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We can't copy_*_user while holding reservations, that will (soon even for nouveau) lead to deadlocks. And it breaks the cross-driver contract around dma_resv. Fix this by adding a slowpath for when we need relocations, and by pushing the writeback of the new presumed offsets to the very end. Aside from "it compiles" entirely untested unfortunately. Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> Cc: Ben Skeggs <bskeggs at redhat.com> Cc: nouveau at lists.freedesktop.org --- drivers/gpu/drm/nouveau/nouveau_gem.c | 57 ++++++++...

We can't copy_*_user while holding reservations, that will (soon even for nouveau) lead to deadlocks. And it breaks the cross-driver contract around dma_resv. Fix this by adding a slowpath for when we need relocations, and by pushing the writeback of the new presumed offsets to the very end. Aside from "it compiles" entirely untested unfortunately. Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> Cc: Ilia Mirkin <imirkin at alum.mit.edu> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com> Cc: Ben Skeggs <bske...

We can't copy_*_user while holding reservations, that will (soon even for nouveau) lead to deadlocks. And it breaks the cross-driver contract around dma_resv. Fix this by adding a slowpath for when we need relocations, and by pushing the writeback of the new presumed offsets to the very end. Aside from "it compiles" entirely untested unfortunately. Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> Cc: Ilia Mirkin <imirkin at alum.mit.edu> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com> Cc: Ben Skeggs <bske...

...'t make much sense here it is anway... Core image of imap (process p1) created CORE FILE [makedev in cmd-status.c@sys/mkdev.h] SIGNALED 8 (fpe code[FPE_INTDIV] address[0x804e38b]) in p1 76: return __makedev(ver, maj, min); debug> Stack Trace for p1, Program imap *[0] makedev(maj=16, min=1, presumed: 0x8094258) [cmd-status.c@sys/mkdev.h@76] [1] cmd_store(cmd=0x0, presumed: 0x1, 0x80947a0) [cmd-store.c@139] [2] _cmd_select_full(cmd=0x8072498, readonly=false) [cmd-select.c@84] [3] cmd_store(cmd=0x10, presumed: 0x807d184, 0x8047cac) [cmd-store.c@74] [4] minor(dev=134511756, presumed: 0x8055...

We can't copy_*_user while holding reservations, that will (soon even for nouveau) lead to deadlocks. And it breaks the cross-driver contract around dma_resv. Fix this by adding a slowpath for when we need relocations, and by pushing the writeback of the new presumed offsets to the very end. Aside from "it compiles" entirely untested unfortunately. Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> Cc: Ben Skeggs <bskeggs at redhat.com> Cc: nouveau at lists.freedesktop.org --- drivers/gpu/drm/nouveau/nouveau_gem.c | 57 ++++++++...

...rote: > We can't copy_*_user while holding reservations, that will (soon even > for nouveau) lead to deadlocks. And it breaks the cross-driver > contract around dma_resv. > > Fix this by adding a slowpath for when we need relocations, and by > pushing the writeback of the new presumed offsets to the very end. > > Aside from "it compiles" entirely untested unfortunately. > > Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> > Cc: Ben Skeggs <bskeggs at redhat.com> > Cc: nouveau at lists.freedesktop.org Ping for some review/test...

...rote: > We can't copy_*_user while holding reservations, that will (soon even > for nouveau) lead to deadlocks. And it breaks the cross-driver > contract around dma_resv. > > Fix this by adding a slowpath for when we need relocations, and by > pushing the writeback of the new presumed offsets to the very end. > > Aside from "it compiles" entirely untested unfortunately. > > Signed-off-by: Daniel Vetter <daniel.vetter at intel.com> > Cc: Ilia Mirkin <imirkin at alum.mit.edu> > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.c...

There is an rsync/popt/config.log in CVS - presumably an accidental "cvs add". Max.

Just a few bug-reports, before I forget: - A Windows installer bug for 4.06 and presumably 5.00-pre9 whereby the ADV contains backslashes. Reproduced with: syslinux.exe --directory \two\dirs e: - An open() (?) bug for 4.06 and presumably 5.00-pre9 whereby the filename /ubcd/custom/syslinux-5.00-pre9/com32/gplinclude/acpi/facs.h fails to open() after 134 iterations in a loop where i...

