- 28 Jul, 2018 6 commits
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Ben Hutchings authored
We now have many repetitive greps over the kernel config. Refactor them into functions. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Ben Hutchings authored
s390 now only supports 64-bit configurations. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Ben Hutchings authored
We currently use dpkg --print-architecture, which reports the architecture of the build machine. We can make a better guess than this by asking dpkg-architecture what the host architecture, i.e. the default architecture for building packages, is. This is sensitive to environment variables such as CC and DEB_HOST_ARCH, which should already be set in a cross-build environment. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Ben Hutchings authored
If KBUILD_DEBARCH is set then we will not use the result of architecture detection, and we may also warn unnecessarily. Move the check for KBUILD_DEBARCH further up to avoid this. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
Currently, filechk unconditionally opens the first prerequisite and redirects it as the stdin of a filechk_* rule. Hence, every target using $(call filechk,...) must list something as the first prerequisite even if it is unneeded. '< $<' is actually unneeded in most cases. Each rule can explicitly adds it if necessary. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
The filechk_offsets in arch/arm/mach-at91/Makefile is never used because it is always overridden by the equivalent one in scripts/Makefile.lib Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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- 20 Jul, 2018 1 commit
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Dirk Gouders authored
Users of if_changed could easily feel invited to use it to divide a recipe into parts like: a: prereq FORCE $(call if_changed,do_a) $(call if_changed,do_b) But this is problematic, because if_changed should not be used more than once per target: in the above example, if_changed stores the command-line of the given command in .a.cmd and when a is up-to-date with respect to prereq, the file .a.cmd contains the command-line for the last command executed, i.e. do_b. When the recipe is then executed again, without any change of prerequisites, the command-line check for do_a will fail, do_a will be executed and stored in .a.cmd. The next check, however, will still see the old content (the file isn't re-read) and if_changed will skip do_b, because the command-line test will not recognize a change. On the next execution of the recipe the roles will flip: do_a is OK but do_b not and it will be executed. And so on... Signed-off-by: Dirk Gouders <dirk@gouders.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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- 18 Jul, 2018 6 commits
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Olof Johansson authored
Make 'make tar-pkg' work on arm64. Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Olof Johansson authored
ARCH=vax isn't in mainline; it can be added back if/when it shows up. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
Put $(LDFLAGS_$(@F)) into ld_flags so that $(LDFLAGS_pcap.o) and $(LDFLAGS_vde.o) in arch/um/drivers/Makefile are absorbed. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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Masahiro Yamada authored
$(LDFLAGS) $(ldflags-y) is equivalent to $(ld_flags). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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Masahiro Yamada authored
Since commit ce99d0bf ("kbuild: clear LDFLAGS in the top Makefile"), the top-level Makefile caters to this. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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Masahiro Yamada authored
This is already exported by the top-level Makefile. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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- 17 Jul, 2018 12 commits
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Laura Abbott authored
Now that we have the rename in place, reuse the HOST*FLAGS options as something that can be set from the command line and included with the rest of the flags. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
In preparation for enabling command line LDLIBS, re-name HOST_LOADLIBES to KBUILD_HOSTLDLIBS as the internal use only flags. Also rename existing usage to HOSTLDLIBS for consistency. This should not have any visible effects. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
In preparation for enabling command line LDFLAGS, re-name HOSTLDFLAGS to KBUILD_HOSTLDFLAGS as the internal use only flags. This should not have any visible effects. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
