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555624c0 |
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09-Oct-2023 |
Arnd Bergmann <arnd@arndb.de> |
vgacon: clean up global screen_info instances To prepare for completely separating the VGA console screen_info from the one used in EFI/sysfb, rename the vgacon instances and make them local as much as possible. ia64 and arm both have confurations with vgacon and efi, but the contents never overlaps because ia64 has no EFI framebuffer, and arm only has vga console on legacy platforms without EFI. Renaming these is required before the EFI screen_info can be moved into drivers/firmware. The ia64 vga console is actually registered in two places from setup_arch(), but one of them is wrong, so drop the one in pcdp.c and fix the one in setup.c to use the correct conditional. x86 has to keep them together, as the boot protocol is used to switch between VGA text console and framebuffer through the screen_info data. Acked-by: Javier Martinez Canillas <javierm@redhat.com> Acked-by: Khalid Aziz <khalid@gonehiking.org> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20231009211845.3136536-7-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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4293b092 |
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09-Oct-2023 |
Arnd Bergmann <arnd@arndb.de> |
dummycon: limit Arm console size hack to footbridge The dummycon default console size used to be determined by architecture, but now this is a Kconfig setting on everything except ARM. Tracing this back in the historic git trees, this was used to match the size of VGA console or VGA framebuffer on early machines, but nowadays that code is no longer used, except probably on the old footbridge/netwinder since that is the only one that supports vgacon. On machines with a framebuffer, booting with DT so far results in always using the hardcoded 80x30 size in dummycon, while on ATAGS the setting can come from a bootloader specific override. Both seem to be worse choices than the Kconfig setting, since the actual text size for fbcon also depends on the selected font. Make this work the same way as everywhere else and use the normal Kconfig setting, except for the footbridge with vgacon, which keeps using the traditional code. If vgacon is disabled, footbridge can also ignore the setting. This means the screen_info only has to be provided when either vgacon or EFI are enabled now. To limit the amount of surprises on Arm, change the Kconfig default to the previously used 80x30 setting instead of the usual 80x25. Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20231009211845.3136536-4-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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7611b335 |
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01-Jun-2023 |
Azeem Shaikh <azeemshaikh38@gmail.com> |
ARM: 9300/1: Replace all non-returning strlcpy with strscpy strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return values were used, so direct replacement is safe. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [2] https://github.com/KSPP/linux/issues/89 [ardb: submitting to the patch tracker on behalf of Azeem] Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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e9a2f8b5 |
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11-Oct-2020 |
Ard Biesheuvel <ardb@kernel.org> |
ARM: 9011/1: centralize phys-to-virt conversion of DT/ATAGS address Before moving the DT mapping out of the linear region, let's prepare for this change by removing all the phys-to-virt translations of the __atags_pointer variable, and perform this translation only once at setup time. Tested-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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c8376994 |
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04-Jun-2020 |
Christoph Hellwig <hch@lst.de> |
initrd: remove support for multiple floppies Remove the special handling for multiple floppies in the initrd code. No one should be using floppies for booting these days. (famous last words..) Includes a spelling fix from Colin Ian King <colin.king@canonical.com>. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
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d2912cb1 |
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04-Jun-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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e262e32d |
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01-Nov-2018 |
David Howells <dhowells@redhat.com> |
vfs: Suppress MS_* flag defs within the kernel unless explicitly enabled Only the mount namespace code that implements mount(2) should be using the MS_* flags. Suppress them inside the kernel unless uapi/linux/mount.h is included. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Reviewed-by: David Howells <dhowells@redhat.com>
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99cf8f90 |
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20-Sep-2017 |
Russell King <rmk+kernel@armlinux.org.uk> |
ARM: better diagnostics with missing/corrupt dtb With a kernel containing both DT and atag support, the diagnostics output when the dtb is missing or corrupt assume that we're trying to boot using atags and the machine ID, and only print the machine ID. This is not useful for diagnosing a missing or corrupt dtb. Move the message into arch/arm/kernel/setup.c, and print the address of the dtb/atag list, and the first 16 bytes of memory of the dtb or atag list. This allows us to see whether the dtb was corrupted in some way, causing the fallback to the machine ID / atag list. Tested-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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287f3ca5 |
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10-Jul-2017 |
Bart Van Assche <bvanassche@acm.org> |
ARM: fix rd_size declaration The global variable 'rd_size' is declared as 'int' in source file arch/arm/kernel/atags_parse.c and as 'unsigned long' in drivers/block/brd.c. Fix this inconsistency. Additionally, remove the declarations of rd_image_start, rd_prompt and rd_doload from parse_tag_ramdisk() since these duplicate existing declarations in <linux/initrd.h>. Link: http://lkml.kernel.org/r/20170627065024.12347-1-bart.vanassche@wdc.com Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jan Kara <jack@suse.cz> Cc: Jason Yan <yanaijie@huawei.com> Cc: Zhaohongjiang <zhaohongjiang@huawei.com> Cc: Miao Xie <miaoxie@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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4ed89f22 |
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28-Oct-2014 |
Russell King <rmk+kernel@arm.linux.org.uk> |
ARM: convert printk(KERN_* to pr_* Convert many (but not all) printk(KERN_* to pr_* to simplify the code. We take the opportunity to join some printk lines together so we don't split the message across several lines, and we also add a few levels to some messages which were previously missing them. Tested-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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8b521cb2 |
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16-Sep-2014 |
Joe Perches <joe@perches.com> |
ARM: 8152/1: Convert pr_warning to pr_warn Use the more common pr_warn. Other miscellanea: o Coalesce formats o Realign arguments Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1c2f87c2 |
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13-Apr-2014 |
Laura Abbott <lauraa@codeaurora.org> |
ARM: 8025/1: Get rid of meminfo memblock is now fully integrated into the kernel and is the prefered method for tracking memory. Rather than reinvent the wheel with meminfo, migrate to using memblock directly instead of meminfo as an intermediate. Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ff69a4c8 |
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26-Jul-2013 |
Russell King <rmk+kernel@arm.linux.org.uk> |
ARM: constify machine_desc structure uses struct machine_desc records are defined everywhere as a 'const' structure, but unfortuantely it loses its const-ness through the use of linker magic - the symbols which surround the section are not declared const so it becomes possible not to use 'const' for pointers to these const structures. Let's fix this oversight - all pointers to these structures should be marked const too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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aa783b6f |
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31-Aug-2012 |
Nicolas Pitre <nico@fluxnic.net> |
ARM: 7505/1: split out ATAGS parsing Make ATAGS parsing into a source file of its own, namely atags_parse.c. Also rename compat.c to atags_compat.c to make it clearer what it is about. Same for atags.c which is now atags_proc.c. Gather all the atags function declarations into a common atags.h. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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