On 17/03/15 17:18, Will Deacon wrote: > On Mon, Mar 09, 2015 at 10:27:04AM +0000, Vladimir Murzin wrote: >> Memtest is a simple feature which fills the memory with a given set of >> patterns and validates memory contents, if bad memory regions is detected it >> reserves them via memblock API. Since memblock API is widely used by other >> architectures this feature can be enabled outside of x86 world. >> >> This patch set promotes memtest to live under generic mm umbrella and enables >> memtest feature for arm/arm64. >> >> It was reported that this patch set was useful for tracking down an issue with >> some errant DMA on an arm64 platform. >> >> Since it touches x86 and mm bits it'd be great to get ACK/NAK for these bits. > > Is your intention for akpm to merge this? I don't mind how it goes upstream, > but that seems like a sensible route to me. > It is already in -mm tree. Vladimir > Will > >> Changelog: >> >> RFC -> v1 >> - updated kernel-parameters.txt for memtest entry >> - updated number of test patterns in Kconfig menu >> - added Acked/Tested tags for arm64 bits >> - rebased on v4.0-rc3 >> >> Vladimir Murzin (6): >> mm: move memtest under /mm >> memtest: use phys_addr_t for physical addresses >> arm64: add support for memtest >> arm: add support for memtest >> Kconfig: memtest: update number of test patterns up to 17 >> Documentation: update arch list in the 'memtest' entry >> >> Documentation/kernel-parameters.txt | 2 +- >> arch/arm/mm/init.c | 3 + >> arch/arm64/mm/init.c | 2 + >> arch/x86/Kconfig | 11 ---- >> arch/x86/include/asm/e820.h | 8 --- >> arch/x86/mm/Makefile | 2 - >> arch/x86/mm/memtest.c | 118 ----------------------------------- >> include/linux/memblock.h | 8 +++ >> lib/Kconfig.debug | 11 ++++ >> mm/Makefile | 1 + >> mm/memtest.c | 118 +++++++++++++++++++++++++++++++++++ >> 11 files changed, 144 insertions(+), 140 deletions(-) >> delete mode 100644 arch/x86/mm/memtest.c >> create mode 100644 mm/memtest.c >> >> -- >> 1.7.9.5 >> > > -- > 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 from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html