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2022-09-02x86/defconfig: Enable CONFIG_DEBUG_WX=yIngo Molnar2-0/+2
7 years after it got introduced it's time to make this the default, at least in the x86 defconfigs. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2022-09-02x86/defconfig: Refresh the defconfigsIngo Molnar2-4/+5
Just go through a 'make savedefconfig' cycle to pick up fresh Kconfig details, no change in settings, just reordering of some entries. ( This makes followup changes generated via 'make savedefconfig' contain less noise. ) Signed-off-by: Ingo Molnar <mingo@kernel.org>
2022-08-27Merge tag 'for-linus-6.0-rc3-tag' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - two minor cleanups - a fix of the xen/privcmd driver avoiding a possible NULL dereference in an error case * tag 'for-linus-6.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/privcmd: fix error exit of privcmd_ioctl_dm_op() xen: move from strlcpy with unused retval to strscpy xen: x86: remove setting the obsolete config XEN_MAX_DOMAIN_MEMORY
2022-08-25xen: x86: remove setting the obsolete config XEN_MAX_DOMAIN_MEMORYLukas Bulwahn1-1/+0
Commit c70727a5bc18 ("xen: allow more than 512 GB of RAM for 64 bit pv-domains") from July 2015 replaces the config XEN_MAX_DOMAIN_MEMORY with a new config XEN_512GB, but misses to adjust arch/x86/configs/xen.config. As XEN_512GB defaults to yes, there is no need to explicitly set any config in xen.config. Just remove setting the obsolete config XEN_MAX_DOMAIN_MEMORY. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20220817044333.22310-1-lukas.bulwahn@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com>
2022-06-24efi: vars: Remove deprecated 'efivars' sysfs interfaceArd Biesheuvel2-2/+0
Commit 5d9db883761a ("efi: Add support for a UEFI variable filesystem") dated Oct 5, 2012, introduced a new efivarfs pseudo-filesystem to replace the efivars sysfs interface that was used up to that point to expose EFI variables to user space. The main problem with the sysfs interface was that it only supported up to 1024 bytes of payload per file, whereas the underlying variables themselves are only bounded by a platform specific per-variable and global limit that is typically much higher than 1024 bytes. The deprecated sysfs interface is only enabled on x86 and Itanium, other EFI enabled architectures only support the efivarfs pseudo-filesystem. So let's finally rip off the band aid, and drop the old interface entirely. This will make it easier to refactor and clean up the underlying infrastructure that is shared between efivars, efivarfs and efi-pstore, and is long overdue for a makeover. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2022-03-27x86/config: Make the x86 defconfigs a bit more usableIngo Molnar2-26/+63
- Use 'make savedefconfig' to refresh & regenerate the files - Add in KVM boot enablers - Enable the cgroup features most distros rely on [ fix bug found by Nathan Chancellor ] Acked-by: Nathan Chancellor <nathan@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/YjwsUT/6PkRPjnHE@gmail.com
2022-03-24x86/defconfig: Enable WERRORBorislav Petkov2-0/+2
To quote Linus: "EVERYBODY should have CONFIG_WERROR=y on at least x86-64 and other serious architectures, unless you have some completely random experimental (and broken) compiler. New compiler warnings are not acceptable." So this should make at least the most obvious and common ones not go unnoticed. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/YjsCpoRK7W4l6tSh@zn.tnic
2022-01-08x86/kbuild: Enable CONFIG_KALLSYMS_ALL=y in the defconfigsIngo Molnar2-0/+2
Most distro kernels have this option enabled, to improve debug output. Lockdep also selects it. Enable this in the defconfig kernel as well, to make it more representative of what people are using on x86. Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/YdTn7gssoMVDMgMw@gmail.com
2021-12-30x86/defconfig: Enable CONFIG_LOCALVERSION_AUTO=y in the defconfigIngo Molnar2-2/+0
