linux/arch/s390
Linus Torvalds 0bdf4a8bf0 s390 updates for 6.3 merge window part 2
- 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
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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
2023-03-03 09:38:01 -08:00
..
appldata s390/appldata: remove power management callbacks 2022-12-02 18:25:04 +01:00
boot s390/decompressor: add link map saving 2023-02-28 13:19:06 +01:00
configs vfio-mdev: turn VFIO_MDEV into a selectable symbol 2023-01-23 11:26:29 -07:00
crypto This update includes the following changes: 2023-02-21 18:10:50 -08:00
hypfs s390/hypfs: remove unused info_blk_hdr__pcpus() function 2022-11-23 16:24:07 +01:00
include s390 updates for 6.3 merge window part 2 2023-03-03 09:38:01 -08:00
kernel s390 updates for 6.3 merge window part 2 2023-03-03 09:38:01 -08:00
kvm * Two more V!=R patches 2023-02-15 12:35:26 -05:00
lib s390/kprobes: replace kretprobe with rethook 2023-01-22 18:42:35 +01:00
mm s390 updates for 6.3 merge window part 2 2023-03-03 09:38:01 -08:00
net s390/bpf: Implement bpf_jit_supports_kfunc_call() 2023-01-29 19:16:29 -08:00
pci iommu/s390: Use GFP_KERNEL in sleepable contexts 2023-01-25 11:52:07 +01:00
purgatory s390/purgatory: Remove unused '-MD' and unnecessary '-c' flags 2023-01-26 12:43:05 +09:00
tools KVM: s390: Add facility 197 to the allow list 2022-07-13 15:25:25 +02:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig s390 updates for 6.3 merge window part 2 2023-03-03 09:38:01 -08:00
Kconfig.debug s390/Kconfig.debug: fix indentation 2022-06-01 12:03:15 +02:00
Makefile s390: always build relocatable kernel 2022-11-08 19:32:32 +01:00