In preparation for enabling command line CXXFLAGS, re-name HOSTCXXFLAGS to KBUILD_HOSTCXXFLAGS as the internal use only flags. This should not have any visible effects. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
In preparation for enabling command line CFLAGS, re-name HOSTCFLAGS to KBUILD_HOSTCFLAGS as the internal use only flags. This should not have any visible effects. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
The vDSO needs to have a unique build id in a similar manner to the kernel and modules. Use the build salt macro. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
The vDSO needs to have a unique build id in a similar manner to the kernel and modules. Use the build salt macro. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
The vDSO needs to have a unique build id in a similar manner to the kernel and modules. Use the build salt macro. Acked-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Laura Abbott authored
In Fedora, the debug information is packaged separately (foo-debuginfo) and can be installed separately. There's been a long standing issue where only one version of a debuginfo info package can be installed at a time. There's been an effort for Fedora for parallel debuginfo to rectify this problem. Part of the requirement to allow parallel debuginfo to work is that build ids are unique between builds. The existing upstream rpm implementation ensures this by re-calculating the build-id using the version and release as a seed. This doesn't work 100% for the kernel because of the vDSO which is its own binary and doesn't get updated when embedded. Fix this by adding some data in an ELF note for both the kernel and modules. The data is controlled via a Kconfig option so distributions can set it to an appropriate value to ensure uniqueness between builds. Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Randy Dunlap authored
Verify that 'depmod' ($DEPMOD) is installed. This is a partial revert of commit 620c231c ("kbuild: do not check for ancient modutils tools"). Also update Documentation/process/changes.rst to refer to kmod instead of module-init-tools. Fixes kernel bugzilla #198965: https://bugzilla.kernel.org/show_bug.cgi?id=198965Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Cc: Michal Marek <michal.lkml@markovi.net> Cc: Jessica Yu <jeyu@kernel.org> Cc: Chih-Wei Huang <cwhuang@linux.org.tw> Cc: stable@vger.kernel.org # any kernel since 2012 Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Masahiro Yamada authored
Commit 8370edea ("bin2c: move bin2c in scripts/basic") moved bin2c to the scripts/basic/ directory, incorrectly stating "Kexec wants to use bin2c and it wants to use it really early in the build process. See arch/x86/purgatory/ code in later patches." Commit bdab125c ("Revert "kexec/purgatory: Add clean-up for purgatory directory"") and commit d6605b6b ("x86/build: Remove unnecessary preparation for purgatory") removed the redundant purgatory build magic entirely. That means that the move of bin2c was unnecessary in the first place. fixdep is the only host program that deserves to sit in the scripts/basic/ directory. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Elena Reshetova authored
atomic_as_refcounter.cocci script allows detecting cases when refcount_t type and API should be used instead of atomic_t. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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- 15 Jul, 2018 2 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: - A fix for OMAP5 and DRA7 to make the branch predictor hardening settings take proper effect on secondary cores - Disable USB OTG on am3517 since current driver isn't working - Fix thermal sensor register settings on Armada 38x - Fix suspend/resume IRQs on pxa3xx * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: am3517.dtsi: Disable reference to OMAP3 OTG controller ARM: DRA7/OMAP5: Enable ACTLR[0] (Enable invalidates of BTB) for secondary cores ARM: pxa: irq: fix handling of ICMR registers in suspend/resume ARM: dts: armada-38x: use the new thermal binding
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- 14 Jul, 2018 13 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linuxLinus Torvalds authored
Pull RTC fixes from Alexandre Belloni: "Two fixes for 4.18: - an important core fix for RTCs using the core offsetting only one driver is affected - a fix for the error path of mrst" * tag 'rtc-4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: rtc: fix alarm read and set offset rtc: mrst: fix error code in probe()
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Olof Johansson authored