With CONFIG_LOCALVERSION_AUTO=y enabled, 'uname' provides much more useful output on debug kernels: Before: # CONFIG_LOCALVERSION_AUTO is not set $ uname -a Linux localhost 5.16.0-rc7+ #4563 SMP PREEMPT Thu Dec 30 08:28:38 CET 2021 x86_64 GNU/Linux After: # CONFIG_LOCALVERSION_AUTO=y $ uname -a Linux localhost 5.16.0-rc7-02294-g5537f9709b16 #4562 SMP PREEMPT Thu Dec 30 08:27:17 CET 2021 x86_64 GNU/Linux This is particularly valuable during bisection, if we want to double check the exact kernel version we are testing. (Just remove the config line, the global Kconfig default for this is default-y.) Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2021-09-08configs: remove the obsolete CONFIG_INPUT_POLLDEVZenghui Yu2-2/+0
This CONFIG option was removed in commit 278b13ce3a89 ("Input: remove input_polled_dev implementation") so there's no point to keep it in defconfigs any longer. Get rid of the leftover for all arches. Link: https://lkml.kernel.org/r/20210726074741.1062-1-yuzenghui@huawei.com Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-02-08module: remove EXPORT_UNUSED_SYMBOL*Christoph Hellwig2-2/+0
EXPORT_UNUSED_SYMBOL* is not actually used anywhere. Remove the unused functionality as we generally just remove unused code anyway. Reviewed-by: Miroslav Benes <mbenes@suse.cz> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jessica Yu <jeyu@kernel.org>
2020-09-20Merge tag 'x86_urgent_for_v5.9_rc6' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - A defconfig fix (Daniel Díaz) - Disable relocation relaxation for the compressed kernel when not built as -pie as in that case kernels built with clang and linked with LLD fail to boot due to the linker optimizing some instructions in non-PIE form; the gory details in the commit message (Arvind Sankar) - A fix for the "bad bp value" warning issued by the frame-pointer unwinder (Josh Poimboeuf) * tag 'x86_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/fp: Fix FP unwinding in ret_from_fork x86/boot/compressed: Disable relocation relaxation x86/defconfigs: Explicitly unset CONFIG_64BIT in i386_defconfig
2020-09-14vgacon: remove software scrollback supportLinus Torvalds2-2/+0
Yunhai Zhang recently fixed a VGA software scrollback bug in commit ebfdfeeae8c0 ("vgacon: Fix for missing check in scrollback handling"), but that then made people look more closely at some of this code, and there were more problems on the vgacon side, but also the fbcon software scrollback. We don't really have anybody who maintains this code - probably because nobody actually _uses_ it any more. Sure, people still use both VGA and the framebuffer consoles, but they are no longer the main user interfaces to the kernel, and haven't been for decades, so these kinds of extra features end up bitrotting and not really being used. So rather than try to maintain a likely unused set of code, I'll just aggressively remove it, and see if anybody even notices. Maybe there are people who haven't jumped on the whole GUI badnwagon yet, and think it's just a fad. And maybe those people use the scrollback code. If that turns out to be the case, we can resurrect this again, once we've found the sucker^Wmaintainer for it who actually uses it. Reported-by: NopNop Nop <nopitydays@gmail.com> Tested-by: Willy Tarreau <w@1wt.eu> Cc: 张云海 <zhangyunhai@nsfocus.com> Acked-by: Andy Lutomirski <luto@amacapital.net> Acked-by: Willy Tarreau <w@1wt.eu> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-09-09x86/defconfigs: Explicitly unset CONFIG_64BIT in i386_defconfigDaniel Díaz1-0/+1
A recent refresh of the defconfigs got rid of the following (unset) config: # CONFIG_64BIT is not set Innocuous as it seems, when the config file is saved again the behavior is changed so that CONFIG_64BIT=y. Currently, $ make i386_defconfig $ grep CONFIG_64BIT .config CONFIG_64BIT=y whereas previously (and with this patch): $ make i386_defconfig $ grep CONFIG_64BIT .config # CONFIG_64BIT is not set ( This was found with weird compiler errors on OpenEmbedded builds, as the compiler was unable to cope with 64-bits data types. ) Fixes: 1d0e12fd3a84 ("x86/defconfigs: Refresh defconfig files") Reported-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-07-25x86/defconfigs: Refresh defconfig filesIngo Molnar2-122/+62
