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* x86, kexec: x86_64: add kexec jump support for x86_64Huang Ying2009-03-101-33/+144
| | | | | | | | | | Impact: New major feature This patch add kexec jump support for x86_64. More information about kexec jump can be found in corresponding x86_32 support patch. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86, kexec: fix kexec x86 coding styleHuang Ying2009-03-101-8/+16
| | | | | | | | | Impact: Cleanup Fix some coding style issue for kexec x86. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: use _types.h headers in asm where availableJeremy Fitzhardinge2009-02-131-2/+2
| | | | | | | 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: kexec: Use one page table in x86_64 machine_kexecHuang Ying2009-02-031-122/+3
| | | | | | | | | | | | | | | | Impact: reduce kernel BSS size by 7 pages, improve code readability Two page tables are used in current x86_64 kexec implementation. One is used to jump from kernel virtual address to identity map address, the other is used to map all physical memory. In fact, on x86_64, there is no conflict between kernel virtual address space and physical memory space, so just one page table is sufficient. The page table pages used to map control page are dynamically allocated to save memory if kexec image is not loaded. ASM code used to map control page is replaced by C code too. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: relocate_kernel - use predefined macroses for page attributesgorcunov@gmail.com2008-04-171-1/+2
| | | | | Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: relocate_kernel - use predefined macroses for processor stategorcunov@gmail.com2008-04-171-21/+11
| | | | | Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: relocate_kernel - use PAGE_SIZE instead of numeric constantgorcunov@gmail.com2008-04-171-1/+1
| | | | | Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: relocate_kernel - use predefined PAGE_SIZE instead of own aliasCyrill Gorcunov2008-04-171-2/+1
| | | | | | | | This patch does clean up relocate_kernel_(32|64).S a bit by getting rid of local PAGE_ALIGNED macro. We should use well-known PAGE_SIZE instead Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: move kernelThomas Gleixner2007-10-111-0/+276
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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