mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ff47d8c050
Pull s390 updates from Martin Schwidefsky:
- New entropy generation for the pseudo random number generator.
- Early boot printk output via sclp to help debug crashes on boot. This
needs to be enabled with a kernel parameter.
- Add proper no-execute support with a bit in the page table entry.
- Bug fixes and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (65 commits)
s390/syscall: fix single stepped system calls
s390/zcrypt: make ap_bus explicitly non-modular
s390/zcrypt: Removed unneeded debug feature directory creation.
s390: add missing "do {} while (0)" loop constructs to multiline macros
s390/mm: add cond_resched call to kernel page table dumper
s390: get rid of MACHINE_HAS_PFMF and MACHINE_HAS_HPAGE
s390/mm: make memory_block_size_bytes available for !MEMORY_HOTPLUG
s390: replace ACCESS_ONCE with READ_ONCE
s390: Audit and remove any remaining unnecessary uses of module.h
s390: mm: Audit and remove any unnecessary uses of module.h
s390: kernel: Audit and remove any unnecessary uses of module.h
s390/kdump: Use "LINUX" ELF note name instead of "CORE"
s390: add no-execute support
s390: report new vector facilities
s390: use correct input data address for setup_randomness
s390/sclp: get rid of common response code handling
s390/sclp: don't add new lines to each printed string
s390/sclp: make early sclp code readable
s390/sclp: disable early sclp code as soon as the base sclp driver is active
s390/sclp: move early printk code to drivers
...
24 lines
584 B
Plaintext
24 lines
584 B
Plaintext
menu "Kernel hacking"
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config TRACE_IRQFLAGS_SUPPORT
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def_bool y
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source "lib/Kconfig.debug"
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config S390_PTDUMP
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bool "Export kernel pagetable layout to userspace via debugfs"
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depends on DEBUG_KERNEL
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select DEBUG_FS
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---help---
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Say Y here if you want to show the kernel pagetable layout in a
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debugfs file. This information is only useful for kernel developers
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who are working in architecture specific areas of the kernel.
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It is probably not a good idea to enable this feature in a production
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kernel.
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If in doubt, say "N"
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config EARLY_PRINTK
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def_bool y
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endmenu
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