Buildresult: powerpc-next/amigaone_defconfig/powerpc-gcc5 built on Aug 16 2019, 01:01
kisskb
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Status:
OK
Date/Time:
Aug 16 2019, 01:01
Duration:
0:00:47.372811
Builder:
ka3
Revision:
powerpc/powernv/ioda2: Create bigger default window with 64k IOMMU pages (
f74fc58f295a45c29b565a898d869034099ca9a1)
Target:
powerpc-next/amigaone_defconfig/powerpc-gcc5
Branch:
powerpc-next
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
amigaone_defconfig
(
download
)
Log:
Download original
Possible warnings (2)
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
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/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 f74fc58f295a45c29b565a898d869034099ca9a1 # < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_amigaone_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- amigaone_defconfig # make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_amigaone_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1651:6: note: 'oldval' was declared here int oldval, ret; ^ INFO: Uncompressed kernel (size 0x6274c4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x700000) Image Name: Linux-5.3.0-rc2+ Created: Fri Aug 16 01:02:04 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3123211 Bytes = 3050.01 KiB = 2.98 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.3.0-rc2+ Created: Fri Aug 16 01:02:04 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 3153777 Bytes = 3079.86 KiB = 3.01 MiB Load Address: 00800000 Entry Point: 00800144 Completed OK # rm -rf /kisskb/build/powerpc-next_amigaone_defconfig_powerpc-gcc5 # Build took: 0:00:47.372811
© Michael Ellerman 2006-2018.