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2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d 
 kernel/lib/Kconfig
....@@ -1,3 +1,4 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
12 #
23 # Library configuration
34 #
....@@ -10,19 +11,43 @@
1011 config RAID6_PQ
1112 	tristate
1213 
14
+config RAID6_PQ_BENCHMARK
15
+	bool "Automatically choose fastest RAID6 PQ functions"
16
+	depends on RAID6_PQ
17
+	default y
18
+	help
19
+	  Benchmark all available RAID6 PQ functions on init and choose the
20
+	  fastest one.
21
+
22
+config LINEAR_RANGES
23
+	tristate
24
+
25
+config PACKING
26
+	bool "Generic bitfield packing and unpacking"
27
+	default n
28
+	help
29
+	  This option provides the packing() helper function, which permits
30
+	  converting bitfields between a CPU-usable representation and a
31
+	  memory representation that can have any combination of these quirks:
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+	    - Is little endian (bytes are reversed within a 32-bit group)
33
+	    - The least-significant 32-bit word comes first (within a 64-bit
34
+	      group)
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+	    - The most significant bit of a byte is at its right (bit 0 of a
36
+	      register description is numerically 2^7).
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+	  Drivers may use these helpers to match the bit indices as described
38
+	  in the data sheets of the peripherals they are in control of.
39
+
40
+	  When in doubt, say N.
41
+
1342 config BITREVERSE
1443 	tristate
1544 
1645 config HAVE_ARCH_BITREVERSE
1746 	bool
1847 	default n
19
-	depends on BITREVERSE
2048 	help
2149 	  This option enables the use of hardware bit-reversal instructions on
2250 	  architectures which support such operations.
23
-
24
-config RATIONAL
25
-	bool
2651 
2752 config GENERIC_STRNCPY_FROM_USER
2853 	bool
....@@ -35,6 +60,8 @@
3560 
3661 config GENERIC_FIND_FIRST_BIT
3762 	bool
63
+
64
+source "lib/math/Kconfig"
3865 
3966 config NO_GENERIC_PCI_IOPORT_MAP
4067 	bool
....@@ -55,6 +82,9 @@
5582 config ARCH_HAS_FAST_MULTIPLIER
5683 	bool
5784 
85
+config ARCH_USE_SYM_ANNOTATIONS
86
+	bool
87
+
5888 config INDIRECT_PIO
5989 	bool "Access I/O in non-MMIO mode"
6090 	depends on ARM64
....@@ -70,6 +100,11 @@
70100 	  sure your devices really need this configure item enabled.
71101 
72102 	  When in doubt, say N.
103
+
104
+source "lib/crypto/Kconfig"
105
+
106
+config LIB_MEMNEQ
107
+	bool
73108 
74109 config CRC_CCITT
75110 	tristate "CRC-CCITT functions"
....@@ -253,6 +288,13 @@
253288 	tristate
254289 	select BITREVERSE
255290 
291
+config ZLIB_DFLTCC
292
+	def_bool y
293
+	depends on S390
294
+	prompt "Enable s390x DEFLATE CONVERSION CALL support for kernel zlib"
295
+	help
296
+	 Enable s390x hardware support for zlib in the kernel.
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+
256298 config LZO_COMPRESS
257299 	tristate
258300 
....@@ -302,6 +344,10 @@
302344 
303345 config DECOMPRESS_LZ4
304346 	select LZ4_DECOMPRESS
347
+	tristate
348
+
349
+config DECOMPRESS_ZSTD
350
+	select ZSTD_DECOMPRESS
305351 	tristate
306352 
307353 #
....@@ -395,12 +441,15 @@
395441 
396442 	  See:
397443 
398
-		Documentation/rbtree.txt
444
+		Documentation/core-api/rbtree.rst
399445 
400446 	  for more information.
401447 
402
-config RADIX_TREE_MULTIORDER
448
+config XARRAY_MULTI
403449 	bool
450
+	help
451
+	  Support entries which occupy multiple consecutive indices in the
452
+	  XArray.
