s390 architecture · Supported

Maintainers

• M Heiko Carstens <hca@linux.ibm.com>
• M Vasily Gorbik <gor@linux.ibm.com>
• M Alexander Gordeev <agordeev@linux.ibm.com>
• R Christian Borntraeger <borntraeger@linux.ibm.com>
• R Sven Schnelle <svens@linux.ibm.com>

Paths

• F Documentation/driver-api/s390-drivers.rst
• F Documentation/arch/s390/
• F arch/s390/
• F drivers/s390/
• F drivers/watchdog/diag288_wdt.c

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH 0/2] Remove pcrypt
  2026-07-13 22:33 · 1 reply in 7d · Eric Biggers <ebiggers@kernel.org>
• WARM2d [PATCH] crypto: pcrypt - Remove pcrypt
  2026-07-13 03:26 · 0 replies in 7d · Eric Biggers <ebiggers@kernel.org>

Recent patches

Most-recent 30 patches in this subsystem on linux-crypto (capped at 30), ordered by date desc.

• WARM1d [PATCH 1/2] crypto: pcrypt - Remove pcrypt
  2026-07-13 · Eric Biggers <ebiggers@kernel.org>
• WARM2d [PATCH] crypto: pcrypt - Remove pcrypt
  2026-07-13 · Eric Biggers <ebiggers@kernel.org>
• COLD35d REVIEWED: 8 (8M) [PATCH net-next v2 5/5] crypto: pcbc - Remove support for PCBC mode
  2026-05-22 · Eric Biggers <ebiggers@kernel.org>
• COLD35d REVIEWED: 8 (8M) [PATCH net-next v2 4/5] crypto: fcrypt - Remove support for FCrypt block cipher
  2026-05-22 · Eric Biggers <ebiggers@kernel.org>
• COLD47d [PATCH] s390: crypto: add select CRYPTO_AEAD for aes
  2026-05-20 · Arnd Bergmann <arnd@kernel.org>
• COLD60d [PATCH net-next 4/5] crypto: fcrypt - Remove support for FCrypt block cipher
  2026-04-28 · Eric Biggers <ebiggers@kernel.org>
• COLD60d [PATCH net-next 5/5] crypto: pcbc - Remove support for PCBC mode
  2026-04-28 · Eric Biggers <ebiggers@kernel.org>
• STALE84d REVIEWED: 2 (2M) Re: [patch 35/38] s390: Select ARCH_HAS_RANDOM_ENTROPY
  2026-04-16 · Heiko Carstens <hca@linux.ibm.com>
• STALE98d REVIEWED: 2 (2M) [PATCH wireless-next v2 6/6] crypto: Remove michael_mic from crypto_shash API
  2026-04-08 · Eric Biggers <ebiggers@kernel.org>
• STALE99d [PATCH wireless-next 6/6] crypto: Remove michael_mic from crypto_shash API
  2026-04-05 · Eric Biggers <ebiggers@kernel.org>
• STALE76d REVIEWED: 2 (2M) [PATCH 18/28] s390: move the XOR code to lib/raid/
  2026-03-27 · Christoph Hellwig <hch@lst.de>
• STALE76d [PATCH 09/28] xor: remove macro abuse for XOR implementation registrations
  2026-03-27 · Christoph Hellwig <hch@lst.de>
• STALE76d [PATCH 08/28] xor: split xor.h
  2026-03-27 · Christoph Hellwig <hch@lst.de>
• STALE96d [PATCH 1/3] crypto: s390 - Remove des and des3_ede code
  2026-03-26 · Eric Biggers <ebiggers@kernel.org>
• STALE111d REVIEWED: 2 (2M) [PATCH 17/26] s390: move the XOR code to lib/raid/
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• STALE111d [PATCH 08/26] xor: remove macro abuse for XOR implementation registrations
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• STALE111d [PATCH 07/26] xor: split xor.h
  2026-03-24 · Christoph Hellwig <hch@lst.de>
• STALE112d LANDED [PATCH 03/12] crypto: sm3 - Rename CRYPTO_SM3_GENERIC to CRYPTO_SM3
  2026-03-21 · Eric Biggers <ebiggers@kernel.org>
• STALE113d LANDED [PATCH 13/19] lib/crypto: s390/ghash: Migrate optimized code into library
  2026-03-19 · Eric Biggers <ebiggers@kernel.org>
• STALE120d [PATCH 20/27] xor: make xor.ko self-contained in lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 17/27] s390: move the XOR code to lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 08/27] xor: remove macro abuse for XOR implementation registrations
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 07/27] xor: split xor.h
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE103d [PATCH 6/8] KVM: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE103d [PATCH 3/8] net: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE126d [PATCH 20/25] xor: make xor.ko self-contained in lib/raid/
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE126d [PATCH 17/25] s390: move the XOR code to lib/raid/
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE126d [PATCH 07/25] xor: split xor.h
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE126d [PATCH 08/25] xor: remove macro abuse for XOR implementation registrations
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE138d [PATCH] treewide: fix duplicated word "the" in comments
  2026-02-24 · Yousef El Bouzidi <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE165d REVIEWED: 4 (3M) [PATCH v2 2/4] s390/pkey: Support new xflag PKEY_XFLAG_NOCLEARKEY
  2026-01-15 · Harald Freudenberger <freude@linux.ibm.com> · 2 Reviewed-by
• STALE165d REVIEWED: 4 (3M) [PATCH v2 4/4] crypto: s390/paes - Refuse clear key material by default
  2026-01-15 · Harald Freudenberger <freude@linux.ibm.com> · 2 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE181d [PATCH 08/36] crypto: aes - Remove aes-fixed-time / CONFIG_CRYPTO_AES_TI
  2026-01-05 · Eric Biggers <ebiggers@kernel.org>
• STALE126d [PATCH 08/25] xor: remove macro abuse for XOR implementation registrations
  2026-02-26 · Christoph Hellwig <hch@lst.de>
• STALE103d [PATCH 3/8] net: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE103d [PATCH 6/8] KVM: use rest_of_page() macro where appropriate
  2026-03-04 · Yury Norov <hidden>
• STALE120d [PATCH 07/27] xor: split xor.h
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 08/27] xor: remove macro abuse for XOR implementation registrations
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 17/27] s390: move the XOR code to lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE120d [PATCH 20/27] xor: make xor.ko self-contained in lib/raid/
  2026-03-11 · Christoph Hellwig <hch@lst.de>
• STALE113d LANDED [PATCH 13/19] lib/crypto: s390/ghash: Migrate optimized code into library
  2026-03-19 · Eric Biggers <ebiggers@kernel.org>
• STALE112d LANDED [PATCH 03/12] crypto: sm3 - Rename CRYPTO_SM3_GENERIC to CRYPTO_SM3
  2026-03-21 · Eric Biggers <ebiggers@kernel.org>