Perform a 'make savedefconfig' pass over our main defconfig files, which keeps the defconfig result the same, but compresses the file where defaults were changed, options removed or reordered. Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20200724130638.645844-2-mingo@kernel.org
2020-07-24x86/defconfigs: Remove CONFIG_CRYPTO_AES_586 from i386_defconfigSedat Dilek1-1/+0
Initially CONFIG_CRYPTO_AES_586=y was added to the i386_defconfig file in: c1b362e3b4d3: ("x86: update defconfigs") The code and Kconfig for CONFIG_CRYPTO_AES_586 was removed in: 1d2c3279311e: ("crypto: x86/aes - drop scalar assembler implementations") Remove the leftover from the i386_defconfig file as well. Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20200723171119.9881-1-sedat.dilek@gmail.com
2020-04-07compiler: remove CONFIG_OPTIMIZE_INLINING entirelyMasahiro Yamada2-2/+0
Commit ac7c3e4ff401 ("compiler: enable CONFIG_OPTIMIZE_INLINING forcibly") made this always-on option. We released v5.4 and v5.5 including that commit. Remove the CONFIG option and clean up the code now. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: David Miller <davem@davemloft.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20200220110807.32534-2-masahiroy@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-04-02Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2-2/+0
Pull SCSI updates from James Bottomley: "This series has a huge amount of churn because it pulls in Mauro's doc update changing all our txt files to rst ones. Excluding that, we have the usual driver updates (qla2xxx, ufs, lpfc, zfcp, ibmvfc, pm80xx, aacraid), a treewide update for scnprintf and some other minor updates. The major core change is Hannes moving functions out of the aacraid driver and into the core" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (223 commits) scsi: aic7xxx: aic97xx: Remove FreeBSD-specific code scsi: ufs: Do not rely on prefetched data scsi: dc395x: remove dc395x_bios_param scsi: libiscsi: Fix error count for active session scsi: hpsa: correct race condition in offload enabled scsi: message: fusion: Replace zero-length array with flexible-array member scsi: qedi: Add PCI shutdown handler support scsi: qedi: Add MFW error recovery process scsi: ufs: Enable block layer runtime PM for well-known logical units scsi: ufs-qcom: Override devfreq parameters scsi: ufshcd: Let vendor override devfreq parameters scsi: ufshcd: Update the set frequency to devfreq scsi: ufs: Resume ufs host before accessing ufs device scsi: ufs-mediatek: customize the delay for enabling host scsi: ufs: make HCE polling more compact to improve initialization latency scsi: ufs: allow custom delay prior to host enabling scsi: ufs-mediatek: use common delay function scsi: ufs: introduce common and flexible delay function scsi: ufs: use an enum for host capabilities scsi: ufs: fix uninitialized tx_lanes in ufshcd_disable_tx_lcc() ...
2020-03-19x86/configs: Slightly reduce defconfigsRandy Dunlap2-4/+0
Eliminate 2 config symbols from both x86 defconfig files: HAMRADIO and FDDI. The FDDI Kconfig file even says (for the FDDI config symbol): Most people will say N. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Maciej W. Rozycki <macro@linux-mips.org> # CONFIG_FDDI Link: https://lkml.kernel.org/r/433f203e-4e00-f317-2e6b-81518b72843c@infradead.org
2020-02-24scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabledDiego Elio Pettenò2-2/+0
This kernel configuration is basically enabling/disabling sr driver quirks detection. While these quirks are for fairly rare devices (very old CD burners, and a glucometer), the additional detection of these models is a very minimal amount of code. The logic behind the quirks is always built into the sr driver. This also removes the config from all the defconfig files that are enabling this already. Link: https://lore.kernel.org/r/20200223191144.726-1-flameeyes@flameeyes.com Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-15x86: Remove the calgary IOMMU driverChristoph Hellwig1-1/+0
The calgary IOMMU was only used on high-end IBM systems in the early x86_64 age and has no known users left. Remove it to avoid having to touch it for pending changes to the DMA API. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191113071836.21041-2-hch@lst.de
