NONE in kernel relocation entriesTejun Heo2009-05-251-2/+5
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | For relocatable 32bit kernels, boot/compressed/relocs.c processes relocation entries in the kernel image and appends it to the kernel image such that boot/compressed/head_32.S can relocate the kernel. The kernel image is one statically linked object and only uses two relocation types - R_386_PC32 and R_386_32, of the two only the latter needs massaging during kernel relocation and thus handled by relocs. R_386_PC32 is ignored and all other relocation types are considered error. When the target of a relocation resides in a discarded section, binutils doesn't throw away the relocation record but nullifies it by changing it to R_386_NONE, which unfortunately makes relocs fail. The problem was triggered by yet out-of-tree x86 stack unwind patches but given the binutils behavior, ignoring R_386_NONE is the right thing to do. The problem has been tracked down to binutils behavior by Jan Beulich. [ Impact: fix build with certain binutils by ignoring R_386_NONE ] Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jan Beulich <JBeulich@novell.com> Cc: Ingo Molnar <mingo@elte.hu> LKML-Reference: <4A1B8150.40702@kernel.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86, setup: compile with -DDISABLE_BRANCH_PROFILINGH. Peter Anvin2009-04-031-0/+1
| | | | | | | | | | | | Impact: code size reduction (possibly critical) The x86 boot and decompression code has no use of the branch profiling constructs, so disable them. This would bloat the setup code by as much as 14K, eating up a fairly large chunk of the 32K area we are guaranteed to have. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
*-. Merge branches 'x86/apic', 'x86/cpu', 'x86/fixmap', 'x86/mm', 'x86/sched', ↵Ingo Molnar2009-03-042-106/+33
|\ \ | | | | | | | | | 'x86/setup-lzma', 'x86/signal' and 'x86/urgent' into x86/core
| | * bzip2/lzma: x86 kernel compression supportAlain Knaff2009-01-042-106/+33
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Replaces x86 kernel decompressor with new code This is the third part of the bzip2/lzma patch The bzip patch is based on an idea by Christian Ludwig, includes support for compressing the kernel with bzip2 or lzma rather than gzip. Both compressors give smaller sizes than gzip. Lzma's decompresses faster than bzip2. It also supports ramdisks and initramfs' compressed using these two compressors. The functionality has been successfully used for a couple of years by the udpcast project This version applies to "tip" kernel 2.6.28 This part contains: - support for new bzip2 and lzma kernel compression for x86 Signed-off-by: Alain Knaff <alain@knaff.lu> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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*-. \ Merge branches 'x86/asm', 'x86/cleanups' and 'x86/headers' into x86/coreIngo Molnar2009-02-202-10/+8
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| | * x86: use _types.h headers in asm where availableJeremy Fitzhardinge2009-02-132-3/+3
| |/ |/| | | | | | | | | | | In general, the only definitions that assembly files can use are in _types.S headers (where available), so convert them. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
| * x86: compressed head_32 - use ENTRY,ENDPROC macrosCyrill Gorcunov2009-02-191-3/+3
| | | | | | | | | | | | | | | | | | | | | | Impact: clenaup Linker script will put startup_32 at predefined address so using startup_32 will not bloat the code size. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * x86: compressed head_64 - use ENTRY,ENDPROC macrosCyrill Gorcunov2009-02-191-4/+2
|/ | | | | | | | | | | Impact: clenaup Linker script will put startup_32 at predefined address so using ENTRY will not bloat the code size. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* .gitignore updatesAlexey Dobriyan2008-10-301-0/+2
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86: Fix ASM_X86__ header guardsH. Peter Anvin2008-10-221-1/+1
| | | | | | | | | Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
*---. Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar2008-10-121-4/+4
|\ \ \ | | | | | | | | | | | | 'x86/memory-corruption-check', 'x86/early-printk', 'x86/xsave', 'x86/ptrace-v2', 'x86/quirks', 'x86/setup', 'x86/spinlocks' and 'x86/signal' into x86/core-v2
| | | * Merge commit 'v2.6.27-rc8' into x86/setupIngo Molnar2008-10-031-39/+0
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| | | * x86: boot/compressed/Makefile: fix "make clean"H. Peter Anvin2008-09-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Kbuild variable "targets" is supposed to be configuration-independent and reflect "all possible targets". This is required to make "make clean" work properly. Therefore, move all manipulation of "targets" as well as custom rules out of the x86-32 ifdef statement. Only leave inside the ifdefs the things that are genuinely configuration-dependent. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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*---. \ \ \ Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', ↵Ingo Molnar2008-10-062-6/+9
|\ \ \ \ \ \ | | |_|/ / / | |/| | | | | | | | | | 'x86/crashdump', 'x86/debug', 'x86/defconfig', 'x86/doc', 'x86/exports', 'x86/fpu', 'x86/gart', 'x86/idle', 'x86/mm', 'x86/mtrr', 'x86/nmi-watchdog', 'x86/oprofile', 'x86/paravirt', 'x86/reboot', 'x86/sparse-fixes', 'x86/tsc', 'x86/urgent' and 'x86/vmalloc' into x86-v28-for-linus-phase1
| | * | | | x86: coding style fixes to arch/x86/boot/compressed/misc.cPaolo Ciarrocchi2008-08-151-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before: total: 4 errors, 6 warnings, 439 lines checked After: total: 1 errors, 5 warnings, 441 lines checked Before -#include <asm/io.h> +#include <linux/io.h> paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/misc.o.* 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.after 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.before After -#include <asm/io.h> +#include <linux/io.h> paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/misc.o.* 59a2d264284be5e72b5af4f3a8ccfb47 /tmp/misc.o.after 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.before Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | | | x86: fix comment in protected mode headerPhilipp Kohlbecher2008-08-111-2/+3
| |/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Comments in arch/x86/boot/compressed/head_32.S erroneously refer to the real mode pointer as the second and the heap area as the third argument to decompress_kernel(). In fact, these have been the first and second argument, respectively, since v2.6.20. This patch corrects the comments. It introduces no code changes. Signed-off-by: Philipp Kohlbecher <xt28@gmx.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | | Merge branch 'x86/header-guards' into x86-v28-for-linus-phase1Ingo Molnar2008-10-061-1/+1
|\ \ \ \ \ | |_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: include/asm-x86/dma-mapping.h include/asm-x86/gpio.h include/asm-x86/idle.h include/asm-x86/kvm_host.h include/asm-x86/namei.h include/asm-x86/uaccess.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | Merge branch 'linus' into x86/header-guardsIngo Molnar2008-07-261-39/+0
| |\ \ \ \ | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: include/asm-x86/gpio.h include/asm-x86/ide.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | x86: consolidate header guardsVegard Nossum2008-07-221-1/+1
| | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | This patch consolidates the header guard names which are also used externally, i.e. in .c files. Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
* | | | x86 setup: correct segfault in generation of 32-bit reloc kernelH. Peter Anvin2008-10-031-1/+1
| |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: segfault on build of a 32-bit relocatable kernel When converting arch/x86/boot/compressed/relocs.c to support unlimited sections, the computation of sym_strtab in walk_relocs() was done incorrectly. This causes a segfault for some people when building the relocatable 32-bit kernel. Pointed out by Anonymous <pageexec@freemail.hu>. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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