| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <alpine.LFD.1.10.0808290824070.3300@nehalem.linux-foundation.org> Date: Fri, 29 Aug 2008 08:26:52 -0700 (PDT) From: Linus Torvalds <torvalds@...ux-foundation.org> To: Ingo Molnar <mingo@...e.hu> cc: Yinghai Lu <yhlu.kernel@...il.com>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Andrew Morton <akpm@...ux-foundation.org>, Jesse Barnes <jbarnes@...tuousgeek.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] x86: split e820 reserved entries record to late v4 On Fri, 29 Aug 2008, Ingo Molnar wrote: > > BIOS-e820: 0000000077ff0000 - 0000000078000000 (reserved) > BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) > BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) > > which overlaps with the chipset PCI BAR (hpet) resource: > > pci 0000:00:14.0: BAR has HPET at fed00000-fed003ff > > so due to this 1K conflict we take the full e820-reserved entry out and > give the range 0xfec00000-0x100000000 as 'free'. That's wrong. It's a full overlap, so "insert_resource()" should happily insert the 00000000fec00000 - 0000000100000000 _around_ the HPET bar. Do you actually see this behavior, or do you just misunderstand how "insert_resource()" works? 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/
Powered by blists - more mailing lists