2019-06-21x86/defconfigs: Remove useless UEVENT_HELPER_PATHKrzysztof Kozlowski2-2/+0
Remove the CONFIG_UEVENT_HELPER_PATH because: 1. It is disabled since commit 1be01d4a5714 ("driver: base: Disable CONFIG_UEVENT_HELPER by default") as its dependency (UEVENT_HELPER) was made default to 'n', 2. It is not recommended (help message: "This should not be used today [...] creates a high system load") and was kept only for ancient userland, 3. Certain userland specifically requests it to be disabled (systemd README: "Legacy hotplug slows down the system and confuses udev"). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Adam Borowski <kilobyte@angband.pl> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Alexey Brodkin <alexey.brodkin@synopsys.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/1559635284-21696-1-git-send-email-krzk@kernel.org
2019-04-19x86/defconfig: Remove archaic partition tables supportAhmed S. Darwish2-24/+0
On x86 systems, only MSDOS and GPT partition tables are typically encountered. Remove all the rest. Note, CONFIG_EFI_PARTITION is also removed since it defaults to `y'. Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20190306004425.GA30537@darwi-home-pc Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-03-07Merge branch 'akpm' (patches from Andrew)Linus Torvalds2-2/+0
Merge more updates from Andrew Morton: - some of the rest of MM - various misc things - dynamic-debug updates - checkpatch - some epoll speedups - autofs - rapidio - lib/, lib/lzo/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits) samples/mic/mpssd/mpssd.h: remove duplicate header kernel/fork.c: remove duplicated include include/linux/relay.h: fix percpu annotation in struct rchan arch/nios2/mm/fault.c: remove duplicate include unicore32: stop printing the virtual memory layout MAINTAINERS: fix GTA02 entry and mark as orphan mm: create the new vm_fault_t type arm, s390, unicore32: remove oneliner wrappers for memblock_alloc() arch: simplify several early memory allocations openrisc: simplify pte_alloc_one_kernel() sh: prefer memblock APIs returning virtual address microblaze: prefer memblock API returning virtual address powerpc: prefer memblock APIs returning virtual address lib/lzo: separate lzo-rle from lzo lib/lzo: implement run-length encoding lib/lzo: fast 8-byte copy on arm64 lib/lzo: 64-bit CTZ on arm64 lib/lzo: tidy-up ifdefs ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size ipc: annotate implicit fall through ...
2019-03-07configs: get rid of obsolete CONFIG_ENABLE_WARN_DEPRECATEDAlexey Brodkin2-2/+0
This Kconfig option was removed during v4.19 development in commit 771c035372a0 ("deprecate the '__deprecated' attribute warnings entirely and for good") so there's no point to keep it in defconfigs any longer. FWIW defconfigs were patched with: --------------------------->8---------------------- find . -name *_defconfig -exec sed -i '/CONFIG_ENABLE_WARN_DEPRECATED/d' {} \; --------------------------->8---------------------- Link: http://lkml.kernel.org/r/20190128152434.41969-1-abrodkin@synopsys.com Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-02-11x86/defconfig: Enable EFI stub, mixed mode and BGRTArd Biesheuvel2-0/+5
Enable various options in the defconfigs of both i386 and x86_64 that could do with some test coverage in automated testing. Note that these options are typically enabled by distros as well. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-11-23PCI: consolidate PCI config entry in drivers/pciChristoph Hellwig2-0/+2
There is no good reason to duplicate the PCI menu in every architecture. Instead provide a selectable HAVE_PCI symbol that indicates availability of PCI support, and a FORCE_PCI symbol to for PCI on and the handle the rest in drivers/pci. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-10-10x86/defconfig: Enable CONFIG_USB_XHCI_HCD=yAdam Borowski2-0/+2
