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
| ||
|
Date: Fri, 3 Oct 2008 09:37:27 +0200 From: Ingo Molnar <mingo@...e.hu> To: J.A. Magallón <jamagallon@....com> Cc: Linux-Kernel <linux-kernel@...r.kernel.org>, Yinghai Lu <yinghai@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com> Subject: Re: [PATCH 2/2] x86: mtrr_cleanup try gran_size to less than 1M * J.A. Magallón <jamagallon@....com> wrote: > Also, on a 64 bit box with 4Gb, it gives this: > > cicely:~# cat /proc/mtrr > reg00: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1 > reg01: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 > reg02: base=0x140000000 (5120MB), size= 512MB: write-back, count=1 > reg03: base=0x160000000 (5632MB), size= 256MB: write-back, count=1 > reg04: base=0x80000000 (2048MB), size=2048MB: uncachable, count=1 > > Patch below cleans up formatting, with space for big bases and sizes (64 Gb). applied to tip/x86/mtrr, thanks! > +++ arch/x86/kernel/cpu/mtrr/if.c 2008-10-03 00:22:34.000000000 +0200 > @@ -16,7 +16,7 @@ > static const char *const mtrr_strings[MTRR_NUM_TYPES] = > { > "uncachable", /* 0 */ > - "write-combining", /* 1 */ > + "write-combine", /* 1 */ hm, maybe this bit could confuse versions of Xorg that modifies /proc/mtrr - i.e. this could be part of the ABI towards user-space. We'll see. Ingo -- 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