Buildresult: powerpc-next/mmu_defconfig/microblaze-gcc5 built on Aug 16 2019, 00:30

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	Aug 16 2019, 00:30
Duration:	0:00:29.798662
Builder:	ka4
Revision:	powerpc/powernv/ioda2: Create bigger default window with 64k IOMMU pages (`f74fc58f295a45c29b565a898d869034099ca9a1)`
Target:	powerpc-next/mmu_defconfig/microblaze-gcc5
Branch:	powerpc-next
Compiler:	microblaze-gcc5 (microblazeel-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.26.1)
Config:	mmu_defconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify f74fc58f295a45c29b565a898d869034099ca9a1^{commit} f74fc58f295a45c29b565a898d869034099ca9a1 already have revision, skipping fetch # git checkout -q -f -B kisskb f74fc58f295a45c29b565a898d869034099ca9a1 # git clean -qxdf # < git log -1 # commit f74fc58f295a45c29b565a898d869034099ca9a1 # Author: Alexey Kardashevskiy <aik@ozlabs.ru> # Date: Thu Jul 18 15:11:39 2019 +1000 # # powerpc/powernv/ioda2: Create bigger default window with 64k IOMMU pages # # At the moment we create a small window only for 32bit devices, the window # maps 0..2GB of the PCI space only. For other devices we either use # a sketchy bypass or hardware bypass but the former can only work if # the amount of RAM is no bigger than the device's DMA mask and the latter # requires devices to support at least 59bit DMA. # # This extends the default DMA window to the maximum size possible to allow # a wider DMA mask than just 32bit. The default window size is now limited # by the the iommu_table::it_map allocation bitmap which is a contiguous # array, 1 bit per an IOMMU page. # # This increases the default IOMMU page size from hard coded 4K to # the system page size to allow wider DMA masks. # # This increases the level number to not exceed the max order allocation # limit per TCE level. By the same time, this keeps minimal levels number # as 2 in order to save memory. # # As the extended window now overlaps the 32bit MMIO region, this adds # an area reservation to iommu_init_table(). # # After this change the default window size is 0x80000000000==1<<43 so # devices limited to DMA mask smaller than the amount of system RAM can # still use more than just 2GB of memory for DMA. # # This is an optimization and not a bug fix for DMA API usage. # # With the on-demand allocation of indirect TCE table levels enabled and # 2 levels, the first TCE level size is just # 1<<ceil((log2(0x7ffffffffff+1)-16)/2)=16384 TCEs or 2 system pages. # # Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20190718051139.74787-5-aik@ozlabs.ru # < /opt/cross/kisskb/br-microblaze-full-2016.08-613-ge98b4dd/bin/microblazeel-linux-gcc --version # < /opt/cross/kisskb/br-microblaze-full-2016.08-613-ge98b4dd/bin/microblazeel-linux-ld --version # < git log --format=%s --max-count=1 f74fc58f295a45c29b565a898d869034099ca9a1 # < make -s -j 120 ARCH=microblaze O=/kisskb/build/powerpc-next_mmu_defconfig_microblaze CROSS_COMPILE=/opt/cross/kisskb/br-microblaze-full-2016.08-613-ge98b4dd/bin/microblazeel-linux- mmu_defconfig # make -s -j 120 ARCH=microblaze O=/kisskb/build/powerpc-next_mmu_defconfig_microblaze CROSS_COMPILE=/opt/cross/kisskb/br-microblaze-full-2016.08-613-ge98b4dd/bin/microblazeel-linux- Kernel: arch/microblaze/boot/linux.bin is ready (#1) Completed OK # rm -rf /kisskb/build/powerpc-next_mmu_defconfig_microblaze # Build took: 0:00:29.798662

© Michael Ellerman 2006-2018.