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Date: Mon, 28 Jul 2008 20:23:21 -0700 (PDT) From: Linus Torvalds <torvalds@...ux-foundation.org> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Linux v2.6.27-rc1 It's two weeks (and one day), and the merge window is over. Finally. I don't know why, but this one really did feel pretty dang busy. And the size of the -rc1 patch bears that out - at 12MB, it's about 50% bigger than 26-rc1 (but not that much bigger than 24/25-rc1, so it's not like it's anything unheard of). The pure size of the -rc's _is_ making me a bit nervous, though. Sure, it means that we are good at merging it all, but I have to say that I sometimes wonder if we don't merge too much in one go, and even our current (fairly short) release cycle is actually too big. Anyway, that's a discussion for some other event. Much of -rc1 was in linux-next, but certainly not everything. We'll see how that whole thing ends up evolving - it certainly didn't solve all problems, and there was some bickering about things that weren't there (and some things that mostly were ;), but maybe it helped. There's a ton of new stuff in there, but at least personally the interesting things are the BKL pushdown and perhaps the introduction of the lockless get_user_pages_fast(). The build system also got updated to allow moving the architecture include files ("include/asm-xyz") into the architecture subdirectories ("arch/xyz/include/asm"), and sparc seems to have taken advantage of that already. But those changes are just small details in the end. As usual, the bulk of changes are all to device drivers (roughly half, as usual), with the arch directory amounting to about half of the remainder. Dirstat: 3.2% arch/arm/ 9.2% arch/ppc/ 24.6% arch/ 5.2% drivers/char/drm/ 6.3% drivers/char/ 4.5% drivers/gpu/drm/ 4.5% drivers/gpu/ 4.6% drivers/media/video/ 5.5% drivers/media/ 3.0% drivers/net/wireless/ 10.7% drivers/net/ 6.4% drivers/usb/misc/ 4.7% drivers/usb/serial/ 12.9% drivers/usb/ 51.2% drivers/ 4.4% firmware/ 3.7% fs/ 9.2% include/ where the bulk of that fs/ update is the merge of the UBI filesystem, to pick one fairly sizeable chunk outside of arch or drivers (there's omfs too, but that's tiny in comparison). Other stuff? tracing. firmware loading. continued x86 arch merging. And moving more code to generic support (unified generic IPI handling, coherent dma memory allocation, show_mem etc). bootmem rewrites. Some support for further scalability (ie 4k cpu cores). But mostly lots and lots of driver and arch updates. Go to kernelnewbies or lwn for more reporting, I'm going to sleep for twenty-four hours now ;) Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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