Messages in this thread | | | Subject | [PATCH] x86-64 highres/dyntick support | From | Thomas Gleixner <> | Date | Sun, 06 May 2007 22:58:47 +0200 |
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I'm pleased to announce the first cut of the final x86_64 highres/dyntick support, which I did based on Chris Wright's patch set, which is again based on Arjan van de Ven's initial work:
http://www.tglx.de/projects/hrtimers/2.6.21-git2-x86-64/patches-2.6.21-git2.patch.bz2
Broken out version:
http://www.tglx.de/projects/hrtimers/2.6.21-git2-x86-64/patches-2.6.21-git2.tar.bz2
It applies on top of 2.6.21-git2 and contains the following patches:
# Andi's x86_64 queue (already in -mm and pending mainline merges) x86_64-2.6.21-git2.patch
# Outstanding fixups to highres/dyntick core and i386 # (-mm and mainline pending) highres-dyntick-avoid-xtime-lock-contention.patch acpi-keep-tsc-stable-when-lapic-timer-c2-ok-is-set.patch clocksource-fix-resume-logic.patch clockevents-fix-resume-logic.patch
# x86_64 dyntick support x86-64-untangle-hpet-headers.patch x86-64-drive-set-rtc-mss.patch i386-move-pit-setup-to-i8253-h.patch x86-64-remove-dead-code-tsc-c.patch x86-64-convert-to-clockevents.patch x86-64-prepare-idle-for-dyntick.patch x86-64-enable-highres-dyntick.patch
The x86-64-convert-to-clockevents.patch is rather large, but there is no way to do this incremental. The clockevents conversion has to be done in one go.
The x86-64 clockevents patch set overall summary is:
22 files changed, 631 insertions(+), 1199 deletions(-)
due to sharing the code of PIT and HPET with i386.
I did not dare to tackle sharing apic.c yet, but there is definitely a chance to get this done some day when I get bored and do a: # mkdir arch/x86 :)
I'm going to post the x86_64 set for review to LKML once the outstanding highres/dyntick fixups have hit mainline resp. -mm
To create a highres / dyntick enabled kernel for x86_64: http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.21.tar.bz2 http://kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.21-git2.bz2 http://www.tglx.de/projects/hrtimers/2.6.21-git2-x86-64/patches-2.6.21-git2.patch.bz2
Comments, bugreports, patches are welcome as ususal
Thanks,
tglx
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