mirror of https://gitee.com/openkylin/linux.git
369adf04d8
CONFIG_GENERIC_TIME_VSYSCALL_OLD was introduced five years ago to allow a transition from the old vsyscall implementations to the new method (which simplified internal accounting and made timekeeping more precise). However, PPC and IA64 have yet to make the transition, despite in some cases me sending test patches to try to help it along. http://patches.linaro.org/patch/30501/ http://patches.linaro.org/patch/35412/ If its helpful, my last pass at the patches can be found here: https://git.linaro.org/people/john.stultz/linux.git dev/oldvsyscall-cleanup So I think its time to set a deadline and make it clear this is going away. So this patch adds warnings about this functionality being dropped. Likely to be in v4.15. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Miroslav Lichvar <mlichvar@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Anton Blanchard <anton@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: John Stultz <john.stultz@linaro.org> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.