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2014 Jul 01
10
Libvirt installion error: You must install the libyajl library & headers to compile libvirt
...about this error and I downloaded 3 files (configure.ac, m4/virt-yajl.m4, src/qemu/qemu_capabilities.c) from the link given by Daniel Berrange (http://libvirt.org/git/?p=libvirt.git;a=commit;h=654c709baaa6fdcff6b6d38abb0b3c95188c0805) , but it does not work. Am I missing something? Best regards, Cheng -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listman.redhat.com/archives/libvirt-users/attachments/20140701/ffdd7307/attachment.htm>
2013 Nov 21
3
[LLVMdev] sinking address computing in CodeGenPrepare
----- Original Message ----- > From: "Evan Cheng" <evan.cheng at apple.com> > To: "Hal Finkel" <hfinkel at anl.gov> > Cc: "LLVM" <llvmdev at cs.uiuc.edu>, "Junbum Lim" <junbums at gmail.com> > Sent: Wednesday, November 20, 2013 7:48:13 PM > Subject: Re: [LLVMdev] sinking addr...
2012 Nov 13
5
[LLVMdev] Code Owner nominations
Hi all, I'd recommend Andy Trick be made code owner of "instruction scheduling" (including MI, pre-RA, and post-RA schedulers). I am also recommending Nadav Rotem be made code owner of "loop vectorizer". Evan
2013 Nov 22
2
[LLVMdev] sinking address computing in CodeGenPrepare
On Nov 21, 2013, at 4:47 PM, Evan Cheng <evan.cheng at apple.com> wrote: > > On Nov 20, 2013, at 10:38 PM, Hal Finkel <hfinkel at anl.gov> wrote: > >> ----- Original Message ----- >>> From: "Evan Cheng" <evan.cheng at apple.com> >>> To: "Hal Finkel" <hfinkel at...
2013 Nov 22
0
[LLVMdev] sinking address computing in CodeGenPrepare
On Nov 20, 2013, at 10:38 PM, Hal Finkel <hfinkel at anl.gov> wrote: > ----- Original Message ----- >> From: "Evan Cheng" <evan.cheng at apple.com> >> To: "Hal Finkel" <hfinkel at anl.gov> >> Cc: "LLVM" <llvmdev at cs.uiuc.edu>, "Junbum Lim" <junbums at gmail.com> >> Sent: Wednesday, November 20, 2013 7:48:13 PM >> Subject: Re: [LLVMde...
2014 Sep 25
2
[LLVMdev] MachineRegisterInfo use_iterator/reg_iterator?
Thanks Quentin. I'm trying to examine from the operands of the return instruction, and then to get the last assignment of those. I thought use_iterator/reg_iterator may suit better than just loop through the machine basicblock in the reverse order. Cheng-Chih On Thu, Sep 25, 2014 at 1:51 PM, Quentin Colombet <qcolombet at apple.com> wrote: > Hi Cheng-Chih, > > On Sep 25, 2014, at 9:14 AM, Yang, Cheng-Chih <Cheng-Chih.Yang at amd.com> > wrote: > > Hi folks, > > I would like to find out the machine instructions t...
2013 Nov 26
0
[LLVMdev] sinking address computing in CodeGenPrepare
On Nov 21, 2013, at 10:37 PM, Andrew Trick <atrick at apple.com> wrote: > > On Nov 21, 2013, at 4:47 PM, Evan Cheng <evan.cheng at apple.com> wrote: > >> >> On Nov 20, 2013, at 10:38 PM, Hal Finkel <hfinkel at anl.gov> wrote: >> >>> ----- Original Message ----- >>>> From: "Evan Cheng" <evan.cheng at apple.com> >>>> To: "Hal...
2013 Nov 21
2
[LLVMdev] sinking address computing in CodeGenPrepare
----- Original Message ----- > From: "Evan Cheng" <evan.cheng at apple.com> > To: "Junbum Lim" <junbums at gmail.com> > Cc: llvmdev at cs.uiuc.edu > Sent: Wednesday, November 20, 2013 7:01:49 PM > Subject: Re: [LLVMdev] sinking address computing in CodeGenPrepare > > > On Nov 20, 2013, at 3:10 PM...
2014 Apr 14
2
Re: LXC + USB passthrough = Operation not permitted
...<char/dev/mydevice</char> </source> </hostdev> Although I am not sure if my card is a char device, but it really works. If I use “ hostdev mode=’subsystem’”, it will fail to expose the PCIe card. From: Filip Maj [mailto:fil@saucelabs.com] Sent: 2014年4月14日 11:26 To: WANG Cheng D Cc: libvirt-users@redhat.com Subject: RE: [libvirt-users] LXC + USB passthrough = Operation not permitted Hi Chang Weng, Thanks for answering! Could you explain why subsystem=USB does not make sense? I was simply following the documentation for USB devices (right above the section you linked...
2014 Mar 17
2
a question on vCPU setting for lxc
...r. So I don't understand what 'vcpu' setting can be used for. I know that another CPU allocation element 'shares' can also be used, but this elements only give a relative quota. If new containers are started, the CPU quota for the already started containers will change. Regards, Cheng
2014 Sep 30
2
[LLVMdev] Custom pass that runs before EmitStartOfAsmFile()?