From: Maarten Lankhorst <maarten.lankhorst at canonical.com> Commit de7b7d59d54852c introduced tiled GART, but a linear copy is still performed. This may result in errors on eviction, fix it by checking tiling from memtype. Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com> Cc: stable at vger.kernel.org #3.10+ --- drivers/gpu/drm/nouveau/nouveau_bo.c | 33

On Wed, Mar 25, 2015 at 03:47:39PM -0400, Konrad Rzeszutek Wilk wrote: > Ah nice. That could be spun out as a seperate patch to optimize the existing > ticket locks I presume. Yes I suppose we can do something similar for the ticket and patch in the right increment. We'd need to restructure the code a bit, but its not fundamentally impossible. We could equally apply the head hashing to the current ticket implementation and avoid the current bitmap iteration. &gt...

On Wed, Mar 25, 2015 at 03:47:39PM -0400, Konrad Rzeszutek Wilk wrote: > Ah nice. That could be spun out as a seperate patch to optimize the existing > ticket locks I presume. Yes I suppose we can do something similar for the ticket and patch in the right increment. We'd need to restructure the code a bit, but its not fundamentally impossible. We could equally apply the head hashing to the current ticket implementation and avoid the current bitmap iteration. &gt...

I am, from a front end, calling functions like LLVMModuleCreateWithName, found in Core.h, ultimately calling LLVMWriteBitcodeToFile, found in BitWriter.h. Do I correctly presume, from the existence of LLVMDisposeModule, that I am responsible for calling it when I'm done? Will I need to do deeper disposing myself? I presume at least I will need to free strings I allocated myself, such as the module name I passed in. What about, for example, llvm::DIBuilder::DICreate...

I'm reading in ~3 years worth of data that includes hourly timestamps. Presumably to avoid DST confusion, all the data is in PST time zone -- no discontinuities in the spring or fall. The data comes in a csv file, which I'm reading with myvariable <- read.csv("my_data_file.csv",header=FALSE, col.names=c("timedate","values"),colClasses=c...

On 13 January 2015 at 08:21, Dan Tenenbaum wrote: | Where should the package source be downloaded from? I see it in CRAN (but presumably the latest version that causes the issue is not yet downloadable) and in github. The "presumable" assumption is incorrect AFAIK. The error should presumably came up in both versions as annoylib.h did not change there. Feel free to prove me wrong :) and just use whatever is easiest...

...ould make more sense in some cases---after all, the problem is clearly that coefficients cannot be computed. I know that I can trap the lm.fit() error---although I have always found this to be quite inconvenient---and this is easy if I have only one regression in my lm() statement. but, let's presume I have a matrix with a few thousand dependent y variables (and the same independent X variables). Let's presume one of the y variables contains only NA's. I believe I now cannot use lm(y ~ X), because one of the regressions will throw the lm.fit exception. (all the other y vectors shoul...

Hi, FYI, Red Hat released an advisory today about a vulnerability in Ruby. So far it doesn't appear in the VuXML, but am I correct in presuming it will soon? https://rhn.redhat.com/errata/RHSA-2006-0604.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3694 cheers, -- Joel Hatton -- Infrastructure Manager | Hotline: +61 7 3365 4417 AusCERT - Australia's national CERT | Fax: +61 7 3365 7031 The University...

...my new CPUID/MSR driver, which contains support for registers that need arbitrary GPRs touched. For i386 vs x86-64 compatibility, both use an x86-64 register image (16 64-bit register fields); this allows 32-bit userspace to access the full 64-bit image if the kernel is 64 bits. Anyway, this presumably requires new paravirtualization hooks. The patch is at: http://www.kernel.org/pub/linux/kernel/people/hpa/new-cpuid-msr.patch ... and a git tree is at ... http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-cpuidmsr.git;a=summary I'm posting this here to give the paravirt maintain...

...my new CPUID/MSR driver, which contains support for registers that need arbitrary GPRs touched. For i386 vs x86-64 compatibility, both use an x86-64 register image (16 64-bit register fields); this allows 32-bit userspace to access the full 64-bit image if the kernel is 64 bits. Anyway, this presumably requires new paravirtualization hooks. The patch is at: http://www.kernel.org/pub/linux/kernel/people/hpa/new-cpuid-msr.patch ... and a git tree is at ... http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-cpuidmsr.git;a=summary I'm posting this here to give the paravirt maintain...

...in 2.0.16 I am seeing the same issues. I believe this would be related to some timeouts set on our mysql servers which are pretty low (30 or 60 seconds or so to drop idle connections). This is happening for imap, pop and lmtp processes when they try to update quotas stored in a mysql database; presumably it is the dict process that actually has these issues - the lmtp delivery isn't lasting longer than 1 second so shouldn't be seeing any timeouts there. This is always followed by the "Error: dict quota: Quota update failed, it's now desynced" line; presumably it is tel...