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From: Alexander Gordeev <agordeev@linux.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Subject: [GIT PULL] s390 updates for final 7.1
Date: Thu, 11 Jun 2026 16:22:54 +0200	[thread overview]
Message-ID: <20260611142254.3501080A79-agordeev@linux.ibm.com> (raw)

Hi Linus,

please pull s390 updates for final 7.1.

Thanks,
Alexander Gordeev

The following changes since commit 7c6535c37dbc03c1c35926b7420d66fb122b513a:

  s390: Implement _THIS_IP_ using inline asm (2026-05-30 11:33:32 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-7.1-5

for you to fetch changes up to 1f57f68c4dd101e5e8ffc9ffa6428f45bcdd776a:

  s390: Remove GENERIC_LOCKBREAK Kconfig option (2026-06-08 18:59:07 +0200)

----------------------------------------------------------------
s390 fixes for final 7.1

- s390 selects GENERIC_LOCKBREAK when PREEMPT is enabled to tackle
  an old compile error that no longer exists. Since recently PREEMPT
  is always enabled, which causes massive performance regressions.
  Remove GENERIC_LOCKBREAK from s390 Kconfig to fix the degradation.

----------------------------------------------------------------
Heiko Carstens (1):
      s390: Remove GENERIC_LOCKBREAK Kconfig option

 arch/s390/Kconfig | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index ecbcbb781e40..9921a3772bf7 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -29,9 +29,6 @@ config GENERIC_BUG
 config GENERIC_BUG_RELATIVE_POINTERS
 	def_bool y
 
-config GENERIC_LOCKBREAK
-	def_bool y if PREEMPTION
-
 config AUDIT_ARCH
 	def_bool y
 

             reply	other threads:[~2026-06-11 14:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-11 14:22 Alexander Gordeev [this message]
2026-06-11 20:58 ` pr-tracker-bot

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