.... Looking through "Writing an LLVM pass" documentation, it's not clear to me if this is possible. I've also tried putting the pass in different orders (addPreISel, addIRPasses, and etc.). Am I missing something or this is just not possible to do? Any help is appreciated. Thanks, Cheng-Chih -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140930/78e83ad1/attachment.html>
2014 Apr 14
3
Re: LXC + USB passthrough = Operation not permitted
...aniel and I was using a thirty-party card. As a container uses a shared kernel with the host, so hostdev mode='subsystem' doesn't make sense. Maybe you can try to use hostdev mode='capabilities'. Please see http://libvirt.org/formatdomain.html#elementsHostDevCaps Hope this helps Cheng Wang
2014 Apr 14
2
Re: LXC + USB passthrough = Operation not permitted
.../dev/bus/usb. We are not entirely sure that `lsusb` and `usb-devices` > queries the appropriate location - it somehow gets information from the > host, not the guest container, as far as we can tell. > > If we specify the appropriate usb bus character device path (like you > suggest, Cheng), then it does appear inside the container, but the > permissions and ownership on the device seem to be incorrect. Here are the > details of the appropriate device busses in the host (002 and 003 are the > specific Android devices): > > $ ll /dev/bus/usb/002 > total 0 > drwxr-...
2013 Nov 21
0
[LLVMdev] sinking address computing in CodeGenPrepare
On Nov 20, 2013, at 5:38 PM, Hal Finkel <hfinkel at anl.gov> wrote: > ----- Original Message ----- >> From: "Evan Cheng" <evan.cheng at apple.com> >> To: "Junbum Lim" <junbums at gmail.com> >> Cc: llvmdev at cs.uiuc.edu >> Sent: Wednesday, November 20, 2013 7:01:49 PM >> Subject: Re: [LLVMdev] sinking address computing in CodeGenPrepare >> >> >>...
2012 May 17
2
[LLVMdev] [llvm-commits] [PATCH][RFC] Add extra arguments to TargetLowering::LowerCall() so targets have more context in which to construct call chains
...currently only addresses the X86 and NVPTX back-ends. Once the interface is solidified, I will update the rest of the in-tree targets. > >> -----Original Message----- >> From: Dan Gohman [mailto:gohman at apple.com] >> Sent: Thursday, April 19, 2012 4:28 PM >> To: Evan Cheng >> Cc: Justin Holewinski; llvmdev at cs.uiuc.edu; Commit Messages and Patches >> for LLVM; Vinod Grover >> Subject: Re: [llvm-commits] [PATCH][RFC] Add extra arguments to >> TargetLowering::LowerCall() so targets have more context in which to >> construct call chains &...
2014 Sep 25
2
[LLVMdev] MachineRegisterInfo use_iterator/reg_iterator?
...e order as the machine function? Maybe from the order that DAG is constructed? 2) Is there a way to go backward with these two iterators? For example, from use_end() to use_begin() with some decrement operator? I was wondering if 1) and 2) are true or just there's something I missed. Thanks! Cheng-Chih -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140925/ded4eed5/attachment.html>
2013 Nov 20
2
[LLVMdev] sinking address computing in CodeGenPrepare
...g in poor alias analysis because GEP is no longer used. So, do you think it is a possible workaround to sink a GEP without converting it into a set of integer operations (ptrtoint/add/inttoptr) if the address mode is derived only from a single GEP. Thanks, Jun On Nov 12, 2013, at 7:14 PM, Evan Cheng <evan.cheng at apple.com> wrote: > > On Nov 12, 2013, at 11:24 AM, Junbum Lim <junbums at gmail.com> wrote: > >> >> I wonder why CodeGenPrepare breaks GEP into integer calculations (ptrtoin/add/inttopt) instead of directly sinking the address calculation using G...
2014 Aug 15
2
[LLVMdev] Default/initial values for function arguments?
...live-in value which is defined from outside of the function. I could, at the ISelLowering stage when seeing an ADD, replace the “%0” with a i32 constant 0, but I don’t feel like this is the right approach. Should I try to look into SUBREG_TO_REG/INSERT_REG here? Or any other thoughts? Thanks, - Cheng-Chih
2012 Apr 19
2
[LLVMdev] [llvm-commits] [PATCH][RFC] Add extra arguments to TargetLowering::LowerCall() so targets have more context in which to construct call chains
On Apr 19, 2012, at 12:46 PM, Evan Cheng <evan.cheng at apple.com> wrote: > > On Apr 19, 2012, at 11:15 AM, Justin Holewinski wrote: > >> >> From: Evan Cheng [mailto:evan.cheng at apple.com] >> Sent: Thursday, April 19, 2012 10:47 AM >> To: Justin Holewinski >> Cc: llvmdev at cs.uiuc.edu;...
2009 Mar 31
1
[LLVMdev] 转发: Re: Dear Evan Chang, Re: help: about how to use tblgen to constraint operand.
...ster class for MVT::f64. I have fixed it. Thanks your advice. "-view-legalize-dags" is very good option. But I don't know why my LLC do not know " -view-legalize-type-dags" option. By the way, I use llvm 2.5 merged from llvm2.4. Best Regards, Ren Kun --- 09年3月31日,周二, Evan Cheng <echeng at apple.com> 写道: 发件人: Evan Cheng <echeng at apple.com> 主题: Re: [LLVMdev] Dear Evan Chang, Re: help: about how to use tblgen to constraint operand. 收件人: hbrenkun at yahoo.cn, "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu> 日期: 2009,331,周二,1:04上午 This is...