Merge tag 'omap-for-v4.18/fixes-rc4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Two omap fixes for v4.18-rc cycle Turns out the recent patches for ARM branch predictor hardening are not working on omap5 and dra7 as planned because the secondary CPU is parked to the bootrom code. We can't configure it in the bootloader. So we must enable invalidates of BTB for omap5 and dra7 secondary core in the kernel. And there's a fix for reserved register access for am3517. The usb otg module on am3517 is not the same as for other omap3. * tag 'omap-for-v4.18/fixes-rc4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: am3517.dtsi: Disable reference to OMAP3 OTG controller ARM: DRA7/OMAP5: Enable ACTLR[0] (Enable invalidates of BTB) for secondary cores Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.infradead.org/linux-mvebuOlof Johansson authored
mvebu fixes for 4.18 (part 1) Use the new thermal binding on Armada 38x allowing to use a driver fix which is already part of the kernel. * tag 'mvebu-fixes-4.18-1' of git://git.infradead.org/linux-mvebu: ARM: dts: armada-38x: use the new thermal binding Signed-off-by: Olof Johansson <olof@lixom.net>
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https://github.com/rjarzmik/linuxOlof Johansson authored
This is the fixes set for v4.18 cycle. This is a fix for suspending all pxa3xx platforms, where high number interrupts are not reenabled. * tag 'pxa-fixes-4.18' of https://github.com/rjarzmik/linux: ARM: pxa: irq: fix handling of ICMR registers in suspend/resume Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: "Two related fixes for a boot failure of Xen PV guests" * tag 'for-linus-4.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: setup pv irq ops vector earlier xen: remove global bit from __default_kernel_pte_mask for pv guests
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fix from Jens Axboe: "Just a single regression fix (from 4.17) for bsg, fixing an EINVAL return on non-data commands" * tag 'for-linus-20180713' of git://git.kernel.dk/linux-block: bsg: fix bogus EINVAL on non-data commands
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "11 fixes" * emailed patches form Andrew Morton <akpm@linux-foundation.org>: reiserfs: fix buffer overflow with long warning messages checkpatch: fix duplicate invalid vsprintf pointer extension '%p<foo>' messages mm: do not bug_on on incorrect length in __mm_populate() mm/memblock.c: do not complain about top-down allocations for !MEMORY_HOTREMOVE fs, elf: make sure to page align bss in load_elf_library x86/purgatory: add missing FORCE to Makefile target net/9p/client.c: put refcount of trans_mod in error case in parse_opts() mm: allow arch to supply p??_free_tlb functions autofs: fix slab out of bounds read in getname_kernel() fs/proc/task_mmu.c: fix Locked field in /proc/pid/smaps* mm: do not drop unused pages when userfaultd is running
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Eric Biggers authored
ReiserFS prepares log messages into a 1024-byte buffer with no bounds checks. Long messages, such as the "unknown mount option" warning when userspace passes a crafted mount options string, overflow this buffer. This causes KASAN to report a global-out-of-bounds write. Fix it by truncating messages to the buffer size. Link: http://lkml.kernel.org/r/20180707203621.30922-1-ebiggers3@gmail.com Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reported-by: syzbot+b890b3335a4d8c608963@syzkaller.appspotmail.com Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Joe Perches authored
Multiline statements with invalid %p<foo> uses produce multiple warnings. Fix that. e.g.: $ cat t_block.c void foo(void) { MY_DEBUG(drv->foo, "%pk", foo->boo); } $ ./scripts/checkpatch.pl -f t_block.c WARNING: Missing or malformed SPDX-License-Identifier tag in line 1 #1: FILE: t_block.c:1: +void foo(void) WARNING: Invalid vsprintf pointer extension '%pk' #3: FILE: t_block.c:3: + MY_DEBUG(drv->foo, + "%pk", + foo->boo); WARNING: Invalid vsprintf pointer extension '%pk' #3: FILE: t_block.c:3: + MY_DEBUG(drv->foo, + "%pk", + foo->boo); total: 0 errors, 3 warnings, 6 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. t_block.c has style problems, please review. NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. Link: http://lkml.kernel.org/r/9e8341bbe4c9877d159cb512bb701043cbfbb10b.camel@perches.comSigned-off-by: Joe Perches <joe@perches.com> Cc: "Tobin C. Harding" <me@tobin.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Michal Hocko authored