A spanking new machine I just got has all but one USB ports wired as 3.0. Booting defconfig resulted in no keyboard or mouse, which was pretty uncool. Let's enable that -- USB3 is ubiquitous rather than an oddity. As 'y' not 'm' -- recovering from initrd problems needs a keyboard. Also add it to the 32-bit defconfig. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-usb@vger.kernel.org Link: http://lkml.kernel.org/r/20181009062803.4332-1-kilobyte@angband.pl Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-10-14x86/unwind: Rename unwinder config options to 'CONFIG_UNWINDER_*'Josh Poimboeuf2-3/+3
Rename the unwinder config options from: CONFIG_ORC_UNWINDER CONFIG_FRAME_POINTER_UNWINDER CONFIG_GUESS_UNWINDER to: CONFIG_UNWINDER_ORC CONFIG_UNWINDER_FRAME_POINTER CONFIG_UNWINDER_GUESS ... in order to give them a more logical config namespace. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/73972fc7e2762e91912c6b9584582703d6f1b8cc.1507924831.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-10-12x86/unwinder: Make CONFIG_UNWINDER_ORC=y the default in the 64-bit defconfigIngo Molnar1-0/+1
Increase testing coverage by turning on the primary x86 unwinder for the 64-bit defconfig. Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-08-10Merge branch 'x86/urgent' into x86/asm, to pick up fixesIngo Molnar2-6/+0
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-26x86/kconfig: Consolidate unwinders into multiple choice selectionJosh Poimboeuf1-0/+2
There are three mutually exclusive unwinders. Make that more obvious by combining them into a multiple-choice selection: CONFIG_FRAME_POINTER_UNWINDER CONFIG_ORC_UNWINDER CONFIG_GUESS_UNWINDER (if CONFIG_EXPERT=y) Frame pointers are still the default (for now). The old CONFIG_FRAME_POINTER option is still used in some arch-independent places, so keep it around, but make it invisible to the user on x86 - it's now selected by CONFIG_FRAME_POINTER_UNWINDER=y. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: live-patching@vger.kernel.org Link: http://lkml.kernel.org/r/20170725135424.zukjmgpz3plf5pmt@treble Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-07-20x86/defconfig: Remove stale, old Kconfig optionsKrzysztof Kozlowski2-6/+0
Remove old, dead Kconfig options (in order appearing in this commit): - EXPERIMENTAL is gone since v3.9; - IP_NF_TARGET_ULOG: commit d4da843e6fad ("netfilter: kill remnants of ulog targets"); - USB_LIBUSUAL: commit f61870ee6f8c ("usb: remove libusual"); Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1500526885-4341-1-git-send-email-krzk@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-05-01Merge branch 'x86-boot-for-linus' of ↵Linus Torvalds2-0/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 boot updates from Ingo Molnar: "The biggest changes in this cycle were: - reworking of the e820 code: separate in-kernel and boot-ABI data structures and apply a whole range of cleanups to the kernel side. No change in functionality. - enable KASLR by default: it's used by all major distros and it's out of the experimental stage as well. - ... misc fixes and cleanups" * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (63 commits) x86/KASLR: Fix kexec kernel boot crash when KASLR randomization fails x86/reboot: Turn off KVM when halting a CPU x86/boot: Fix BSS corruption/overwrite bug in early x86 kernel startup x86: Enable KASLR by default boot/param: Move next_arg() function to lib/cmdline.c for later reuse x86/boot: Fix Sparse warning by including required header file x86/boot/64: Rename start_cpu() x86/xen: Update e820 table handling to the new core x86 E820 code x86/boot: Fix pr_debug() API braindamage xen, x86/headers: Add <linux/device.h> dependency to <asm/xen/page.h> x86/boot/e820: Simplify e820__update_table() x86/boot/e820: Separate the E820 ABI structures from the in-kernel structures x86/boot/e820: Fix and clean up e820_type switch() statements x86/boot/e820: Rename the remaining E820 APIs to the e820__*() prefix x86/boot/e820: Remove unnecessary #include's x86/boot/e820: Rename e820_mark_nosave_regions() to e820__register_nosave_regions() x86/boot/e820: Rename e820_reserve_resources*() to e820__reserve_resources*() x86/boot/e820: Use bool in query APIs x86/boot/e820: Document e820__reserve_setup_data() x86/boot/e820: Clean up __e820__update_table() et al ...
