search for: l2400

...e Used Avail Use% Mounted on /dev/mapper/campstovevg-root 81G 73G 3.4G 96% / $ mount | grep btrfs /dev/mapper/campstovevg-root on / type btrfs (rw,relatime,ssd) $ uname -a Linux campstove 2.6.36+ #5 SMP PREEMPT Mon Dec 20 09:28:14 PST 2010 i686 Intel(R) Core(TM) Duo CPU L2400 @ 1.66GHz GenuineIntel GNU/Linux ~/btrfs-unstable $ git log -n1 | head -n3 commit 83a50de97fe96aca82389e061862ed760ece2283 Author: Chris Mason <chris.mason@oracle.com> Date: Mon Dec 13 15:06:46 2010 -0500 ~/btrfs-progs-unstable $ git log -n1 | head -n3 commit 1b444cd2e6ab8dcafdd47dbaeaae3...

Sadly the latest optimization broke completely everything. The asm code isn't gas compliant. the libFLAC linker script has a typo, disabling the asm optimization and/or altivec won't let a correct build anyway. Instant fixes for the asm stuff: sed -i -e"s:;:\#:" on the lpc_asm.s to load address instead of addis+ori you could use lis and la and PLEASE use the @l(register)

...r31 ; for quadword-aligned stack data slwi r6,r6,2 ; adjust for word size slwi r4,r4,2 add r4,r4,r8 ; r4 = data+data_len mfspr r0,256 ; cache old vrsave addis r31,0,hi16(0xffc00000) ori r31,r31,lo16(0xffc00000) mtspr 256,r31 ; declare VRs in vrsave cmplw cr0,r8,r4 ; i<data_len bc 4,0,L2400 ; load coefficients into v0-v1 and initial history into v2-v3 li r31,0xf and r31,r8,r31 ; r31: data%4 li r11,16 subf r31,r31,r11 ; r31: 4-(data%4) slwi r31,r31,3 ; convert to bits for vsro li r10,-4 stw r31,-4(r9) lvewx v0,r10,r9 vspltisb v6,-1 vsro v6,v6,v0 ; v6: mask vector li r31,0...

Am considering a new laptop, and I wonder if anyone here can share their Xen experiences with the newest Core 2 Duo CPUs, ref http://www.intel.com/products/processor/core2duo/specifications.htm The list at http://wiki.xensource.com/xenwiki/HVM_Compatible_Processors doesn''t include any Core 2 Duos. Does that mean that people have had problems, or is the wiki just not up to date? I gather