syzbot has noticed that a specially crafted library can easily hit VM_BUG_ON in __mm_populate kernel BUG at mm/gup.c:1242! invalid opcode: 0000 [#1] SMP CPU: 2 PID: 9667 Comm: a.out Not tainted 4.18.0-rc3 #644 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/19/2017 RIP: 0010:__mm_populate+0x1e2/0x1f0 Code: 55 d0 65 48 33 14 25 28 00 00 00 89 d8 75 21 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 75 18 f1 ff 0f 0b e8 6e 18 f1 ff <0f> 0b 31 db eb c9 e8 93 06 e0 ff 0f 1f 00 55 48 89 e5 53 48 89 fb Call Trace: vm_brk_flags+0xc3/0x100 vm_brk+0x1f/0x30 load_elf_library+0x281/0x2e0 __ia32_sys_uselib+0x170/0x1e0 do_fast_syscall_32+0xca/0x420 entry_SYSENTER_compat+0x70/0x7f The reason is that the length of the new brk is not page aligned when we try to populate the it. There is no reason to bug on that though. do_brk_flags already aligns the length properly so the mapping is expanded as it should. All we need is to tell mm_populate about it. Besides that there is absolutely no reason to to bug_on in the first place. The worst thing that could happen is that the last page wouldn't get populated and that is far from putting system into an inconsistent state. Fix the issue by moving the length sanitization code from do_brk_flags up to vm_brk_flags. The only other caller of do_brk_flags is brk syscall entry and it makes sure to provide the proper length so t here is no need for sanitation and so we can use do_brk_flags without it. Also remove the bogus BUG_ONs. [osalvador@techadventures.net: fix up vm_brk_flags s@request@len@] Link: http://lkml.kernel.org/r/20180706090217.GI32658@dhcp22.suse.czSigned-off-by: Michal Hocko <mhocko@suse.com> Reported-by: syzbot <syzbot+5dcb560fe12aa5091c06@syzkaller.appspotmail.com> Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Zi Yan <zi.yan@cs.rutgers.edu> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "Huang, Ying" <ying.huang@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Michal Hocko authored
Mike Rapoport is converting architectures from bootmem to nobootmem allocator. While doing so for m68k Geert has noticed that he gets a scary looking warning: WARNING: CPU: 0 PID: 0 at mm/memblock.c:230 memblock_find_in_range_node+0x11c/0x1be memblock: bottom-up allocation failed, memory hotunplug may be affected Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 4.18.0-rc3-atari-01343-gf2fb5f2e09a97a3c-dirty #7 Call Trace: __warn+0xa8/0xc2 kernel_pg_dir+0x0/0x1000 netdev_lower_get_next+0x2/0x22 warn_slowpath_fmt+0x2e/0x36 memblock_find_in_range_node+0x11c/0x1be memblock_find_in_range_node+0x11c/0x1be memblock_find_in_range_node+0x0/0x1be vprintk_func+0x66/0x6e memblock_virt_alloc_internal+0xd0/0x156 netdev_lower_get_next+0x2/0x22 netdev_lower_get_next+0x2/0x22 kernel_pg_dir+0x0/0x1000 memblock_virt_alloc_try_nid_nopanic+0x58/0x7a netdev_lower_get_next+0x2/0x22 kernel_pg_dir+0x0/0x1000 kernel_pg_dir+0x0/0x1000 EXPTBL+0x234/0x400 EXPTBL+0x234/0x400 alloc_node_mem_map+0x4a/0x66 netdev_lower_get_next+0x2/0x22 free_area_init_node+0xe2/0x29e EXPTBL+0x234/0x400 paging_init+0x430/0x462 kernel_pg_dir+0x0/0x1000 printk+0x0/0x1a EXPTBL+0x234/0x400 setup_arch+0x1b8/0x22c start_kernel+0x4a/0x40a _sinittext+0x344/0x9e8 The warning is basically saying that a top-down allocation can break memory hotremove because memblock allocation is not movable. But m68k doesn't even support MEMORY_HOTREMOVE so there is no point to warn about it. Make the warning conditional only to configurations that care. Link: http://lkml.kernel.org/r/20180706061750.GH32658@dhcp22.suse.czSigned-off-by: Michal Hocko <mhocko@suse.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Sam Creasey <sammy@sammy.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Oscar Salvador authored
The current code does not make sure to page align bss before calling vm_brk(), and this can lead to a VM_BUG_ON() in __mm_populate() due to the requested lenght not being correctly aligned. Let us make sure to align it properly. Kees: only applicable to CONFIG_USELIB kernels: 32-bit and configured for libc5. Link: http://lkml.kernel.org/r/20180705145539.9627-1-osalvador@techadventures.netSigned-off-by: Oscar Salvador <osalvador@suse.de> Reported-by: syzbot+5dcb560fe12aa5091c06@syzkaller.appspotmail.com Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Acked-by: Kees Cook <keescook@chromium.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Philipp Rudo authored
- Build the kernel without the fix - Add some flag to the purgatories KBUILD_CFLAGS,I used -fno-asynchronous-unwind-tables - Re-build the kernel When you look at makes output you see that sha256.o is not re-build in the last step. Also readelf -S still shows the .eh_frame section for sha256.o. With the fix sha256.o is rebuilt in the last step. Without FORCE make does not detect changes only made to the command line options. So object files might not be re-built even when they should be. Fix this by adding FORCE where it is missing. Link: http://lkml.kernel.org/r/20180704110044.29279-2-prudo@linux.ibm.com Fixes: df6f2801 ("kernel/kexec_file.c: move purgatories sha256 to common code") Signed-off-by: Philipp Rudo <prudo@linux.ibm.com> Acked-by: Dave Young <dyoung@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: <stable@vger.kernel.org> [4.17+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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