2017-04-18x86: Enable KASLR by defaultIngo Molnar2-0/+4
KASLR is mature (and important) enough to be enabled by default on x86. Also enable it by default in the defconfigs. Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Baoquan He <bhe@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: dan.j.williams@intel.com Cc: dave.jiang@intel.com Cc: dyoung@redhat.com Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-06x86/build/x86_64_defconfig: Enable CONFIG_R8169Andy Shevchenko1-0/+1
Very common PCIe ethernet card. Already enabled in i386_defconfig. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Link: http://lkml.kernel.org/r/20170306085748.85957-1-andriy.shevchenko@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-10-11Merge tag 'iommu-updates-v4.9' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU updates from Joerg Roedel: - support for interrupt virtualization in the AMD IOMMU driver. These patches were shared with the KVM tree and are already merged through that tree. - generic DT-binding support for the ARM-SMMU driver. With this the driver now makes use of the generic DMA-API code. This also required some changes outside of the IOMMU code, but these are acked by the respective maintainers. - more cleanups and fixes all over the place. * tag 'iommu-updates-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (40 commits) iommu/amd: No need to wait iommu completion if no dte irq entry change iommu/amd: Free domain id when free a domain of struct dma_ops_domain iommu/amd: Use standard bitmap operation to set bitmap iommu/amd: Clean up the cmpxchg64 invocation iommu/io-pgtable-arm: Check for v7s-incapable systems iommu/dma: Avoid PCI host bridge windows iommu/dma: Add support for mapping MSIs iommu/arm-smmu: Set domain geometry iommu/arm-smmu: Wire up generic configuration support Docs: dt: document ARM SMMU generic binding usage iommu/arm-smmu: Convert to iommu_fwspec iommu/arm-smmu: Intelligent SMR allocation iommu/arm-smmu: Add a stream map entry iterator iommu/arm-smmu: Streamline SMMU data lookups iommu/arm-smmu: Refactor mmu-masters handling iommu/arm-smmu: Keep track of S2CR state iommu/arm-smmu: Consolidate stream map entry state iommu/arm-smmu: Handle stream IDs more dynamically iommu/arm-smmu: Set PRIVCFG in stage 1 STEs iommu/arm-smmu: Support non-PCI devices with SMMUv3 ...
2016-10-06Merge tag 'kvm-4.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-31/+0
Pull KVM updates from Radim Krčmář: "All architectures: - move `make kvmconfig` stubs from x86 - use 64 bits for debugfs stats ARM: - Important fixes for not using an in-kernel irqchip - handle SError exceptions and present them to guests if appropriate - proxying of GICV access at EL2 if guest mappings are unsafe - GICv3 on AArch32 on ARMv8 - preparations for GICv3 save/restore, including ABI docs - cleanups and a bit of optimizations MIPS: - A couple of fixes in preparation for supporting MIPS EVA host kernels - MIPS SMP host & TLB invalidation fixes PPC: - Fix the bug which caused guests to falsely report lockups - other minor fixes - a small optimization s390: - Lazy enablement of runtime instrumentation - up to 255 CPUs for nested guests - rework of machine check deliver - cleanups and fixes x86: - IOMMU part of AMD's AVIC for vmexit-less interrupt delivery - Hyper-V TSC page - per-vcpu tsc_offset in debugfs - accelerated INS/OUTS in nVMX - cleanups and fixes" * tag 'kvm-4.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (140 commits) KVM: MIPS: Drop dubious EntryHi optimisation KVM: MIPS: Invalidate TLB by regenerating ASIDs KVM: MIPS: Split kernel/user ASID regeneration KVM: MIPS: Drop other CPU ASIDs on guest MMU changes KVM: arm/arm64: vgic: Don't flush/sync without a working vgic KVM: arm64: Require in-kernel irqchip for PMU support KVM: PPC: Book3s PR: Allow access to unprivileged MMCR2 register KVM: PPC: Book3S PR: Support 64kB page size on POWER8E and POWER8NVL KVM: PPC: Book3S: Remove duplicate setting of the B field in tlbie KVM: PPC: BookE: Fix a sanity check KVM: PPC: Book3S HV: Take out virtual core piggybacking code KVM: PPC: Book3S: Treat VTB as a per-subcore register, not per-thread ARM: gic-v3: Work around definition of gic_write_bpr1 KVM: nVMX: Fix the NMI IDT-vectoring handling KVM: VMX: Enable MSR-BASED TPR shadow even if APICv is inactive KVM: nVMX: Fix reload apic access page warning kvmconfig: add virtio-gpu to config fragment config: move x86 kvm_guest.config to a common location arm64: KVM: Remove duplicating init code for setting VMID ARM: KVM: Support vgic-v3 ...
