- 22 7月, 2012 2 次提交
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由 Joe Millenbach 提交于
Change all instances of if (debug) putstr(...) to a new debug_putstr(...). This allows a future change to conditionally stub out debug_putstr to save space. Signed-off-by: NJoe Millenbach <jmillenbach@gmail.com> Link: http://lkml.kernel.org/r/1342746282-28497-3-git-send-email-jmillenbach@gmail.comSigned-off-by: NGokul Caushik <caushik1@gmail.com> Reviewed-by: NJosh Triplett <josh@joshtriplett.org> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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由 Joe Millenbach 提交于
There are only 3 uses of the quiet flag and they all protect output that is only useful for debugging the stub, therefore we switched to using the debug flag for all extra output. Signed-off-by: NJoe Millenbach <jmillenbach@gmail.com> Link: http://lkml.kernel.org/r/1342746282-28497-2-git-send-email-jmillenbach@gmail.comSigned-off-by: NGokul Caushik <caushik1@gmail.com> Reviewed-by: NJosh Triplett <josh@joshtriplett.org> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 26 1月, 2012 1 次提交
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由 Jesper Juhl 提交于
We allocate memory with malloc(), but neglect to free it before the variable 'phdrs' goes out of scope --> leak. Signed-off-by: NJesper Juhl <jj@chaosbits.net> Link: http://lkml.kernel.org/r/alpine.LNX.2.00.1201232332590.8772@swampdragon.chaosbits.net [ Mostly harmless. ] Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 14 1月, 2011 1 次提交
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由 Lasse Collin 提交于
This integrates the XZ decompression code to the x86 pre-boot code. mkpiggy.c is updated to reserve about 32 KiB more buffer safety margin for kernel decompression. It is done unconditionally for all decompressors to keep the code simpler. The XZ decompressor needs around 30 KiB of heap, so the heap size is increased to 32 KiB on both x86-32 and x86-64. Documentation/x86/boot.txt is updated to list the XZ magic number. With the x86 BCJ filter in XZ, XZ-compressed x86 kernel tends to be a few percent smaller than the equivalent LZMA-compressed kernel. Signed-off-by: NLasse Collin <lasse.collin@tukaani.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Alain Knaff <alain@knaff.lu> Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com> Cc: Phillip Lougher <phillip@lougher.demon.co.uk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 17 12月, 2010 1 次提交
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由 H. Peter Anvin 提交于
A relocatable kernel can be anywhere in lowmem -- and in the case of a kdump kernel, is likely to be fairly high. Since the early page tables map everything from address zero up we need to make sure we allocate enough brk that we can map all of lowmem if we need to. Reported-by: NStanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com> Tested-by: NYinghai Lu <yinghai@kernel.org> LKML-Reference: <4D0AD3ED.8070607@kernel.org>
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- 08 10月, 2010 1 次提交
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由 Zhao Yakui 提交于
The kernel decompression code parses the ELF header and then copies the segment to the corresponding destination. Currently it uses slow byte-copy code. This patch makes it use the string copy operations instead. In the test the copy performance can be improved very significantly after using the string copy operation mechanism. 1. The copy time can be reduced from 150ms to 20ms on one Atom machine 2. The copy time can be reduced about 80% on another machine The time is reduced from 7ms to 1.5ms when using 32-bit kernel. The time is reduced from 10ms to 2ms when using 64-bit kernel. Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> LKML-Reference: <1286502453-7043-1-git-send-email-yakui.zhao@intel.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 03 8月, 2010 1 次提交
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由 Yinghai Lu 提交于
This enables the decompressor output to be seen on the serial console. Most of the code is shared with the regular boot code. We could add printf to the decompressor if needed, but currently there is no sufficiently compelling user. -v2: define BOOT_BOOT_H to avoid include boot.h -v3: early_serial_base need to be static in misc.c ? -v4: create seperate string.c printf.c cmdline.c early_serial_console.c after hpa's patch that allow global variables in compressed/misc stage -v5: remove printf.c related Signed-off-by: NYinghai Lu <yinghai@kernel.org> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 19 2月, 2010 1 次提交
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由 H. Peter Anvin 提交于
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: NH. Peter Anvin <hpa@zytor.com> LKML-Reference: <tip-*@git.kernel.org>
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- 06 2月, 2010 1 次提交
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由 Brian Gerst 提交于
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: NBrian Gerst <brgerst@gmail.com> LKML-Reference: <1265380629-3212-6-git-send-email-brgerst@gmail.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 12 1月, 2010 1 次提交
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由 Albin Tonnerre 提交于
