Protection ring: Revision history

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curprev 10:3710:37, 8 October 2026 Dtf1978 talk contribs m 31,727 bytes +3 url syntax only undo

curprev 04:4804:48, 19 September 2026 ChomponU Pongsawet talk contribs 31,724 bytes −4 →(top): MOS:CURLY undo Tags: Mobile edit Mobile web edit Advanced mobile edit
curprev 04:4504:45, 19 September 2026 ~2026-50428-40 talk 31,728 bytes +145 No edit summary undo

curprev 00:3100:31, 7 July 2026 Oklopfer talk contribs m 31,583 bytes +23 substitute per MOS:SECTIONANCHOR undo Tag: JWB

curprev 03:3403:34, 31 March 2026 Willmish talk contribs m 31,560 bytes −40 →Use of hardware features: remove microkernel performance misconception/missing reference undo

curprev 07:3707:37, 26 February 2026 Guy Harris talk contribs 31,600 bytes −8 →Privilege level: Phrase it a bit more cleanly. undo
curprev 07:3607:36, 26 February 2026 Guy Harris talk contribs 31,608 bytes +5 →Privilege level: The 8086 doesn't have protection rings, so code running on an 8086 doesn't run in *any* privilege level/ring. Use User:Chatul's suggested wording. undo

curprev 11:0511:05, 25 February 2026 Uzume talk contribs m 31,603 bytes +2 →Privilege level: Containerization (computing) undo

curprev 21:2821:28, 30 October 2025 131.156.156.149 talk 31,601 bytes +48 changed link that led to nothing undo Tag: Visual edit

curprev 09:4109:41, 17 October 2025 Not-cheesewhisk3rs talk contribs m 31,553 bytes −1 fix reference spacing (MOS:REFPUNCT) undo Tags: JWB Mobile edit Mobile web edit Advanced mobile edit

curprev 20:3020:30, 27 September 2025 MakaylaHippo1998 talk contribs 31,554 bytes −460 Reverting edit(s) by Johnyaugthao (talk) to rev. 1313713170 by Babysharkboss2: Non-constructive edit (UV 0.1.6) undo Tags: Ultraviolet Undo
curprev 20:3020:30, 27 September 2025 Johnyaugthao talk contribs 32,014 bytes +460 No edit summary undo Tags: Reverted Mobile edit Mobile web edit Disambiguation links added
curprev 19:5319:53, 27 September 2025 Babysharkboss2 talk contribs m 31,554 bytes −7,129 Reverted 1 edit by Johnyaugthao (talk) to last revision by Guy Harris undo Tags: Twinkle Undo
curprev 19:5119:51, 27 September 2025 Johnyaugthao talk contribs 38,683 bytes +7,129 Wikipedia Search Notification (1) Get started here! Open the side menu and tap ⁠Johnyaugthao to visit your homepage. Protection ring Article Talk Language Watch View history Edit More Several terms redirect here. For other uses, see Ring (disambiguation) and Ring 0 (disambiguation). Learn more This article includes a list of general references, but it lacks sufficient corresponding inline citations. (February 2015) In computer science, hierarchical protection domains,[1][2] often called pr... undo Tags: Reverted Mobile edit Mobile web edit

curprev 09:3709:37, 31 August 2025 Guy Harris talk contribs 31,554 bytes +16 Link "X86S" to x86-64#X86S. undo

curprev 05:5305:53, 6 August 2025 GreenC bot talk contribs 31,538 bytes +135 Rescued 1 archive link. Wayback Medic 2.5 per WP:URLREQ#anandtech.com undo

curprev 00:5800:58, 28 July 2025 86.57.34.72 talk 31,403 bytes +17 Fixed grammar, added link undo Tags: Mobile edit Mobile app edit iOS app edit App section source

curprev 01:3401:34, 14 April 2025 Citation bot talk contribs 31,386 bytes +4 Altered pages. Formatted dashes. | Use this bot. Report bugs. | Suggested by Dominic3203 | Category:Central processing unit | #UCB_Category 76/79 undo

curprev 22:1222:12, 15 February 2025 Rodw talk contribs m 31,382 bytes +24 Disambiguating links to Pearson (link changed to Pearson PLC; link changed to Pearson PLC) using DisamAssist. undo
curprev 13:4213:42, 15 February 2025 Balder16 talk contribs m 31,358 bytes +395 Add Tanembaum reference to other paragraphs undo Tags: Mobile edit Mobile app edit iOS app edit App section source
curprev 13:3613:36, 15 February 2025 Balder16 talk contribs m 30,963 bytes +396 Add Tanembaum book reference about the number of rings used in current OS undo Tags: Mobile edit Mobile app edit iOS app edit App section source Disambiguation links added

curprev 00:3200:32, 21 January 2025 Guy Harris talk contribs 30,567 bytes +3 With the cancelation of x86s, rings 1 and 2 won't be removed; they were to be removed if x86s became an official architecture. undo

curprev 23:5023:50, 20 January 2025 Velocifyer talk contribs 30,564 bytes +8 intel canceld x86s undo Tag: Visual edit

curprev 20:4020:40, 19 January 2025 SforSamuelYT talk contribs m 30,556 bytes −26 Simply has the text “monolithic kernel” to link to the monolithic kernel Wikipedia page, while previously was the “kernel” part of the word was hyperlinked to `kernel_(operating system)`. That hyperlink should be placed somewhere else and not in a sentence talking about different types of kernels undo Tags: Visual edit Mobile edit Mobile web edit