2016-09-23config: move x86 kvm_guest.config to a common locationRob Herring1-31/+0
kvm_guest.config is useful for KVM guests on other arches, and nothing in it appears to be x86 specific, so just move the whole file. Kbuild will find it in either location. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Christoffer Dall <christoffer.dall@linaro.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2016-09-20Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', ↵Joerg Roedel1-0/+2
'arm/renesas' and 'arm/smmu' into next
2016-09-05iommu/amd: Remove AMD_IOMMU_STATSFabian Frederick1-1/+0
Commit e85e8f69cedb ("iommu/amd: Remove statistics code") removed that configuration. Also remove function definition (suggested by Joerg Roedel) Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2016-09-01kconfig: tinyconfig: provide whole choice blocks to avoid warningsArnd Bergmann1-0/+2
Using "make tinyconfig" produces a couple of annoying warnings that show up for build test machines all the time: .config:966:warning: override: NOHIGHMEM changes choice state .config:965:warning: override: SLOB changes choice state .config:963:warning: override: KERNEL_XZ changes choice state .config:962:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state .config:933:warning: override: SLOB changes choice state .config:930:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state .config:870:warning: override: SLOB changes choice state .config:868:warning: override: KERNEL_XZ changes choice state .config:867:warning: override: CC_OPTIMIZE_FOR_SIZE changes choice state I've made a previous attempt at fixing them and we discussed a number of alternatives. I tried changing the Makefile to use "merge_config.sh -n $(fragment-list)" but couldn't get that to work properly. This is yet another approach, based on the observation that we do want to see a warning for conflicting 'choice' options, and that we can simply make them non-conflicting by listing all other options as disabled. This is a trivial patch that we can apply independent of plans for other changes. Link: http://lkml.kernel.org/r/20160829214952.1334674-2-arnd@arndb.de Link: https://storage.kernelci.org/mainline/v4.7-rc6/x86-tinyconfig/build.log https://patchwork.kernel.org/patch/9212749/ Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-23arch/defconfig: remove CONFIG_RESOURCE_COUNTERSKonstantin Khlebnikov2-2/+0
This option was replaced by PAGE_COUNTER which is selected by MEMCG. Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-16Merge branch 'x86-build-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86-64 defconfig update from Ingo Molnar: "Small defconfig addition" [ I'm not actually convinced our defconfig is sensible, but whatever ] * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build/defconfig/64: Enable CONFIG_E1000E=y
2016-05-10kvmconfig: add more virtio driversAndrey Utkin1-0/+3
"make defconfig kvmconfig" is supposed to end up with usable kernel for KVM guest. In practice, it won't work for e.g. Hetzner VPS (KVM-based) unless you add these options. Signed-off-by: Andrey Utkin <andrey_utkin@fastmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-04-19x86/build/defconfig/64: Enable CONFIG_E1000E=yKonstantin Khlebnikov1-0/+1
Very common ethernet. Already enabled in i386_defconfig Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/146105407523.18740.6392078851674393377.stgit@zurg Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-17Merge branch 'next' of ↵Linus Torvalds2-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security layer updates from James Morris: "There are a bunch of fixes to the TPM, IMA, and Keys code, with minor fixes scattered across the subsystem. IMA now requires signed policy, and that policy is also now measured and appraised" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits) X.509: Make algo identifiers text instead of enum akcipher: Move the RSA DER encoding check to the crypto layer crypto: Add hash param to pkcs1pad sign-file: fix build with CMS support disabled MAINTAINERS: update tpmdd urls MODSIGN: linux/string.h should be #included to get memcpy() certs: Fix misaligned data in extra certificate list X.509: Handle midnight alternative notation in GeneralizedTime X.509: Support leap seconds Handle ISO 8601 leap seconds and encodings of midnight in mktime64() X.509: Fix leap year handling again PKCS#7: fix unitialized boolean 'want' firmware: change kernel read fail to dev_dbg() KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert KEYS: Reserve an extra certificate symbol for inserting without recompiling modsign: hide openssl output in silent builds tpm_tis: fix build warning with tpm_tis_resume ima: require signed IMA policy ima: measure and appraise the IMA policy itself ima: load policy using path ...