The necessary changes to the x86 Kconfig and boot/compressed to allow the use of this new compression method Signed-off-by: NAlbin Tonnerre <albin.tonnerre@free-electrons.com> Acked-by: NH. Peter Anvin <hpa@zytor.com> Tested-by: NWu Zhangjin <wuzhangjin@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Tested-by: NRussell King <rmk@arm.linux.org.uk> Acked-by: NRussell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 13 5月, 2009 1 次提交
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由 H. Peter Anvin 提交于
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: NH. Peter Anvin <hpa@zytor.com>
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- 05 1月, 2009 1 次提交
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由 Alain Knaff 提交于
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: NAlain Knaff <alain@knaff.lu> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 23 10月, 2008 1 次提交
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由 H. Peter Anvin 提交于
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: NH. Peter Anvin <hpa@zytor.com>
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- 15 8月, 2008 1 次提交
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由 Paolo Ciarrocchi 提交于
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: NPaolo Ciarrocchi <paolo.ciarrocchi@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 26 7月, 2008 1 次提交
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由 Thomas Petazzoni 提交于
Inflate requires some dynamic memory allocation very early in the boot process and this is provided with a set of four functions: malloc/free/gzip_mark/gzip_release. The old inflate code used a mark/release strategy rather than implement free. This new version instead keeps a count on the number of outstanding allocations and when it hits zero, it resets the malloc arena. This allows removing all the mark and release implementations and unifying all the malloc/free implementations. The architecture-dependent code must define two addresses: - free_mem_ptr, the address of the beginning of the area in which allocations should be made - free_mem_end_ptr, the address of the end of the area in which allocations should be made. If set to 0, then no check is made on the number of allocations, it just grows as much as needed The architecture-dependent code can also provide an arch_decomp_wdog() function call. This function will be called several times during the decompression process, and allow to notify the watchdog that the system is still running. If an architecture provides such a call, then it must define ARCH_HAS_DECOMP_WDOG so that the generic inflate code calls arch_decomp_wdog(). Work initially done by Matt Mackall, updated to a recent version of the kernel and improved by me. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Matt Mackall <mpm@selenic.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Mikael Starvik <mikael.starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: David Howells <dhowells@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <andi@firstfloor.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: NPaul Mundt <lethal@linux-sh.org> Acked-by: NYoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 7月, 2008 1 次提交
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由 Vegard Nossum 提交于
This patch consolidates the header guard names which are also used externally, i.e. in .c files. Signed-off-by: NVegard Nossum <vegard.nossum@gmail.com>
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- 03 7月, 2008 1 次提交
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由 Ben Collins 提交于
This patch allows the disabling of decompression messages during x86 bootup. Signed-off-by: NBen Collins <ben.collins@canonical.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 10 6月, 2008 1 次提交
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由 Yinghai Lu 提交于
... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 31 5月, 2008 2 次提交
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由 Kristian Høgsberg 提交于
This patch lets the early real mode code look for the 'quiet' option on the kernel command line and pass a loadflag to the decompressor. When this flag is set, we suppress the "Decompressing Linux... Parsing ELF... done." messages. Signed-off-by: NKristian Høgsberg <krh@redhat.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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由 Kristian Høgsberg 提交于
Replace hardcoded offsets embedded in macros in arch/x86/boot/compressed with proper structure references. Signed-off-by: NKristian Høgsberg <krh@redhat.com> Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
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- 20 4月, 2008 1 次提交
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由 Alexander van Heukelum 提交于
The kernel decompressor wrapper uses memory located beyond the end of the image. This might lead to hard to debug problems, but even if it can be proven to be safe, it is at the very least unclean. I don't see any advantages either, unless you count it not being zeroed out as an advantage. This patch moves the boot-heap area to the bss segment. Signed-off-by: NAlexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 17 4月, 2008 4 次提交
