linux-kernel - Re: Linux 6.15-rc1

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Message-ID: <75ec6d07-24f3-47b1-9632-ff53ef12c1ab@roeck-us.net>
Date: Mon, 7 Apr 2025 08:14:09 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 6.15-rc1

On Sun, Apr 06, 2025 at 01:32:47PM -0700, Linus Torvalds wrote:
> It's been two weeks, and the merge window is now over.
> 
> As expected, this was one of the bigger merge windows, almost
> certainly just because we had some pent-up development due to the
> previous releases being impacted by the holiday season.
> 

Build results:
	total: 161 pass: 155 fail: 6
Failed builds:
	alpha:allmodconfig
	csky:allmodconfig
	openrisc:allmodconfig
	parisc:allmodconfig
	x86_64:allyesconfig
	xtensa:allmodconfig
Qemu test results:
	total: 634 pass: 625 fail: 9
Failed tests:
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:ext2
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:erofs
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:f2fs
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:ext2
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:erofs
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:f2fs
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:btrfs
	mipsel64:boston:64r6el_defconfig:notests:nonet:smp:ide:cd
	xtensa:de212:kc705-nommu:nommu_kc705_defconfig
Unit test results:
	pass: 595857 fail: 0

Most (but not all) of the problems have been reported, and fixes are
pending.

Build failures:

In file included from drivers/net/wireless/intel/iwlwifi/mld/tests/utils.c:18:
drivers/net/wireless/intel/iwlwifi/mld/tests/../iface.h:169:5: warning: "CONFIG_PM_SLEEP" is not defined, evaluates to 0 [-Wundef]
  169 | #if CONFIG_PM_SLEEP

drivers/net/wireless/intel/iwlwifi/mld/mac80211.c: In function 'iwl_mld_mac80211_start':
drivers/net/wireless/intel/iwlwifi/mld/mac80211.c:504:20: warning: 'ret' is used uninitialized [-Wuninitialized]
  504 |         if (!in_d3 || ret) {

drivers/net/wireless/intel/iwlwifi/mld/mac80211.c:1982:12: error: 'iwl_mld_resume' defined but not used [-Werror=unused-function]
 1982 | static int iwl_mld_resume(struct ieee80211_hw *hw)
      |            ^~~~~~~~~~~~~~

drivers/net/wireless/intel/iwlwifi/mld/mac80211.c:1960:1: error: 'iwl_mld_suspend' defined but not used [-Werror=unused-function]
 1960 | iwl_mld_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
      | ^~~~~~~~~~~~~~~

drivers/net/wireless/intel/iwlwifi/mld/mac80211.c:1946:13: error: 'iwl_mld_set_wakeup' defined but not used [-Werror=unused-function]
 1946 | static void iwl_mld_set_wakeup(struct ieee80211_hw *hw, bool enabled)
      |             ^~~~~~~~~~~~~~~~~~

Triggered by commit d1e879ec600f9 ("wifi: iwlwifi: add iwlmld sub-driver").
The code was not build tested with CONFIG_PM disabled.

Building x86_64:allyesconfig ... failed
--------------
Error log:
x86_64-linux-ld: kernel image bigger than KERNEL_IMAGE_SIZE

No idea what to do here. Increase KERNEL_IMAGE_SIZE ? Disable some options ?

Building xtensa:allmodconfig ... failed

ERROR: modpost: "__divdi3" [drivers/gpu/drm/xe/xe.ko] undefined!
ERROR: modpost: "__udivdi3" [drivers/gpu/drm/xe/xe.ko] undefined!

Commit 9c44fd5f6e8a ("drm/xe: Add migrate layer functions for SVM support")
didn't watch out for 64-bit divide operations.

Building xtensa:de212:kc705-nommu:nommu_kc705_defconfig ... failed
------------
Error log:
kernel/trace/trace.o:(.init.literal+0x250): undefined reference to `get_vm_area'

get_vm_area() is undefined for non-mmu buids. Triggered by commit 394f3f02de53
("tracing: Use vmap_page_range() to map memmap ring buffer").

====================
Runtime failures:

mipsel64:boston:
	Triggered by "PCI: Perform reset_resource() and build fail list in sync"
	and "PCI: Rework optional resource handling" which don't take particulars
	of that platform into account.