2016-03-09x86/defconfigs/32: Set CONFIG_FRAME_WARN to the Kconfig defaultBorislav Petkov1-1/+1
Sync it to the Kconfig default for 32-bit. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: tim.gardner@canonical.com Link: http://lkml.kernel.org/r/20160309134821.GD6564@pd.tnic Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-02-10KEYS: CONFIG_KEYS_DEBUG_PROC_KEYS is no longer an optionDavid Howells2-2/+0
CONFIG_KEYS_DEBUG_PROC_KEYS is no longer an option as /proc/keys is now mandatory if the keyrings facility is enabled (it's used by libkeyutils in userspace). The defconfig references were removed with: perl -p -i -e 's/CONFIG_KEYS_DEBUG_PROC_KEYS=y\n//' \ `git grep -l CONFIG_KEYS_DEBUG_PROC_KEYS=y` and the integrity Kconfig fixed by hand. Signed-off-by: David Howells <dhowells@redhat.com> cc: Andreas Ziegler <andreas.ziegler@fau.de> cc: Dmitry Kasatkin <dmitry.kasatkin@huawei.com>
2015-09-04Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-1/+0
Pull drm updates from Dave Airlie: "This is the main pull request for the drm for 4.3. Nouveau is probably the biggest amount of changes in here, since it missed 4.2. Highlights below, along with the usual bunch of fixes. All stuff outside drm should have applicable acks. Highlights: - new drivers: freescale dcu kms driver - core: more atomic fixes disable some dri1 interfaces on kms drivers drop fb panic handling, this was just getting more broken, as more locking was required. new core fbdev Kconfig support - instead of each driver enable/disabling it struct_mutex cleanups - panel: more new panels cleanup Kconfig - i915: Skylake support enabled by default legacy modesetting using atomic infrastructure Skylake fixes GEN9 workarounds - amdgpu: Fiji support CGS support for amdgpu Initial GPU scheduler - off by default Lots of bug fixes and optimisations. - radeon: DP fixes misc fixes - amdkfd: Add Carrizo support for amdkfd using amdgpu. - nouveau: long pending cleanup to complete driver, fully bisectable which makes it larger, perfmon work more reclocking improvements maxwell displayport fixes - vmwgfx: new DX device support, supports OpenGL 3.3 screen targets support - mgag200: G200eW support G200e new revision support - msm: dragonboard 410c support, msm8x94 support, msm8x74v1 support yuv format support dma plane support mdp5 rotation initial hdcp - sti: atomic support - exynos: lots of cleanups atomic modesetting/pageflipping support render node support - tegra: tegra210 support (dc, dsi, dp/hdmi) dpms with atomic modesetting support - atmel: support for 3 more atmel SoCs new input formats, PRIME support. - dwhdmi: preparing to add audio support - rockchip: yuv plane support" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1369 commits) drm/amdgpu: rename gmc_v8_0_init_compute_vmid drm/amdgpu: fix vce3 instance handling drm/amdgpu: remove ib test for the second VCE Ring drm/amdgpu: properly enable VM fault interrupts drm/amdgpu: fix warning in scheduler drm/amdgpu: fix buffer placement under memory pressure drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logic drm/amdgpu: fix typo in dce11 watermark setup drm/amdgpu: fix typo in dce10 watermark setup drm/amdgpu: use top down allocation for non-CPU accessible vram drm/amdgpu: be explicit about cpu vram access for driver BOs (v2) drm/amdgpu: set MEC doorbell range for Fiji drm/amdgpu: implement burst NOP for SDMA drm/amdgpu: add insert_nop ring func and default implementation drm/amdgpu: add amdgpu_get_sdma_instance helper function drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCES drm/amdgpu: add burst_nop flag for sdma drm/amdgpu: add count field for the SDMA NOP packet v2 drm/amdgpu: use PT for VM sync on unmap drm/amdgpu: make wait_event uninterruptible in push_job ...
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