From: kbuild test robot <lkp@intel.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: kbuild-all@01.org, linuxppc-dev@lists.ozlabs.org,
"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH] powerpc/64s/radix: Fix MADV_[FREE|DONTNEED] TLB flush miss problem with THP
Date: Thu, 14 Jun 2018 08:35:09 +0800 [thread overview]
Message-ID: <201806140817.zIpyx1oz%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180613095858.31078-1-npiggin@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 20268 bytes --]
Hi Nicholas,
I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on next-20180613]
[cannot apply to v4.17]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc-64s-radix-Fix-MADV_-FREE-DONTNEED-TLB-flush-miss-problem-with-THP/20180613-180928
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-cell_defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=powerpc
All error/warnings (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:5:0,
from arch/powerpc/include/asm/bug.h:128,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/mm.h:9,
from arch/powerpc/mm/tlb-radix.c:12:
In function '__radix__flush_tlb_range',
inlined from 'radix__tlb_flush' at arch/powerpc/mm/tlb-radix.c:898:3:
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_745' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
>> include/linux/huge_mm.h:251:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:745:22: note: in expansion of macro 'HPAGE_PMD_SIZE'
hstart = (start + HPAGE_PMD_SIZE - 1) & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_745' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:250:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:745:44: note: in expansion of macro 'HPAGE_PMD_MASK'
hstart = (start + HPAGE_PMD_SIZE - 1) & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_746' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:250:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
arch/powerpc/mm/tlb-radix.c:746:17: note: in expansion of macro 'HPAGE_PMD_MASK'
hend = end & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_752' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:255:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:752:22: note: in expansion of macro 'HPAGE_PUD_SIZE'
gstart = (start + HPAGE_PUD_SIZE - 1) & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_752' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:254:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:752:44: note: in expansion of macro 'HPAGE_PUD_MASK'
gstart = (start + HPAGE_PUD_SIZE - 1) & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_753' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:254:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
arch/powerpc/mm/tlb-radix.c:753:17: note: in expansion of macro 'HPAGE_PUD_MASK'
gend = end & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_745' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
>> include/linux/huge_mm.h:251:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:745:22: note: in expansion of macro 'HPAGE_PMD_SIZE'
hstart = (start + HPAGE_PMD_SIZE - 1) & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
>> include/linux/compiler.h:339:38: error: call to '__compiletime_assert_745' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:250:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:745:44: note: in expansion of macro 'HPAGE_PMD_MASK'
hstart = (start + HPAGE_PMD_SIZE - 1) & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_746' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:250:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
arch/powerpc/mm/tlb-radix.c:746:17: note: in expansion of macro 'HPAGE_PMD_MASK'
hend = end & HPAGE_PMD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_752' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:255:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:752:22: note: in expansion of macro 'HPAGE_PUD_SIZE'
gstart = (start + HPAGE_PUD_SIZE - 1) & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_752' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:254:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
>> arch/powerpc/mm/tlb-radix.c:752:44: note: in expansion of macro 'HPAGE_PUD_MASK'
gstart = (start + HPAGE_PUD_SIZE - 1) & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
include/linux/compiler.h:339:38: error: call to '__compiletime_assert_753' declared with attribute error: BUILD_BUG failed
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:319:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:79:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:254:27: note: in expansion of macro 'BUILD_BUG'
#define HPAGE_PUD_MASK ({ BUILD_BUG(); 0; })
^~~~~~~~~
arch/powerpc/mm/tlb-radix.c:753:17: note: in expansion of macro 'HPAGE_PUD_MASK'
gend = end & HPAGE_PUD_MASK;
^~~~~~~~~~~~~~
vim +/HPAGE_PMD_SIZE +745 arch/powerpc/mm/tlb-radix.c
691
692 static inline void __radix__flush_tlb_range(struct mm_struct *mm,
693 unsigned long start, unsigned long end,
694 bool flush_all_sizes)
695
696 {
697 unsigned long pid;
698 unsigned int page_shift = mmu_psize_defs[mmu_virtual_psize].shift;
699 unsigned long page_size = 1UL << page_shift;
700 unsigned long nr_pages = (end - start) >> page_shift;
701 bool local, full;
702
703 pid = mm->context.id;
704 if (unlikely(pid == MMU_NO_CONTEXT))
705 return;
706
707 preempt_disable();
708 smp_mb(); /* see radix__flush_tlb_mm */
709 if (!mm_is_thread_local(mm)) {
710 if (unlikely(mm_is_singlethreaded(mm))) {
711 if (end != TLB_FLUSH_ALL) {
712 exit_flush_lazy_tlbs(mm);
713 goto is_local;
714 }
715 }
716 local = false;
717 full = (end == TLB_FLUSH_ALL ||
718 nr_pages > tlb_single_page_flush_ceiling);
719 } else {
720 is_local:
721 local = true;
722 full = (end == TLB_FLUSH_ALL ||
723 nr_pages > tlb_local_single_page_flush_ceiling);
724 }
725
726 if (full) {
727 if (local) {
728 _tlbiel_pid(pid, RIC_FLUSH_TLB);
729 } else {
730 if (mm_needs_flush_escalation(mm))
731 _tlbie_pid(pid, RIC_FLUSH_ALL);
732 else
733 _tlbie_pid(pid, RIC_FLUSH_TLB);
734 }
735 } else {
736 bool hflush = flush_all_sizes;
737 bool gflush = flush_all_sizes;
738 unsigned long hstart, hend;
739 unsigned long gstart, gend;
740
741 if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE))
742 hflush = true;
743
744 if (hflush) {
> 745 hstart = (start + HPAGE_PMD_SIZE - 1) & HPAGE_PMD_MASK;
746 hend = end & HPAGE_PMD_MASK;
747 if (hstart == hend)
748 hflush = false;
749 }
750
751 if (gflush) {
> 752 gstart = (start + HPAGE_PUD_SIZE - 1) & HPAGE_PUD_MASK;
753 gend = end & HPAGE_PUD_MASK;
754 if (gstart == gend)
755 gflush = false;
756 }
757
758 asm volatile("ptesync": : :"memory");
759 if (local) {
760 __tlbiel_va_range(start, end, pid, page_size, mmu_virtual_psize);
761 if (hflush)
762 __tlbiel_va_range(hstart, hend, pid,
763 HPAGE_PMD_SIZE, MMU_PAGE_2M);
764 if (gflush)
765 __tlbiel_va_range(gstart, gend, pid,
766 HPAGE_PUD_SIZE, MMU_PAGE_1G);
767 asm volatile("ptesync": : :"memory");
768 } else {
769 __tlbie_va_range(start, end, pid, page_size, mmu_virtual_psize);
770 if (hflush)
771 __tlbie_va_range(hstart, hend, pid,
772 HPAGE_PMD_SIZE, MMU_PAGE_2M);
773 if (gflush)
774 __tlbie_va_range(gstart, gend, pid,
775 HPAGE_PUD_SIZE, MMU_PAGE_1G);
776 fixup_tlbie();
777 asm volatile("eieio; tlbsync; ptesync": : :"memory");
778 }
779 }
780 preempt_enable();
781 }
782
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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prev parent reply other threads:[~2018-06-14 0:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-13 9:58 [PATCH] powerpc/64s/radix: Fix MADV_[FREE|DONTNEED] TLB flush miss problem with THP Nicholas Piggin
2018-06-14 0:35 ` kbuild test robot [this message]
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