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* [PATCH] x86: "make isoimage" support; FDINITRD= support; minor cleanupsH. Peter Anvin2006-03-26
| | | | | | | | | | | | | Add a "make isoimage" to i386 and x86-64, which allows the automatic creation of a bootable CD image. It also adds an option FDINITRD= to include an initrd of the user's choice in generated floppy- or CD boot images. Finally, some minor cleanups of the image generation code. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Andi Kleen <ak@muc.de> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't define string functions to builtinAndi Kleen2006-03-25
| | | | | | | | | | | | | | | | gcc should handle this anyways, and it causes problems when sprintf is turned into strcpy by gcc behind our backs and the C fallback version of strcpy is actually defining __builtin_strcpy Then drop -ffreestanding from the main Makefile because it isn't needed anymore and implies -fno-builtin, which is wrong now. (it was only added for x86-64, so dropping it should be safe) Noticed by Roman Zippel Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* kbuild: change kbuild to not rely on incorrect GNU make behaviorPaul Smith2006-03-05
| | | | | | | | | | | | | | | | | | | | The kbuild system takes advantage of an incorrect behavior in GNU make. Once this behavior is fixed, all files in the kernel rebuild every time, even if nothing has changed. This patch ensures kbuild works with both the incorrect and correct behaviors of GNU make. For more details on the incorrect behavior, see: http://lists.gnu.org/archive/html/bug-make/2006-03/msg00003.html Changes in this patch: - Keep all targets that are to be marked .PHONY in a variable, PHONY. - Add .PHONY: $(PHONY) to mark them properly. - Remove any $(PHONY) files from the $? list when determining whether targets are up-to-date or not. Signed-off-by: Paul Smith <psmith@gnu.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* [PATCH] i386: remove gcc version check for CONFIG_REGPARMAdrian Bunk2006-01-17
| | | | | | | | | | Since we do no longer support any gcc < 3.0, there's no need to check for it.. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] enable unit-at-a-time optimisations for gcc4Ingo Molnar2006-01-14
| | | | | | | | | | | | | | | | | | | | Allow gcc4 compilers to optimize unit-at-a-time. This flag enables gcc to "see" the entire C file before making optimisation decisions such as inline, which results in gcc making better decisions. One of the immediate effects of this is that static functions that are used only once now get inlined. gcc 3.4 has this flag as well, however gcc 3.x have a problem with inlining and stacks and as a result, enabling this flag there would cause excessive and unacceptable stack use. This problem is fixed in the gcc 4.x series. The x86-64 architecture already enables this feature so it's well tested already. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@infradead.org> Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* kbuild: drop vmlinux dependency from "make install"H. Peter Anvin2006-01-09
| | | | | | | | | | | This removes the dependency from vmlinux to install, thus avoiding the current situation where "make install" has a nasty tendency to leave root-turds in the working directory. It also updates x86-64 to be in sync with i386. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: remove GCC_VERSIONSam Ravnborg2006-01-08
| | | | | | | | | | | This was causing some ordering problems. Remove the up-front evaluation and just revaluate the compiler version each time we need it. (The up-front evaluation was problematic because some architectures modify the value of $(CC)). Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* [PATCH] uml: reuse i386 cpu-specific tuningPaolo 'Blaisorblade' Giarrusso2005-10-30
| | | | | | | | | | | | | | | | | | Make UML share the underlying cpu-specific tuning done on i386. Actually, for now many config options aren't used a lot - but that can be done later. Also, UML relies on GCC optimization for things like memcpy and such more than i386, so specifying the correct -march and -mtune should be enough. Later, we may want to correct some other stuff. For instance, since FPU context switching, for us, is done (at least partially, i.e. between our kernelspace and userspace) by the host, we may allow usage of FPU operations by GCC. This doesn't hold for kernelspace vs. kernelspace, but we don't support preemption. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* kbuild: full dependency check on asm-offsets.hSam Ravnborg2005-09-09
| | | | | | | | | | | | | | | | | | Building asm-offsets.h has been moved to a seperate Kbuild file located in the top-level directory. This allow us to share the functionality across the architectures. The old rules in architecture specific Makefiles will die in subsequent patches. Furhtermore the usual kbuild dependency tracking is now used when deciding to rebuild asm-offsets.s. So we no longer risk to fail a rebuild caused by asm-offsets.c dependencies being touched. With this common rule-set we now force the same name across all architectures. Following patches will fix the rest. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* [PATCH] biarch compiler support for i386H. Peter Anvin2005-06-23
| | | | | | | | | | | This allows the i386 architecture to be built on a system with a biarch compiler that defaults to x86-64, merely by specifying ARCH=i386. As previously discussed, this uses the equivalent logic to the ppc port. Signed-Off-By: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86: geode support fixesKianusch Sayah Karadji2005-05-05
| | | | | | | | | | | | - Changed Name/defines from "Geode GX" to "Geode GX1" for clarification - Dropped "-march=i586" in favor of "-march=i486" - Dopped X86_OOSTORE support for Geode GX1 Signed-off-by: Kianusch Sayah Karadji <kianusch@sk-tech.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] kbuild/i386: re-introduce dependency on vmlinux for install target, ↵Sam Ravnborg2005-04-30
| | | | | | | | | | | | | | | | | | | | | and add kernel_install Removing the dependency on vmlinux for the install target raised a few complaints, so instead a new target i added: kernel_install. kernel_install will install the kernel just like the ordinary install target. The only difference is that install has a dependency on vmlinux, kernel_install does not. Therefore kernel_install is the best choice when accessing the kernel over a NFS mount or as another user. kernel_install is similar to modules_install in the fact that neither does a full kernel compile before performing the install. In this way they are good for root use. Also added back the dependency on vmlinux for the install target so peoples scripts are no longer broken. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!