Re: [0/3] Improve generic fls64 for 64-bit machines

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

From: Ingo Molnar

Subject: Re: [0/3] Improve generic fls64 for 64-bit machines

Date: Friday, March 21, 2008 - 6:10 am

* Alexander van Heukelum <heukelum@mailshack.com> wrote:

quoted text> This series of patches:
> 
> [1/3] adds __fls.h to asm-generic
> [2/3] modifies asm-*/bitops.h for 64-bit archs to implement __fls
> [3/3] modifies asm-generic/fls64.h to make use of __fls
> 
> I have compiled i386 and x86_64, and they generate the same code as 
> before the change. The changes to the other archs are a best effort. 
> Please comment.

i've applied #1 and #3 to x86.git/testing, to see how this works out on 
x86. But it looks good to me in general.

	Ingo
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[0/3] Improve generic fls64 for 64-bit machines, Alexander van Heukelum, (Sat Mar 15, 10:29 am)

[1/3] Introduce a generic __fls implementation, Alexander van Heukelum, (Sat Mar 15, 10:30 am)

[2/3] Implement __fls on all 64-bit archs, Alexander van Heukelum, (Sat Mar 15, 10:31 am)

[3/3] Use __fls for fls64 on 64-bit archs, Alexander van Heukelum, (Sat Mar 15, 10:32 am)

Re: [0/3] Improve generic fls64 for 64-bit machines, Ingo Molnar, (Fri Mar 21, 6:10 am)

Re: [0/3] Improve generic fls64 for 64-bit machines, Benny Halevy, (Thu Apr 3, 10:19 am)

Re: [0/3] Improve generic fls64 for 64-bit machines, Alexander van Heukelum, (Fri Apr 4, 7:22 am)

Re: [0/3] Improve generic fls64 for 64-bit machines, Benny Halevy, (Sun Apr 6, 8:03 am)

Re: [0/3] Improve generic fls64 for 64-bit machines, Alexander van Heukelum, (Sun Apr 6, 12:10 pm)

Re: [3/3] Use __fls for fls64 on 64-bit archs, Ricardo M. Correia, (Sat Jul 5, 9:56 am)

[PATCH] x86: fix description of __fls(): __fls(0) is undefined, Alexander van Heukelum, (Sat Jul 5, 10:53 am)

Re: [PATCH] x86: fix description of __fls(): __fls(0) is u ..., Ingo Molnar, (Fri Jul 18, 5:33 am)


linux-kernel:
Ingo Molnar	Re: [PATCH 0/3] v2 Make hierarchical RCU less IPI-happy and add more tracing
Jeremy Fitzhardinge	Re: Linux 2.6.28.10 and Linux 2.6.29.6 XEN Guest Support Broken x86_64 in BUILD
Nick Piggin	Re: [patch] CFS (Completely Fair Scheduler), v2
Gary Hade	Re: [PATCH 0/5][RFC] Physical PCI slot objects
Dave Johnson	Re: expected behavior of PF_PACKET on NETIF_F_HW_VLAN_RX device?
linux-netdev:
Arnd Bergmann	Re: 64-bit net_device_stats
Stephens, Allan	RE: [PATCH]: tipc: Fix oops on send prior to entering networked mode
frank.blaschka	[patch 3/5] [PATCH] qeth: support z/VM VSWITCH Port Isolation
Wu Fengguang	Re: [PATCH] dm9601: handle corrupt mac address
David Miller	Re: [PATCH net-2.6.24] Fix refcounting problem with netif_rx_reschedule()
git:
Junio C Hamano	Re: [PATCH] [RFC] add Message-ID field to log on git-am operation
Junio C Hamano	Re: Handling large files with GIT
Karl	Re: [ANNOUNCE] pg - A patch porcelain for GIT
Josh Triplett	Re: [RFC][PATCH 00/10] Sparse: Git's "make check" target
Pierre Habouzit	Re: [PATCH] git-daemon: more powerful base-path/user-path settings, using formats.
git-commits-head:
Linux Kernel Mailing List	MIPS: RBTX4939: Fix IOC pin-enable register updating
Linux Kernel Mailing List	regulator: update email address for Liam Girdwood
Linux Kernel Mailing List	[SCSI] ipr: add message to error table
Linux Kernel Mailing List	powerpc/32: Wire up the trampoline code for kdump
Linux Kernel Mailing List	USB: omap_udc: sync with OMAP tree
openbsd-misc:
Josh Grosse	Re: error : pkg add phpMyAdmin
Brian Candler	Re: OBSD's perspective on SELinux
Jacob Meuser	Re: /dev/audio: Device busy
David Vasek	Re: Inexpensive, low power, "wall wart" computer
William Boshuck	Re: Richard Stallman...