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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Christian,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Maybe we need a change.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">{{{<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">index 4d26e9b..fb5448b 100644<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">@@ -65,7 +65,7 @@<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">#define AMDGPU_PTE_FRAG(x) ((x & 0x1f) << 7)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-#define AMDGPU_PTE_PRT (1UL << 63)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+#define AMDGPU_PTE_PRT (1ULL << 63)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">/* How to programm VM fault handling */<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">#define AMDGPU_VM_FAULT_STOP_NEVER 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">}}}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Jerry (Junwei Zhang)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Linux Base Graphics<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">SRDC Software
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Development<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">_____________________________________<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Christian König [mailto:deathsimple@vodafone.de]
<br>
<b>Sent:</b> Saturday, February 11, 2017 15:56<br>
<b>To:</b> Zhang, Jerry<br>
<b>Cc:</b> Deucher, Alexander; Haehnle, Nicolai; dri-devel@lists.freedesktop.org; Koenig, Christian<br>
<b>Subject:</b> Re: [radeon-alex:drm-next-4.12-wip 34/40] drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:620:4: warning: left shift count >= width of type<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Mhm, guys any idea why the build bot is spamming us with that warning?<br>
<br>
The type is 64bit and the shift is 63, so that should work fine.<br>
<br>
Regards,<br>
Christian.<br>
<br>
Am 10.02.2017 um 20:48 schrieb kbuild test robot:<o:p></o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.12-wip<o:p></o:p></pre>
<pre>head: d32ff0ea8e22964abcc6406e00a0646f2bfb94c7<o:p></o:p></pre>
<pre>commit: 382a21d981661dbc8198c37dc95707e1e381ce76 [34/40] drm/amdgpu: IOCTL interface for PRT support v4<o:p></o:p></pre>
<pre>config: xtensa-allmodconfig (attached as .config)<o:p></o:p></pre>
<pre>compiler: xtensa-linux-gcc (GCC) 4.9.0<o:p></o:p></pre>
<pre>reproduce:<o:p></o:p></pre>
<pre> wget <a href="https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross">https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross</a> -O ~/bin/make.cross<o:p></o:p></pre>
<pre> chmod +x ~/bin/make.cross<o:p></o:p></pre>
<pre> git checkout 382a21d981661dbc8198c37dc95707e1e381ce76<o:p></o:p></pre>
<pre> # save the attached .config to linux build tree<o:p></o:p></pre>
<pre> make.cross ARCH=xtensa <o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>All warnings (new ones prefixed by >>):<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c: In function 'amdgpu_gem_va_ioctl':<o:p></o:p></pre>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:620:4: warning: left shift count >= width of type<o:p></o:p></pre>
</blockquote>
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<pre> va_flags |= AMDGPU_PTE_PRT;<o:p></o:p></pre>
<pre> ^<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>vim +620 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre> 604 r = -ENOENT;<o:p></o:p></pre>
<pre> 605 goto error_backoff;<o:p></o:p></pre>
<pre> 606 }<o:p></o:p></pre>
<pre> 607 } else {<o:p></o:p></pre>
<pre> 608 bo_va = fpriv->prt_va;<o:p></o:p></pre>
<pre> 609 }<o:p></o:p></pre>
<pre> 610 <o:p></o:p></pre>
<pre> 611 switch (args->operation) {<o:p></o:p></pre>
<pre> 612 case AMDGPU_VA_OP_MAP:<o:p></o:p></pre>
<pre> 613 if (args->flags & AMDGPU_VM_PAGE_READABLE)<o:p></o:p></pre>
<pre> 614 va_flags |= AMDGPU_PTE_READABLE;<o:p></o:p></pre>
<pre> 615 if (args->flags & AMDGPU_VM_PAGE_WRITEABLE)<o:p></o:p></pre>
<pre> 616 va_flags |= AMDGPU_PTE_WRITEABLE;<o:p></o:p></pre>
<pre> 617 if (args->flags & AMDGPU_VM_PAGE_EXECUTABLE)<o:p></o:p></pre>
<pre> 618 va_flags |= AMDGPU_PTE_EXECUTABLE;<o:p></o:p></pre>
<pre> 619 if (args->flags & AMDGPU_VM_PAGE_PRT)<o:p></o:p></pre>
<pre> > 620 va_flags |= AMDGPU_PTE_PRT;<o:p></o:p></pre>
<pre> 621 r = amdgpu_vm_bo_map(adev, bo_va, args->va_address,<o:p></o:p></pre>
<pre> 622 args->offset_in_bo, args->map_size,<o:p></o:p></pre>
<pre> 623 va_flags);<o:p></o:p></pre>
<pre> 624 break;<o:p></o:p></pre>
<pre> 625 case AMDGPU_VA_OP_UNMAP:<o:p></o:p></pre>
<pre> 626 r = amdgpu_vm_bo_unmap(adev, bo_va, args->va_address);<o:p></o:p></pre>
<pre> 627 break;<o:p></o:p></pre>
<pre> 628 default:<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>---<o:p></o:p></pre>
<pre>0-DAY kernel test infrastructure Open Source Technology Center<o:p></o:p></pre>
<pre><a href="https://lists.01.org/pipermail/kbuild-all">https://lists.01.org/pipermail/kbuild-all</a> Intel Corporation<o:p></o:p></pre>
<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>dri-devel mailing list<o:p></o:p></pre>
<pre><a href="mailto:dri-devel@lists.freedesktop.org">dri-devel@lists.freedesktop.org</a><o:p></o:p></pre>
<pre><a href="https://lists.freedesktop.org/mailman/listinfo/dri-devel">https://lists.freedesktop.org/mailman/listinfo/dri-devel</a><o:p></o:p></pre>
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<p><o:p> </o:p></p>
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