Buildresult: linus/sun3_defconfig/m68k-gcc13 built on Sep 24, 03:19

kisskb

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Status:	OK
Date/Time:	Sep 24, 03:19
Duration:	0:09:19.869652
Builder:	alpine2
Revision:	mm: fix build on 32-bit targets without MAX_PHYSMEM_BITS (`f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36)`
Target:	linus/sun3_defconfig/m68k-gcc13
Branch:	linus
Compiler:	m68k-gcc13 (m68k-linux-gcc (GCC) 13.1.0 / GNU ld (GNU Binutils) 2.40)
Config:	sun3_defconfig (download)
Log:	Download original Possible warnings (4) WARNING: unmet direct dependencies detected for GET_FREE_REGION WARNING: unmet direct dependencies detected for GET_FREE_REGION WARNING: unmet direct dependencies detected for GET_FREE_REGION WARNING: unmet direct dependencies detected for GET_FREE_REGION Full Log # git gc Expanding reachable commits in commit graph: 54335 Expanding reachable commits in commit graph: 111743 Expanding reachable commits in commit graph: 169778 Expanding reachable commits in commit graph: 228959 Expanding reachable commits in commit graph: 287669 Expanding reachable commits in commit graph: 348393 Expanding reachable commits in commit graph: 409140 Expanding reachable commits in commit graph: 463442 Expanding reachable commits in commit graph: 509657 Expanding reachable commits in commit graph: 538899 Expanding reachable commits in commit graph: 563292 Expanding reachable commits in commit graph: 594992 Expanding reachable commits in commit graph: 631122 Expanding reachable commits in commit graph: 666482 Expanding reachable commits in commit graph: 694858 Expanding reachable commits in commit graph: 724371 Expanding reachable commits in commit graph: 749900 Expanding reachable commits in commit graph: 777289 Expanding reachable commits in commit graph: 807400 Expanding reachable commits in commit graph: 840413 Expanding reachable commits in commit graph: 875717 Expanding reachable commits in commit graph: 919590 Expanding reachable commits in commit graph: 954798 Expanding reachable commits in commit graph: 985188 Expanding reachable commits in commit graph: 1017178 Expanding reachable commits in commit graph: 1046214 Expanding reachable commits in commit graph: 1064990 Expanding reachable commits in commit graph: 1098770 Expanding reachable commits in commit graph: 1124716 Expanding reachable commits in commit graph: 1157064 Expanding reachable commits in commit graph: 1190236 Expanding reachable commits in commit graph: 1225155 Expanding reachable commits in commit graph: 1257415 Expanding reachable commits in commit graph: 1288717 Expanding reachable commits in commit graph: 1305485, done. 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git rev-parse -q --verify f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36^{commit} f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 already have revision, skipping fetch # git checkout -q -f -B kisskb f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 # git clean -qxdf # < git log -1 # commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Mon Sep 23 08:58:31 2024 -0700 # # mm: fix build on 32-bit targets without MAX_PHYSMEM_BITS # # The merge resolution to deal with the conflict between commits # ea72ce5da228 ("x86/kaslr: Expose and use the end of the physical memory # address space") and 99185c10d5d9 ("resource, kunit: add test case for # region_intersects()") ended up being broken in configurations didn't # define a MAX_PHYSMEM_BITS and that had a 32-bit 'phys_addr_t'. # # The fallback to using all bits set (ie "(-1ULL)") ended up causing a # build error: # # kernel/resource.c: In function ‘gfr_start’: # include/linux/minmax.h:93:30: error: conversion from ‘long long unsigned int’ to ‘resource_size_t’ {aka ‘unsigned int’} changes value from ‘18446744073709551615’ to ‘4294967295’ [-Werror=overflow] # # this was reported by Geert for m68k, but he points out that it happens # on other 32-bit architectures too, eg mips, xtensa, parisc, and powerpc. # # Limiting 'PHYSMEM_END' to a 'phys_addr_t' (which is the same as # 'resource_size_t') fixes the build, but Geert points out that it will # then cause a silent overflow in mm/sparse.c: # # unsigned long max_sparsemem_pfn = (PHYSMEM_END + 1) >> PAGE_SHIFT; # # so we actually do want PHYSMEM_END to be defined a 64-bit type - just # not all ones, and not larger than 'phys_addr_t'. # # The proper fix is probably to not have some kind of default fallback at # all, but just make sure every architecture has a valid MAX_PHYSMEM_BITS. # But in the meantime, this just applies the rule that PHYSMEM_END is the # largest value that fits in a 'phys_addr_t', but does not have the high # bit set in 64 bits. # # Ugly, ugly. # # Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> # Cc: Andrew Morton <akpm@linux-foundation.org> # Cc: Huang Ying <ying.huang@intel.com> # Cc: Thomas Gleixner <tglx@linutronix.de> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux-ld --version # < git log --format=%s --max-count=1 f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 # make -s -j 160 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux- sun3_defconfig WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] # < make -s -j 160 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux- help # make -s -j 160 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux- olddefconfig WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] # make -s -j 160 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/m68k-linux/bin/m68k-linux- Completed OK # rm -rf /kisskb/build/linus_sun3_defconfig_m68k-gcc13 # Build took: 0:09:19.869652

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