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In x86_64 architecture, if I modify a PTE in the page table, when will it be sync to TLB?

score 30 · Answer 1 · 2024-03-13T04:04:06.683000

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In x86_64 architecture, if I modify a PTE in the page table, when will it be sync to TLB?

30 views Asked by ONE NO At 13 March 2024 at 04:04

score 48 · Answer 2 · 2024-02-29T08:24:49.060000

Troubleshooting ARM Cortex-A72 Address Translation: Seeking Clarification on Level 1 vs. Level 2 Translation and Register Analysis

48 views Asked by Purgoufr At 29 February 2024 at 08:24

score 30 · Answer 3 · 2024-02-12T23:24:36.243000

How does a TLB manage memory translation for addresses that cross page boundaries?

30 views Asked by Rahat At 12 February 2024 at 23:24

score 31 · Answer 4 · 2024-02-01T13:53:03.440000

size of TLB entry

31 views Asked by user148865 At 01 February 2024 at 13:53

score 14 · Answer 5 · 2024-01-27T02:56:32.287000

What's the purpose of ref bit in TLB

14 views Asked by AL-CEL At 27 January 2024 at 02:56

score 62 · Answer 6 · 2023-12-13T07:02:29.100000

Why does it take so long for cpu to write memory after it has obtained the physical address?

62 views Asked by persuez At 13 December 2023 at 07:02

score 62 · Answer 7 · 2023-10-31T07:49:25.750000

Will page table data be saved in the CPU cache?

62 views Asked by Frontier_Setter At 31 October 2023 at 07:49

score 246 · Answer 8 · 2023-10-31T07:30:34.383000

Will an x86_64 CPU notice that a page-table entry has changed to not-present while setting the dirty flag in the PTE?

246 views Asked by wang fuqiang At 31 October 2023 at 07:30

score 63 · Answer 9 · 2023-10-26T09:56:12.743000

Is L2 TLBs on the critical path for L1 cache accesses?

63 views Asked by Frontier_Setter At 26 October 2023 at 09:56

score 129 · Answer 10 · 2023-10-09T03:48:26.227000

How to set the Linux kernel to use transparent huge pages of 1GB page size?

129 views Asked by Frontier_Setter At 09 October 2023 at 03:48

score 67 · Answer 11 · 2023-10-03T07:32:27.347000

Is there any way to keep the dirty bit in x86 page tables coherent without TLB invalidates?

67 views Asked by Moonchild At 03 October 2023 at 07:32

score 87 · Answer 12 · 2023-09-27T04:26:04.983000

Getting count of TLB misses that resulted in memory access in x86-64

87 views Asked by Arun Kp At 27 September 2023 at 04:26

score 36 · Answer 13 · 2023-09-06T09:20:14.320000

Compute the number of TLB misses with a replacement policy consisting of LRU

36 views Asked by Jawad Fneish At 06 September 2023 at 09:20

score 38 · Answer 14 · 2023-07-06T15:54:43.130000

Measuring ITLB_FLUSH on icelake processors

38 views Asked by CH_skar At 06 July 2023 at 15:54

score 58 · Answer 15 · 2023-06-18T11:13:15.640000

when to clear the TLB if using process identifier?

58 views Asked by An5Drama At 18 June 2023 at 11:13

score 64 · Answer 16 · 2023-04-20T05:11:54.470000

What happens on a TLB miss? Is pipelined stalled? Exception raised?

64 views Asked by harrySherlock At 20 April 2023 at 05:11

score 68 · Answer 17 · 2023-04-15T16:07:51.117000

Virtual Memory Manager code, not calculating the physical address correctly

68 views Asked by Cmcbride At 15 April 2023 at 16:07

score 39 · Answer 18 · 2023-04-02T11:33:16.723000

Do hugepages guarantee a single tlb entry in the kernel driver when allocated with alloc_pages(GFP_KERNEL | __GFP_COMP)?

39 views Asked by cryptobeginner At 02 April 2023 at 11:33

score 159 · Answer 19 · 2023-03-22T11:35:17.110000

What happens to the TLB during a segmentation fault?

159 views Asked by masterofgrapefruit At 22 March 2023 at 11:35

score 133 · Answer 20 · 2023-03-11T08:49:53.480000

What happens after TLB miss in x86?

133 views Asked by Hod Badihi At 11 March 2023 at 08:49

TechQA.

List Question

In x86_64 architecture, if I modify a PTE in the page table, when will it be sync to TLB?

Troubleshooting ARM Cortex-A72 Address Translation: Seeking Clarification on Level 1 vs. Level 2 Translation and Register Analysis

How does a TLB manage memory translation for addresses that cross page boundaries?

size of TLB entry

What's the purpose of ref bit in TLB

Why does it take so long for cpu to write memory after it has obtained the physical address?

Will page table data be saved in the CPU cache?

Will an x86_64 CPU notice that a page-table entry has changed to not-present while setting the dirty flag in the PTE?

Is L2 TLBs on the critical path for L1 cache accesses?

How to set the Linux kernel to use transparent huge pages of 1GB page size?

Is there any way to keep the dirty bit in x86 page tables coherent without TLB invalidates?

Getting count of TLB misses that resulted in memory access in x86-64

Compute the number of TLB misses with a replacement policy consisting of LRU

Measuring ITLB_FLUSH on icelake processors

when to clear the TLB if using process identifier?

What happens on a TLB miss? Is pipelined stalled? Exception raised?

Virtual Memory Manager code, not calculating the physical address correctly

Do hugepages guarantee a single tlb entry in the kernel driver when allocated with alloc_pages(GFP_KERNEL | __GFP_COMP)?

What happens to the TLB during a segmentation fault?

What happens after TLB miss in x86?

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