On 04/10/14 at 05:12pm, WANG Chao wrote: > Hi, all > > (Sorry for this late update. I was occupied with something else) > > This patchset enables passing memory map via E820 map on x86 platform instead > of memmap=exactmap. It's a better design and will solve the following problem > so far: > > - kernel cmdline is limited resource and large machines tend to have many > memory ranges that may excceed kernel cmdline limit size. > - kASLR doesn't work with memmap=exactmap, because kASLR happens early than > user defined memmap=exactmap takes effect. > > Unfortunately, saved_max_pfn still got its user out there (calgry pci, it looks > like the only one). So for backward compatibility, I'm introducing a new option > --pass-memmap-cmdline to force kexec-tools to pass memmap=exactmap, the old way. > > This patchset contains massive updates from the previous one. I take some > suggestions from reviewers. I try to split the changes into smaller pieces and > keep the whole change as minimal as I can so it wouldn't be too harsh to review > the patch. > > Any comment is appreciate! > > v5->v4: > Dave: > - separate add_setup_data() to another patch > Vivek: > - adding comments for setup_data > - store crash memory range info golobally in kexec_info > > v3->v4: > Linn: check return value of malloc (use xmalloc). > me: fix dbgprintf_mem_range. > > v2->v3: > Linn: > - do not free sd (setup_data) buffer. > - reuse code in setup_e820 and setup_e820_ext. > > v1->v2: > Vivek: > - Use function instead of macro for dbgprint_mem_range > - Do not pass reserved memory range for kdump. It could addressed later > separately. > > WANG Chao (10): > x86, cleanup: fix indent > x86, cleanup: add extra arguments to add_memmap() and delete_memmap() > x86, cleanup: add other types of memory range for 2nd kernel boot to > memmap_p > x86, cleanup: add_memmap() only do alignment check on RANGE_RAM > x86, cleanup: use dbgprint_mem_range for memory range debugging > x86, cleanup: increase CRASH_MAX_MEMMAP_NR up to > CRASH_MAX_MEMORY_RANGES > x86, cleanup: Store crash memory ranges kexec_info > x86, cleanup: Add a funtion add_setup_data() > x86: add --pass-memmap-cmdline option > x86: Pass memory range via E820 for kdump > > kexec/arch/i386/crashdump-x86.c | 79 +++++++-------- > kexec/arch/i386/crashdump-x86.h | 2 +- > kexec/arch/i386/include/arch/options.h | 2 + > kexec/arch/i386/kexec-x86.c | 4 + > kexec/arch/i386/kexec-x86.h | 1 + > kexec/arch/i386/x86-linux-setup.c | 175 ++++++++++++++++++++++----------- > kexec/arch/i386/x86-linux-setup.h | 1 + > kexec/arch/x86_64/kexec-x86_64.c | 5 + > kexec/kexec.h | 2 + > 9 files changed, 171 insertions(+), 100 deletions(-) Hi, Here is what I received, seems there's some duplicate patches? 2535 T 04/10 WANG Chao [PATCH v5 00/10] kexec-tools, x86: E820 memmap pass for kdump 2536 T 04/10 WANG Chao [PATCH v5 01/10] x86, cleanup: fix indent 2537 T 04/10 WANG Chao [PATCH v5 02/10] x86, cleanup: add extra arguments to add_memmap() and delete_memmap() 2538 T 04/10 WANG Chao [PATCH v5 03/10] x86, cleanup: add other types of memory range for 2nd kernel boot to memmap_ 2539 T 04/10 WANG Chao [PATCH v5 04/10] x86, cleanup: add_memmap() only do alignment check on RANGE_RAM 2540 T 04/10 WANG Chao [PATCH v5 05/10] x86, cleanup: use dbgprint_mem_range for memory range debugging 2541 T 04/10 WANG Chao [PATCH v5 06/10] x86, cleanup: increase CRASH_MAX_MEMMAP_NR up to CRASH_MAX_MEMORY_RANGES 2542 T 04/10 WANG Chao [PATCH v5 06/10] x86, cleanup: Store crash memory ranges kexec_info 2543 T 04/10 WANG Chao [PATCH v5 07/10] x86, cleanup: Add a funtion add_setup_data() 2544 T 04/10 WANG Chao [PATCH v5 07/10] x86, cleanup: Store crash memory ranges kexec_info There's another [PATCH v5 06/10] x86, cleanup: Store crash memory ranges kexec_info 2545 T 04/10 WANG Chao [PATCH v5 08/10] x86: add --pass-memmap-cmdline option 2546 T 04/10 WANG Chao [PATCH v5 08/10] x86, cleanup: Add a funtion add_setup_data() There's another [PATCH v5 07/10] x86, cleanup: Add a funtion add_setup_data() 2547 T 04/10 WANG Chao [PATCH v5 09/10] x86: add --pass-memmap-cmdline option 2548 T 04/10 WANG Chao [PATCH v5 09/10] x86: Pass memory range via E820 for kdump Thanks Dave
