Re: Linux 5.17-rc6

[Guenter Roeck <linux@roeck-us.net>]

On Sun, Feb 27, 2022 at 03:00:26PM -0800, Linus Torvalds wrote:
> Nobody can claim that last week was *normal*, but whatever crazy
> things are going on in the world (and I personally had "Zombie
> apocalypse" on my bingo card, not "Putin has a mental breakdown"), it
> doesn't seem to have affected the kernel much.
> 
> Things continue to look normal both in commit numbers and in
> diffstats. We have the usual bulk being drivers (networking, gpu, iio,
> clk, and usb stand out, but there's a smattering of other stuff), with
> the rest being mixed. The only thing that stands out as a bit unusual
> is some further btrfs defrag fixes.  But even they stand out not so
> much because they are enormous, as just because they are bigger than
> most of the rest, which is pretty small.
> 
> Other notable areas: core networking, tracing, and selftests. As
> usual, details are in the appended shortlog.
> 
> While things look reasonably normal, we _are_ getting pretty late in
> the release, and we still have a number of known regressions. They
> don't seem all that big and scary, but some of them were reported
> right after the rc1 release, so they are getting a bit long in the
> tooth. I'd hate to have to delay 5.17 just because of them, and I'm
> starting to be a bit worried here. I think all the affected
> maintainers know who they are...
> 
> So if you are a subsystem maintainer, and you have one of those
> regressions on your list, please go make them a priority. And if you
> don't know what I'm talking about, please do look up the reports by
> regzbot and Guenter Roeck. I added links below to make it really easy.
> 
> But on the whole things look fine. Just a few remaining warts is all.
> But the more testing to verify, the better.
> 
>                Linus
> 
> https://lore.kernel.org/all/164598944963.346832.10219407090470852309@leemhuis.info/
> https://lore.kernel.org/all/20220221024743.GA4097766@roeck-us.net/
> 

Build results:
	total: 155 pass: 153 fail: 2
Failed builds:
	powerpc:skiroot_defconfig
	sparc64:allmodconfig
Qemu test results:
	total: 488 pass: 487 fail: 1
Failed tests:
	arm:orangepi-pc:multi_v7_defconfig:usb1:net,nic:sun8i-h3-orangepi-pc:rootfs

---

Building powerpc:skiroot_defconfig ... failed
--------------
arch/powerpc/kernel/stacktrace.c: In function 'handle_backtrace_ipi':
arch/powerpc/kernel/stacktrace.c:171:9: error: implicit declaration of function 'nmi_cpu_backtrace'

Introduced with commit 1614b2b11fab29 ("arch: Make ARCH_STACKWALK
independent of STACKTRACE"). Discussed at
https://lore.kernel.org/lkml/YeE2VWwHO50gFw9M@hirez.programming.kicks-ass.net/T/

Fixed with commit 5a72345e6a78 ("powerpc: Fix STACKTRACE=n build") in linux-next.

---
Building arm:orangepi-pc:multi_v7_defconfig:usb1:net,nic:sun8i-h3-orangepi-pc:rootfs ... running ........R.... failed (no root file system)

Introduced with 8df89a7cbc63 ("pinctrl-sunxi: don't call
pinctrl_gpio_direction()"). Fix posted at
https://patchwork.kernel.org/project/linux-media/patch/0f536cd8-01db-5d16-2cec-ec6d19409a49@xs4all.nl/
and in linux-next as commit 3c5412cdec9f ("pinctrl-sunxi:
sunxi_pinctrl_gpio_direction_in/output: use correct offset").
The fix exposes a lockdep splat for which a fix is posted at
https://lore.kernel.org/lkml/20220216040037.22730-1-samuel@sholland.org/

---
Building sparc64:allmodconfig ... failed
--------------
Error log:
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
sparc64-linux-ld: drivers/memory/omap-gpmc.o: in function `gpmc_probe_generic_child':
omap-gpmc.c:(.text.unlikely+0x14c4): undefined reference to `of_platform_device_create'

Introduced by commit 4cd335dae3cf ("mtd: rawnand: omap2: Prevent invalid
configuration and build error").
Reported: https://lore.kernel.org/lkml/20220219150836.GA1035394@roeck-us.net/T/#t
Fix: https://patchwork.ozlabs.org/project/linux-mtd/patch/20220219193600.24892-1-rogerq@kernel.org/

Guenter