mirror of
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bc46b7cbc5
- Standardize on the __ASSEMBLER__ macro that is provided by GCC and Clang compilers and replace __ASSEMBLY__ with __ASSEMBLER__ in both uapi and non-uapi headers - Explicitly include <linux/export.h> in architecture and driver files which contain an EXPORT_SYMBOL() and remove the include from the files which do not contain the EXPORT_SYMBOL() - Use the full title of "z/Architecture Principles of Operation" manual and the name of a section where facility bits are listed - Use -D__DISABLE_EXPORTS for files in arch/s390/boot to avoid unnecessary slowing down of the build and confusing external kABI tools that process symtypes data - Print additional unrecoverable machine check information to make the root cause analysis easier - Move cmpxchg_user_key() handling to uaccess library code, since the generated code is large anyway and there is no benefit if it is inlined - Fix a problem when cmpxchg_user_key() is executing a code with a non-default key: if a system is IPL-ed with "LOAD NORMAL", and the previous system used storage keys where the fetch-protection bit was set for some pages, and the cmpxchg_user_key() is located within such page, a protection exception happens - Either the external call or emergency signal order is used to send an IPI to a remote CPU. Use the external order only, since it is at least as good and sometimes even better, than the emergency signal - In case of an early crash the early program check handler prints more or less random value of the last breaking event address, since it is not initialized properly. Copy the last breaking event address from the lowcore to pt_regs to address this - During STP synchronization check udelay() can not be used, since the first CPU modifies tod_clock_base and get_tod_clock_monotonic() might return a non-monotonic time. Instead, busy-loop on other CPUs, while the the first CPU actually handles the synchronization operation - When debugging the early kernel boot using QEMU with the -S flag and GDB attached, skip the decompressor and start directly in kernel - Rename PAI Crypto event 4210 according to z16 and z17 "z/Architecture Principles of Operation" manual - Remove the in-kernel time steering support in favour of the new s390 PTP driver, which allows the kernel clock steered more precisely - Remove a possible false-positive warning in pte_free_defer(), which could be triggered in a valid case KVM guest process is initializing -----BEGIN PGP SIGNATURE----- iI0EABYKADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCaIJQThccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8FI2APwPnlrj6ZVXzNA6dw0fSUt697rS NlaHEORXL8KcfoQh8QD/WwHUe1VNtDG1R5bBn0guR+UytVgR9Tt7LxyKfIgT3ws= =tdMb -----END PGP SIGNATURE----- Merge tag 's390-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Alexander Gordeev: - Standardize on the __ASSEMBLER__ macro that is provided by GCC and Clang compilers and replace __ASSEMBLY__ with __ASSEMBLER__ in both uapi and non-uapi headers - Explicitly include <linux/export.h> in architecture and driver files which contain an EXPORT_SYMBOL() and remove the include from the files which do not contain the EXPORT_SYMBOL() - Use the full title of "z/Architecture Principles of Operation" manual and the name of a section where facility bits are listed - Use -D__DISABLE_EXPORTS for files in arch/s390/boot to avoid unnecessary slowing down of the build and confusing external kABI tools that process symtypes data - Print additional unrecoverable machine check information to make the root cause analysis easier - Move cmpxchg_user_key() handling to uaccess library code, since the generated code is large anyway and there is no benefit if it is inlined - Fix a problem when cmpxchg_user_key() is executing a code with a non-default key: if a system is IPL-ed with "LOAD NORMAL", and the previous system used storage keys where the fetch-protection bit was set for some pages, and the cmpxchg_user_key() is located within such page, a protection exception happens - Either the external call or emergency signal order is used to send an IPI to a remote CPU. Use the external order only, since it is at least as good and sometimes even better, than the emergency signal - In case of an early crash the early program check handler prints more or less random value of the last breaking event address, since it is not initialized properly. Copy the last breaking event address from the lowcore to pt_regs to address this - During STP synchronization check udelay() can not be used, since the first CPU modifies tod_clock_base and get_tod_clock_monotonic() might return a non-monotonic time. Instead, busy-loop on other CPUs, while the the first CPU actually handles the synchronization operation - When debugging the early kernel boot using QEMU with the -S flag and GDB attached, skip the decompressor and start directly in kernel - Rename PAI Crypto event 4210 according to z16 and z17 "z/Architecture Principles of Operation" manual - Remove the in-kernel time steering support in favour of the new s390 PTP driver, which allows the kernel clock steered more precisely - Remove a possible false-positive warning in pte_free_defer(), which could be triggered in a valid case KVM guest process is initializing * tag 's390-6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (29 commits) s390/mm: Remove possible false-positive warning in pte_free_defer() s390/stp: Default to enabled s390/stp: Remove leap second support s390/time: Remove in-kernel time steering s390/sclp: Use monotonic clock in sclp_sync_wait() s390/smp: Use monotonic clock in smp_emergency_stop() s390/time: Use monotonic clock in get_cycles() s390/pai_crypto: Rename PAI Crypto event 4210 scripts/gdb/symbols: make lx-symbols skip the s390 decompressor s390/boot: Introduce jump_to_kernel() function s390/stp: Remove udelay from stp_sync_clock() s390/early: Copy last breaking event address to pt_regs s390/smp: Remove conditional emergency signal order code usage s390/uaccess: Merge cmpxchg_user_key() inline assemblies s390/uaccess: Prevent kprobes on cmpxchg_user_key() functions s390/uaccess: Initialize code pages executed with non-default access key s390/skey: Provide infrastructure for executing with non-default access key s390/uaccess: Make cmpxchg_user_key() library code s390/page: Add memory clobber to page_set_storage_key() s390/page: Cleanup page_set_storage_key() inline assemblies ... |
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| coccinelle | ||
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| dtc | ||
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| bpf_doc.py | ||
| build-version | ||
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| coccicheck | ||
| config | ||
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| decode_stacktrace.sh | ||
| decodecode | ||
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| dev-needs.sh | ||
| diffconfig | ||
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| extract-fwblobs | ||
| extract-ikconfig | ||
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| extract-sys-certs.pl | ||
| extract-vmlinux | ||
| faddr2line | ||
| file-size.sh | ||
| find-unused-docs.sh | ||
| gen_packed_field_checks.c | ||
| gen-crc-consts.py | ||
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| generate_builtin_ranges.awk | ||
| generate_initcall_order.pl | ||
| generate_rust_analyzer.py | ||
| generate_rust_target.rs | ||
| get_abi.py | ||
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| insert-sys-cert.c | ||
| install.sh | ||
| integer-wrap-ignore.scl | ||
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| Kbuild.include | ||
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| kernel-doc | ||
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| leaking_addresses.pl | ||
| Lindent | ||
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| macro_checker.py | ||
| make_fit.py | ||
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| rust_is_available_bindgen_0_66.h | ||
| rust_is_available_bindgen_libclang_concat.h | ||
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| rust_is_available.sh | ||
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| rustc-version.sh | ||
| rustdoc_test_builder.rs | ||
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| setlocalversion | ||
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| unifdef.c | ||
| ver_linux | ||
| verify_builtin_ranges.awk | ||
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