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0bdf4a8bf0
- Add empty command line parameter handling stubs to kernel for all command line parameters which are handled in the decompressor. This avoids invalid "Unknown kernel command line parameters" messages from the kernel, and also avoids that these will be incorrectly passed to user space. This caused already confusion, therefore add the empty stubs - Add missing phys_to_virt() handling to machine check handler - Introduce and use a union to be used for zcrypt inline assemblies. This makes sure that only a register wide member of the union is passed as input and output parameter to inline assemblies, while usual C code uses other members of the union to access bit fields of it - Add and use a READ_ONCE_ALIGNED_128() macro, which can be used to atomically read a 128-bit value from memory. This replaces the (mis-)use of the 128-bit cmpxchg operation to do the same in cpum_sf code. Currently gcc does not generate the used lpq instruction if __READ_ONCE() is used for aligned 128-bit accesses, therefore use this s390 specific helper - Simplify machine check handler code if a task needs to be killed because of e.g. register corruption due to a machine malfunction - Perform CPU reset to clear pending interrupts and TLB entries on an already stopped target CPU before delegating work to it - Generate arch/s390/boot/vmlinux.map link map for the decompressor, when CONFIG_VMLINUX_MAP is enabled for debugging purposes - Fix segment type handling for dcssblk devices. It incorrectly always returned type "READ/WRITE" even for read-only segements, which can result in a kernel panic if somebody tries to write to a read-only device - Sort config S390 select list again - Fix two kprobe reenter bugs revealed by a recently added kprobe kunit test -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmQB5LgACgkQIg7DeRsp bsLvPRAAojiU7uZTDKL58Ta67D7gyWWZa6ClI7MHrtEwEM70cOZHmOYToFuyapbT Af+PBg8YcqDDHxGf+HNuxnYRI4y2hGJUyjURZmGuCzPPJ5IGvy+8/X0d0wsvclqC fWeTtVvZIxdu5NdBQTs1iMCCxPXg9OfGDVCU+P/pnrlKskHorA6a2ZWGdkpae3fj kd1pgLLcZq0Jf8+Q6bSLBZjm45R/Q+qEpd8eIOncP7xrQTpLPkLxRSrnZLPtYdLu 7uUDtzEC63x7/0Weri71ZQqbc22CzHNiF6FZj5sm78KsWmparmUUsns/U5CrEO4J e85/kPXjgfvwMZdQCXSPHZJ8CGTRzN6Zl/Lym9W5+9X6cgb1WNVNCATGZIG3HueA MYnXmLkmNmaEgsckcYbCVPR9SjIwVibIL+/32hH63oUnc8WnrbVlai/G57j0dRUg +kxVvwbxaDyesRbF7XKe4PssYZJxpO+QFIhnvo6EEghUuc32o+WVNqjoU04/VBaa i2FtbARGDWWs5+EwS9td/xHiFPQHpFCJHrMbxacEQmtDbOTOhoLbxNlP17YfQ2oD ch0QCZ1w0VwE9ehMRLmZQCem51n7aPt11tKOEFKsck4Mb1dXVLW9LWwNpjIBXrIo 2g4U4Ytj2I9HbxWMJmKmLsP4NHn2oG3A+uGUkSWf/wdDTfylB30= =zZId -----END PGP SIGNATURE----- Merge tag 's390-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Heiko Carstens: - Add empty command line parameter handling stubs to kernel for all command line parameters which are handled in the decompressor. This avoids invalid "Unknown kernel command line parameters" messages from the kernel, and also avoids that these will be incorrectly passed to user space. This caused already confusion, therefore add the empty stubs - Add missing phys_to_virt() handling to machine check handler - Introduce and use a union to be used for zcrypt inline assemblies. This makes sure that only a register wide member of the union is passed as input and output parameter to inline assemblies, while usual C code uses other members of the union to access bit fields of it - Add and use a READ_ONCE_ALIGNED_128() macro, which can be used to atomically read a 128-bit value from memory. This replaces the (mis-)use of the 128-bit cmpxchg operation to do the same in cpum_sf code. Currently gcc does not generate the used lpq instruction if __READ_ONCE() is used for aligned 128-bit accesses, therefore use this s390 specific helper - Simplify machine check handler code if a task needs to be killed because of e.g. register corruption due to a machine malfunction - Perform CPU reset to clear pending interrupts and TLB entries on an already stopped target CPU before delegating work to it - Generate arch/s390/boot/vmlinux.map link map for the decompressor, when CONFIG_VMLINUX_MAP is enabled for debugging purposes - Fix segment type handling for dcssblk devices. It incorrectly always returned type "READ/WRITE" even for read-only segements, which can result in a kernel panic if somebody tries to write to a read-only device - Sort config S390 select list again - Fix two kprobe reenter bugs revealed by a recently added kprobe kunit test * tag 's390-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/kprobes: fix current_kprobe never cleared after kprobes reenter s390/kprobes: fix irq mask clobbering on kprobe reenter from post_handler s390/Kconfig: sort config S390 select list again s390/extmem: return correct segment type in __segment_load() s390/decompressor: add link map saving s390/smp: perform cpu reset before delegating work to target cpu s390/mcck: cleanup user process termination path s390/cpum_sf: use READ_ONCE_ALIGNED_128() instead of 128-bit cmpxchg s390/rwonce: add READ_ONCE_ALIGNED_128() macro s390/ap,zcrypt,vfio: introduce and use ap_queue_status_reg union s390/nmi: fix virtual-physical address confusion s390/setup: do not complain about parameters handled in decompressor |
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