| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20121107161144.GA18353@phenom.dumpdata.com> Date: Wed, 7 Nov 2012 11:11:44 -0500 From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> To: Yinghai Lu <yinghai@...nel.org> Cc: "H. Peter Anvin" <hpa@...or.com>, Stefano Stabellini <Stefano.Stabellini@...citrix.com>, Andrew Morton <akpm@...ux-foundation.org>, Jacob Shin <jacob.shin@....com>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Tejun Heo <tj@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH -v3 0/7] x86: Use BRK to pre mapping page table to make xen happy On Mon, Nov 05, 2012 at 12:25:12PM -0800, Yinghai Lu wrote: > On Sat, Nov 3, 2012 at 2:37 PM, H. Peter Anvin <hpa@...or.com> wrote: > > I am travelling at the moment... I hope to be able to look at it Sunday. > >> > >>can you put for-x86-mm-test to tip for more testing? > >> > >>or you want to rebase the whole patchset? > > All, > > please check branch that is rebased on top of 3.7-rc4. > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > for-x86-mm I did a overnight test and it passed that. Let me do a couple of more of bootups with various memory configurations (1GB, 2GB, 3333M, 4G, 8GB, 16GB, 32GB) to get a good feel. Thanks! > > Stefano, Konrad, > please check them with xen parts, and give your acked-by or > Reviewed-by accordingly. > > Thanks > > Yinghai > > > >From 1b66ccf15ff4bd0200567e8d70446a8763f96ee7 Mon Sep 17 00:00:00 2001 > From: Yinghai Lu <yinghai@...nel.org> > Date: Mon, 5 Nov 2012 11:54:12 -0800 > Subject: [PATCH v6 00/42] x86, mm: map ram from top-down with BRK and memblock. > > rebase patchset together tip/x86/mm2 on top of linus v3.7-rc4 > > so this one include patchset : x86, mm: init_memory_mapping cleanup > in tip/x86/mm2 > --- > Current kernel init memory mapping between [0, TOML) and [4G, TOMH) > Some AMD systems have mem hole between 4G and TOMH, around 1T. > According to HPA, we should only mapping ram range. > 1. Seperate calculate_table_space_size and find_early_page_table out with > init_memory_mapping. > 2. For all ranges, will allocate page table one time > 3. init mapping for ram range one by one. > --- > > pre mapping page table patcheset includes: > 1. use brk to mapping first PMD_SIZE range under end of ram. > 2. top down to initialize page table range by range. > 3. get rid of calculate_page_table, and find_early_page_table. > 4. remove early_ioremap in page table accessing. > 5. remove workaround in xen to mark page RO. > > v2: changes, update xen interface about pagetable_reserve, so not > use pgt_buf_* in xen code directly. > v3: use range top-down to initialize page table, so will not use > calculating/find early table anymore. > also reorder the patches sequence. > v4: add mapping_mark_page_ro to fix xen, also move pgt_buf_* to init.c > and merge alloc_low_page(), and for 32bit need to add alloc_low_pages > to fix 32bit kmap setting. > v5: remove mark_page_ro workaround and add another 5 cleanup patches. > v6: rebase on v3.7-rc4 and add 4 cleanup patches. > > could be found at: > git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git > for-x86-mm > > 1b66ccf: mm: Kill NO_BOOTMEM version free_all_bootmem_node() > 0332736: sparc, mm: Remove calling of free_all_bootmem_node() > 0f88d27: x86, mm: kill numa_64.h > 10c4c68: x86, mm: kill numa_free_all_bootmem() > 0187d6e: x86, mm: Let "memmap=" take more entries one time > 2c20fd0: x86, mm: Use clamp_t() in init_range_memory_mapping > 770db30: x86, mm: Move after_bootmem to mm_internel.h > d9bd282: x86, mm: Unifying after_bootmem for 32bit and 64bit > 003d654: x86, mm: use limit_pfn for end pfn > 29f27b8: x86, mm: use pfn instead of pos in split_mem_range > 8edaab8: x86, mm: use PFN_DOWN in split_mem_range() > e652c73: x86, mm: use round_up/down in split_mem_range() > 5fd1391: x86, mm: Add check before clear pte above max_low_pfn on 32bit > f4fd136: x86, mm: Move function declaration into mm_internal.h > ea421df: x86, mm: change low/hignmem_pfn_init to static on 32bit > 867525b: x86, mm: Move init_gbpages() out of setup.c > 97fb23a: x86, mm: Move back pgt_buf_* to mm/init.c > ba55b2f: x86, mm: only call early_ioremap_page_table_range_init() once > bb6d2d9: x86, mm: Add pointer about Xen mmu requirement for alloc_low_pages > 6bc7e9f: x86, mm: Add alloc_low_pages(num) > d90df25: x86, mm, Xen: Remove mapping_pagetable_reserve() > f6699d2: x86, mm: Move min_pfn_mapped back to mm/init.c > 675697b: x86, mm: Merge alloc_low_page between 64bit and 32bit > a14a382: x86, mm: Remove parameter in alloc_low_page for 64bit > a0d7a52: x86, mm: Remove early_memremap workaround for page table > accessing on 64bit > 384a79d: x86, mm: setup page table in top-down > 16252f2: x86, mm: Break down init_all_memory_mapping > 255a0bf: x86, mm: Don't clear page table if range is ram > 4bc70c5: x86, mm: Use big page size for small memory range > dc62aa8: x86, mm: Align start address to correct big page size > 18f374c: x86: Only direct map addresses that are marked as E820_RAM > 150387c: x86: Fixup code testing if a pfn is direct mapped > 45cb049: x86: if kernel .text .data .bss are not marked as E820_RAM, > complain and fix > 8d0b8bd: x86, mm: Set memblock initial limit to 1M > 6c712cf: x86, mm: Separate out calculate_table_space_size() > 33b0520: x86, mm: Find early page table buffer together > a95ff4b: x86, mm: Change find_early_table_space() paramters > ea564f8: x86, mm: Revert back good_end setting for 64bit > 912c686: x86, mm: Move init_memory_mapping calling out of setup.c > 47cfa63: x86, mm: Move down find_early_table_space() > 060ed6c: x86, mm: Split out split_mem_range from init_memory_mapping > 2ad38b5: x86, mm: Add global page_size_mask and probe one time only > > arch/sparc/mm/init_64.c | 24 +- > arch/x86/include/asm/init.h | 21 +-- > arch/x86/include/asm/numa.h | 2 - > arch/x86/include/asm/numa_64.h | 6 - > arch/x86/include/asm/page_types.h | 2 + > arch/x86/include/asm/pgtable.h | 2 + > arch/x86/include/asm/pgtable_types.h | 1 - > arch/x86/include/asm/x86_init.h | 12 - > arch/x86/kernel/acpi/boot.c | 1 - > arch/x86/kernel/cpu/amd.c | 9 +- > arch/x86/kernel/cpu/intel.c | 1 - > arch/x86/kernel/e820.c | 16 ++- > arch/x86/kernel/setup.c | 70 ++---- > arch/x86/kernel/x86_init.c | 4 - > arch/x86/mm/init.c | 445 ++++++++++++++++++++++------------ > arch/x86/mm/init_32.c | 106 +++++--- > arch/x86/mm/init_64.c | 140 ++++------- > arch/x86/mm/mm_internal.h | 19 ++ > arch/x86/mm/numa_64.c | 13 - > arch/x86/platform/efi/efi.c | 7 +- > arch/x86/xen/mmu.c | 28 --- > include/linux/mm.h | 1 - > mm/nobootmem.c | 14 - > 23 files changed, 480 insertions(+), 464 deletions(-) > delete mode 100644 arch/x86/include/asm/numa_64.h > create mode 100644 arch/x86/mm/mm_internal.h > > -- > 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists