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SubjectRe: Linux 4.19-rc1
On Sun, Aug 26, 2018 at 02:49:14PM -0700, Linus Torvalds wrote:
> So two weeks have passed, and the merge window for 4.19 is over.
>
[ ... ]
>
> Anyway, go forth and test,
>

Build results:
total: 132 pass: 129 fail: 3
Failed builds:
riscv:defconfig
riscv:allnoconfig
sparc32:allmodconfig
Qemu test results:
total: 299 pass: 297 fail: 2
Failed tests:
riscv:virt:defconfig:initrd
riscv:virt:defconfig:virtio-blk:rootfs

---
riscv:

In file included from arch/riscv/include/asm/tlb.h:17:0,
from arch/riscv/include/asm/pgalloc.h:19,
from arch/riscv/mm/fault.c:30:
include/asm-generic/tlb.h: In function 'tlb_flush_mmu_tlbonly':
include/asm-generic/tlb.h:147:2: error: implicit declaration of function 'tlb_flush'

Known problem, patch submitted.

---
sparc32:allmodconfig:

arch/sparc/kernel/head_32.o: In function `current_pc':
arch/sparc/kernel/.tmp_head_32.o:(.head.text+0x5040): relocation truncated to fit: R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/head_32.o: In function `halt_notsup':
arch/sparc/kernel/.tmp_head_32.o:(.head.text+0x5100): relocation truncated to fit: R_SPARC_WDISP22 against `.init.text'
arch/sparc/kernel/head_32.o: In function `leon_init':
arch/sparc/kernel/.tmp_head_32.o:(.init.text+0xa4): relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section
in arch/sparc/kernel/trampoline_32.o
arch/sparc/kernel/process_32.o:(.fixup+0x4): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/process_32.o:(.fixup+0xc): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x0): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x8): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x10): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x18): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x20): relocation truncated to fit: R_SPARC_WDISP22 against `.text'
arch/sparc/kernel/signal_32.o:(.fixup+0x28): additional relocation overflows omitted from the output

For the most part this is due to calls / short jumps between .head.text,
.text, and .init.text. Probably old, now seen because the image is now
too large.

---
On top of that, there are various runtime warnings.

sh:

WARNING: CPU: 0 PID: 932 at mm/slab.c:2666 cache_alloc_refill+0x8a/0x594

Known problem. Fix was under discussion. I don't know if it was accepted.

https://marc.info/?t=153301426900002&r=1&w=2
https://www.spinics.net/lists/linux-sh/msg53298.html

---
sparc:

WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 esp_sbus_probe+0x408/0x6e8
WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 sparc_lance_probe_one+0x428/0x4f

Missing initialization of coherent_dma_mask in the respective drivers.

---
Each platform driver instantiated through a devicetree node now generates
the following warning:

esp ffd38e00: DMA mask not set

It isn't a traceback so it may fly under the radar. There is nothing the
drivers can do about it; the message is generated by the core before the
driver probe function is called. No idea what a correct fix might be.

Guenter

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