404453 
405454 config ASSOCIATIVE_ARRAY
406455 	bool
....@@ -419,7 +468,6 @@
419468 config HAS_IOMEM
420469 	bool
421470 	depends on !NO_IOMEM
422
-	select GENERIC_IO
423471 	default y
424472 
425473 config HAS_IOPORT_MAP
....@@ -441,7 +489,6 @@
441489 
442490 config CPUMASK_OFFSTACK
443491 	bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
444
-	depends on !PREEMPT_RT_FULL
445492 	help
446493 	  Use dynamic allocation for cpumask_var_t, instead of putting
447494 	  them on the stack.  This is a bit more expensive, but avoids
....@@ -504,20 +551,6 @@
504551 config CLZ_TAB
505552 	bool
506553 
507
-config CORDIC
508
-	tristate "CORDIC algorithm"
509
-	help
510
-	  This option provides an implementation of the CORDIC algorithm;
511
-	  calculations are in fixed point. Module will be called cordic.
512
-
513
-config DDR
514
-	bool "JEDEC DDR data"
515
-	help
516
-	  Data from JEDEC specs for DDR SDRAM memories,
517
-	  particularly the AC timing parameters and addressing
518
-	  information. This data is useful for drivers handling
519
-	  DDR SDRAM controllers.
520
-
521554 config IRQ_POLL
522555 	bool "IRQ polling library"
523556 	help
....@@ -541,6 +574,13 @@
541574 	  Digital signature verification. Currently only RSA is supported.
542575 	  Implementation is done using GnuPG MPI library
543576 
577
+config DIMLIB
578
+	bool
579
+	help
580
+	  Dynamic Interrupt Moderation library.
581
+	  Implements an algorithm for dynamically changing CQ moderation values
582
+	  according to run time performance.
583
+
544584 #
545585 # libfdt files, only selected if needed.
546586 #
....@@ -553,7 +593,7 @@
553593 	  Enable fast lookup object identifier registry.
554594 
555595 config UCS2_STRING
556
-        tristate
596
+	tristate
557597 
558598 #
559599 # generic vdso
....@@ -580,21 +620,49 @@
580620 # sg chaining option
581621 #
582622 
583
-config ARCH_HAS_SG_CHAIN
623
+config ARCH_NO_SG_CHAIN
584624 	def_bool n
585625 
586626 config ARCH_HAS_PMEM_API
587627 	bool
588628 
629
+config MEMREGION
630
+	bool
631
+
632
+config ARCH_HAS_MEMREMAP_COMPAT_ALIGN
633
+	bool
634
+
635
+# use memcpy to implement user copies for nommu architectures
636
+config UACCESS_MEMCPY
637
+	bool
638
+
589639 config ARCH_HAS_UACCESS_FLUSHCACHE
590640 	bool
591641 
592
-config ARCH_HAS_UACCESS_MCSAFE
642
+# arch has a concept of a recoverable synchronous exception due to a
643
+# memory-read error like x86 machine-check or ARM data-abort, and
644
+# implements copy_mc_to_{user,kernel} to abort and report
645
+# 'bytes-transferred' if that exception fires when accessing the source
646
+# buffer.
647
+config ARCH_HAS_COPY_MC
593648 	bool
649
+
650
+# Temporary. Goes away when all archs are cleaned up
651
+config ARCH_STACKWALK
652
+       bool
594653 
595654 config STACKDEPOT
596655 	bool
597656 	select STACKTRACE
657
+
658
+config STACK_HASH_ORDER
659
+	int "stack depot hash size (12 => 4KB, 20 => 1024KB)"
660
+	range 12 20
661
+	default 20
662
+	depends on STACKDEPOT
663
+	help
664
+	 Select the hash size as a power of 2 for the stackdepot hash table.
665
+	 Choose a lower value to reduce the memory impact.
598666 
599667 config SBITMAP
600668 	bool
....@@ -602,13 +670,16 @@
602670 config PARMAN
603671 	tristate "parman" if COMPILE_TEST
604672 
605
-config PRIME_NUMBERS
606
-	tristate
673
+config OBJAGG
674
+	tristate "objagg" if COMPILE_TEST
607675 
608676 config STRING_SELFTEST
609677 	tristate "Test string functions"
610678 
611679 endmenu
680
+
681
+config GENERIC_IOREMAP
682
+	bool
612683 
613684 config GENERIC_LIB_ASHLDI3
614685 	bool
....@@ -627,3 +698,7 @@
627698 
628699 config GENERIC_LIB_UCMPDI2
629700 	bool
701
+
702
+config PLDMFW
703
+	bool
704
+	default n