curprev 13:0613:06, 24 December 2024 RedDeadGuy talk contribs 30,582 bytes −27 No edit summary undo Tag: Visual edit

curprev 06:1006:10, 16 December 2024 AnomieBOT talk contribs m 30,609 bytes +19 Dating maintenance tags: {{When}} undo
curprev 04:0904:09, 16 December 2024 172.59.184.216 talk 30,590 bytes +8 MOS:RECENT; the actual time was not apparent from the citation undo

curprev 20:0220:02, 21 November 2024 Guy Harris talk contribs 30,582 bytes −1 →Hypervisor mode: "VT-x and AMD-V" are two things, so the verb "allow" must be plural present tense, hence "{they} allow" rather than {they} allows". undo
curprev 20:0020:00, 21 November 2024 Guy Harris talk contribs 30,583 bytes −25 →Hypervisor mode: Secure Virtual Machine redirects to X86 virtualization#AMD virtualization (AMD-V), already linked as AMD-V above; that section notes that SVM was a name used before they called it AMD-V. So just refer to it as AMD-V. undo
curprev 19:5819:58, 21 November 2024 Guy Harris talk contribs 30,608 bytes +5 →Hypervisor mode: ce undo
curprev 19:5619:56, 21 November 2024 Guy Harris talk contribs 30,603 bytes +169 →Hypervisor mode: Put back the sentence that explained how guest OSes ran under ring 1, introducing the "Trap and Emulate term, into a separate paragraph. undo

curprev 03:5503:55, 27 October 2024 A Casual User of Wiki talk contribs m 30,434 bytes 0 No edit summary undo Tag: Visual edit
curprev 03:5403:54, 27 October 2024 A Casual User of Wiki talk contribs 30,434 bytes −183 Corrected inaccurate information. undo Tag: Visual edit

curprev 05:0405:04, 25 September 2024 Citation bot talk contribs 30,617 bytes −53 Alter: title, pages. Removed URL that duplicated identifier. Formatted dashes. | Use this bot. Report bugs. | Suggested by Dominic3203 | Category:Operating system technology | #UCB_Category 16/91 undo

curprev 00:4100:41, 22 July 2024 Imeriki al-Shimoni talk contribs 30,670 bytes +7 →Hypervisor mode: grammar: added 'the' and 'to'. "and guest OS both run"→"and the guest OS to both run" undo
curprev 00:3800:38, 22 July 2024 Imeriki al-Shimoni talk contribs 30,663 bytes +2 →Hypervisor mode: verb fixes : "run"→"ran"; "will produces"→"will produce"; "handled"→"be handled" undo
curprev 00:2700:27, 22 July 2024 Imeriki al-Shimoni talk contribs 30,661 bytes −2 →Implementations: "using"→"use" undo
curprev 00:2500:25, 22 July 2024 Imeriki al-Shimoni talk contribs 30,663 bytes +1 →Implementations: added missing left parenthetical comma undo

curprev 13:0613:06, 8 June 2024 79.185.134.102 talk 30,662 bytes 0 No edit summary undo

curprev 12:4112:41, 30 May 2024 Zigxd talk contribs m 30,662 bytes +2 Fixed apparent typo undo

curprev 08:3308:33, 29 May 2024 Guy Harris talk contribs 30,660 bytes −1 →Hypervisor mode: Two separate virtualization assists, so plural "[A and B] allow" rather than singular "[A] allows". undo
curprev 06:4206:42, 29 May 2024 83.255.127.110 talk 30,661 bytes −1 Fixed what I observe as a spelling error. undo Tags: Visual edit Mobile edit Mobile web edit

curprev 10:1910:19, 28 May 2024 Guy Harris talk contribs 30,662 bytes −1 Remove space before reference. undo
curprev 09:1409:14, 28 May 2024 Levelneg128 talk contribs m 30,663 bytes +8 No edit summary undo Tag: Visual edit
curprev 09:0709:07, 28 May 2024 Levelneg128 talk contribs 30,655 bytes +863 1. Add X86S architecture info. 2. explains how virtual machine extensions work. 3. eliminated "ring -1" since it does not exist: "ring -1" is created as a easy-to-understand concept to explain how virtual machine extension controls permissions within ring 0. undo Tag: Visual edit

curprev 05:1705:17, 6 May 2024 OAbot talk contribs m 29,792 bytes +16 Open access bot: doi updated in citation with #oabot. undo

curprev 01:0101:01, 20 April 2024 Guy Harris talk contribs 29,776 bytes 0 →Implementations: On most platforms, operating systems have two "rings" to use, and they're not numbered, they're just "privileged mode" and "user mode". Note that using only rings 0 and 3 is what most OSes do on x86. undo
curprev 00:1500:15, 20 April 2024 Leonard LMT talk contribs 29,776 bytes +198 Added more detail on rings undo Tag: 2017 wikitext editor

curprev 13:2213:22, 3 April 2024 Bumm13 talk contribs m 29,578 bytes −22 formatting fix undo

curprev 21:4521:45, 2 March 2024 Mazewaxie talk contribs m 29,600 bytes +10 WP:GENFIXES undo Tag: AWB

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