Hi Ingo, Peter, Thomas, Is there anything else I need to do for accepting this patchset? Thanks, -Toshi On Tue, 2015-01-06 at 13:49 -0700, Toshi Kani wrote: > This patchset adds support of Write-Through (WT) mapping on x86. > The study below shows that using WT mapping may be useful for > non-volatile memory. > > http://www.hpl.hp.com/techreports/2012/HPL-2012-236.pdf > > All new/modified interfaces have been tested. > > v7: > - Rebased to 3.19-rc3 as Juergen's patchset for the PAT management > has been accepted. > > v6: > - Dropped the patch moving [set|get]_page_memtype() to pat.c > since the tip branch already has this change. > - Fixed an issue when CONFIG_X86_PAT is not defined. > > v5: > - Clarified comment of why using slot 7. (Andy Lutomirski, > Thomas Gleixner) > - Moved [set|get]_page_memtype() to pat.c. (Thomas Gleixner) > - Removed BUG() from set_page_memtype(). (Thomas Gleixner) > > v4: > - Added set_memory_wt() by adding WT support of regular memory. > > v3: > - Dropped the set_memory_wt() patch. (Andy Lutomirski) > - Refactored the !pat_enabled handling. (H. Peter Anvin, > Andy Lutomirski) > - Added the picture of PTE encoding. (Konrad Rzeszutek Wilk) > > v2: > - Changed WT to use slot 7 of the PAT MSR. (H. Peter Anvin, > Andy Lutomirski) > - Changed to have conservative checks to exclude all Pentium 2, 3, > M, and 4 families. (Ingo Molnar, Henrique de Moraes Holschuh, > Andy Lutomirski) > - Updated documentation to cover WT interfaces and usages. > (Andy Lutomirski, Yigal Korman) > > --- > Toshi Kani (7): > 1/7 x86, mm, pat: Set WT to PA7 slot of PAT MSR > 2/7 x86, mm, pat: Change reserve_memtype() to handle WT > 3/7 x86, mm, asm-gen: Add ioremap_wt() for WT > 4/7 x86, mm, pat: Add pgprot_writethrough() for WT > 5/7 x86, mm, pat: Refactor !pat_enable handling > 6/7 x86, mm, asm: Add WT support to set_page_memtype() > 7/7 x86, mm: Add set_memory_wt() for WT > > --- > Documentation/x86/pat.txt | 13 ++- > arch/x86/include/asm/cacheflush.h | 6 +- > arch/x86/include/asm/io.h | 2 + > arch/x86/include/asm/pgtable_types.h | 3 + > arch/x86/mm/init.c | 6 +- > arch/x86/mm/iomap_32.c | 12 +-- > arch/x86/mm/ioremap.c | 26 ++++- > arch/x86/mm/pageattr.c | 61 ++++++++++-- > arch/x86/mm/pat.c | 184 ++++++++++++++++++++++++----------- > include/asm-generic/io.h | 9 ++ > include/asm-generic/iomap.h | 4 + > include/asm-generic/pgtable.h | 4 + > 12 files changed, 244 insertions(+), 86 deletions(-) > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxx. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>