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由 Alexander van Heukelum 提交于
In arch/x86/boot/compressed/misc.c, the variable vidmem is the only variable that ends up in de data segment. It's also superfluous, because the first thing the code does is: if (RM_SCREEN_INFO.orig_video_mode == 7) { vidmem = (char *) 0xb0000; vidport = 0x3b4; } else { vidmem = (char *) 0xb8000; vidport = 0x3d4; } This patch removes the initialisation. Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Before: total: 7 errors, 8 warnings, 471 lines checked After: total: 5 errors, 5 warnings, 479 lines checked ( the rest cannot be eliminated due to zlib interface cruftiness. ) No code changed: arch/x86/boot/compressed/misc.o: text data bss dec hex filename 10716 8 2152 12876 324c misc.o.before 10716 8 2152 12876 324c misc.o.after md5: 2c20c903986a3c9bca44306c6646067e misc.o.before.asm 2c20c903986a3c9bca44306c6646067e misc.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Paolo Ciarrocchi 提交于
Fix lots of style errors and warnings. Before: total: 58 errors, 9 warnings, 469 lines checked After: total: 7 errors, 8 warnings, 471 lines checked No code changed: arch/x86/boot/compressed/misc.o: text data bss dec hex filename 10716 8 2152 12876 324c misc.o.before 10716 8 2152 12876 324c misc.o.after md5: 2c20c903986a3c9bca44306c6646067e misc.o.before.asm 2c20c903986a3c9bca44306c6646067e misc.o.after.asm Signed-off-by: NPaolo Ciarrocchi <paolo.ciarrocchi@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ian Campbell 提交于
Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: Ian Campbell <ijc@hellion.org.uk> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: virtualization@lists.linux-foundation.org Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: virtualization@lists.linux-foundation.org Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 30 1月, 2008 8 次提交
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由 Ian Campbell 提交于
Remainder of unification can occur inplace. size reports no change in arch/x86/boot/compressed/vmlinux. Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Ian Campbell 提交于
size reports no change in arch/x86/boot/compressed/vmlinux. Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Ian Campbell 提交于
size reports no change in arch/x86/boot/compressed/vmlinux. Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Ian Campbell 提交于
size reports no change in arch/x86/boot/compressed/vmlinux. Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Ian Campbell 提交于
There seems to be a preference for the 64 bit version so use that on 32 bit and drop the stray leading "." Signed-off-by: NIan Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Jan Engelhardt 提交于
x86: remove unneeded casts Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Ingo Molnar 提交于
H. Peter Anvin <hpa@zytor.com> wrote: > It probably should actually HLT, to avoid sucking power, and stressing > the thermal system. We're dead at this point, and the early 486's > which had problems with HLT will lock up - we don't care. Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Rene Herman 提交于
x86: provide a DMI based port 0x80 I/O delay override. Certain (HP) laptops experience trouble from our port 0x80 I/O delay writes. This patch provides for a DMI based switch to the "alternate diagnostic port" 0xed (as used by some BIOSes as well) for these. David P. Reed confirmed that port 0xed works for him and provides a proper delay. The symptoms of _not_ working are a hanging machine, with "hwclock" use being a direct trigger. Earlier versions of this attempted to simply use udelay(2), with the 2 being a value tested to be a nicely conservative upper-bound with help from many on the linux-kernel mailinglist but that approach has two problems. First, pre-loops_per_jiffy calibration (which is post PIT init while some implementations of the PIT are actually one of the historically problematic devices that need the delay) udelay() isn't particularly well-defined. We could initialise loops_per_jiffy conservatively (and based on CPU family so as to not unduly delay old machines) which would sort of work, but... Second, delaying isn't the only effect that a write to port 0x80 has. It's also a PCI posting barrier which some devices may be explicitly or implicitly relying on. Alan Cox did a survey and found evidence that additionally some drivers may be racy on SMP without the bus locking outb. Switching to an inb() makes the timing too unpredictable and as such, this DMI based switch should be the safest approach for now. Any more invasive changes should get more rigid testing first. It's moreover only very few machines with the problem and a DMI based hack seems to fit that situation. This also introduces a command-line parameter "io_delay" to override the DMI based choice again: io_delay=<standard|alternate> where "standard" means using the standard port 0x80 and "alternate" port 0xed. This retains the udelay method as a config (CONFIG_UDELAY_IO_DELAY) and command-line ("io_delay=udelay") choice for testing purposes as well. This does not change the io_delay() in the boot code which is using the same port 0x80 I/O delay but those do not appear to be a problem as David P. Reed reported the problem was already gone after using the udelay version. He moreover reported that booting with "acpi=off" also fixed things and seeing as how ACPI isn't touched until after this DMI based I/O port switch I believe it's safe to leave the ones in the boot code be. The DMI strings from David's HP Pavilion dv9000z are in there already and we need to get/verify the DMI info from other machines with the problem, notably the HP Pavilion dv6000z. This patch is partly based on earlier patches from Pavel Machek and David P. Reed. Signed-off-by: NRene Herman <rene.herman@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 22 10月, 2007 1 次提交
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由 Rusty Russell 提交于
This patch uses the updated boot protocol to do paravirtualized boot. If the boot version is >= 2.07, then it will do two things: 1. Check the bootparams loadflags to see if we should reload the segment registers and clear interrupts. This is appropriate for normal native boot and some paravirtualized environments, but inapproprate for others. 2. Check the hardware architecture, and dispatch to the appropriate kernel entrypoint. If the bootloader doesn't set this, then we simply do the normal boot sequence. Signed-off-by: NJeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Acked-by: NH. Peter Anvin <hpa@zytor.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Zachary Amsden <zach@vmware.com> Cc: Andi Kleen <ak@suse.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 20 10月, 2007 1 次提交
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由 Simon Arlott 提交于
Spelling fixes in arch/i386/. Signed-off-by: NSimon Arlott <simon@fire.lp0.eu> Signed-off-by: NAdrian Bunk <bunk@kernel.org>
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- 11 10月, 2007 2 次提交
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由 Thomas Gleixner 提交于
Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Thomas Gleixner 提交于
Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 03 5月, 2007 1 次提交
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由 Jeremy Fitzhardinge 提交于
inflate_fixed and huft_build together use around 2.7k of stack. When using 4k stacks, I saw stack overflows from interrupts arriving while unpacking the root initrd: do_IRQ: stack overflow: 384 [<c0106b64>] show_trace_log_lvl+0x1a/0x30 [<c01075e6>] show_trace+0x12/0x14 [<c010763f>] dump_stack+0x16/0x18 [<c0107ca4>] do_IRQ+0x6d/0xd9 [<c010202b>] xen_evtchn_do_upcall+0x6e/0xa2 [<c0106781>] xen_hypervisor_callback+0x25/0x2c [<c010116c>] xen_restore_fl+0x27/0x29 [<c0330f63>] _spin_unlock_irqrestore+0x4a/0x50 [<c0117aab>] change_page_attr+0x577/0x584 [<c0117b45>] kernel_map_pages+0x8d/0xb4 [<c016a314>] cache_alloc_refill+0x53f/0x632 [<c016a6c2>] __kmalloc+0xc1/0x10d [<c0463d34>] malloc+0x10/0x12 [<c04641c1>] huft_build+0x2a7/0x5fa [<c04645a5>] inflate_fixed+0x91/0x136 [<c04657e2>] unpack_to_rootfs+0x5f2/0x8c1 [<c0465acf>] populate_rootfs+0x1e/0xe4 (This was under Xen, but there's no reason it couldn't happen on bare hardware.) This patch mallocs the local variables, thereby reducing the stack usage to sane levels. Also, up the heap size for the kernel decompressor to deal with the extra allocation. Signed-off-by: NJeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: NAndi Kleen <ak@suse.de> Cc: Tim Yamin <plasmaroo@gentoo.org> Cc: Andi Kleen <ak@suse.de> Cc: Matt Mackall <mpm@selenic.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ian Molton <spyro@f2s.com>
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- 07 12月, 2006 2 次提交
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由 Randy Dunlap 提交于
CC arch/i386/boot/compressed/misc.o arch/i386/boot/compressed/misc.c:120: error: static declaration of 'xquad_portio' follows non-static declaration include/asm/io.h:275: error: previous declaration of 'xquad_portio' was here make[2]: *** [arch/i386/boot/compressed/misc.o] Error 1 Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NAndi Kleen <ak@suse.de>
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由 Rusty Russell 提交于
Create a paravirt.h header for all the critical operations which need to be replaced with hypervisor calls, and include that instead of defining native operations, when CONFIG_PARAVIRT. This patch does the dumbest possible replacement of paravirtualized instructions: calls through a "paravirt_ops" structure. Currently these are function implementations of native hardware: hypervisors will override the ops structure with their own variants. All the pv-ops functions are declared "fastcall" so that a specific register-based ABI is used, to make inlining assember easier. And: +From: Andy Whitcroft <apw@shadowen.org> The paravirt ops introduce a 'weak' attribute onto memory_setup(). Code ordering leads to the following warnings on x86: arch/i386/kernel/setup.c:651: warning: weak declaration of `memory_setup' after first use results in unspecified behavior Move memory_setup() to avoid this. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Signed-off-by: NChris Wright <chrisw@sous-sol.org> Signed-off-by: NAndi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NAndy Whitcroft <apw@shadowen.org>
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