Re: ARM is sort of channeling the IBM 360

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Sujet : Re: ARM is sort of channeling the IBM 360
De : johnl (at) *nospam* taugh.com (John Levine)
Groupes : comp.arch
Date : 20. Jun 2024, 19:45:47
Autres entêtes
Organisation : Taughannock Networks
Message-ID : <v51tcr$26io$1@gal.iecc.com>
References : 1
User-Agent : trn 4.0-test77 (Sep 1, 2010)
According to John Savard  <quadibloc@servername.invalid>:
I saw this article about a memory-proitection mechanism on ARM that
has been  bypassed...
>
https://www.techspot.com/news/103440-researchers-crack-arm-memory-safety-mechanism-achieve-95.html
>
and I was struck by how similar it sounds to the memory keys used on
the 360.

It's not that close.  S/360 had a single key in the PSW that it matched against
all of a program's storage refrences while this has the tag in a pointer, so
it's more like a capability.

The x86 protection keys are more like S/360. There's a key for each
virtual page and a PKRU register that has to match.

--
Regards,
John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

Date Sujet#  Auteur
20 Jun 24 * ARM is channeling the IBM 360102John Savard
20 Jun 24 +* Re: ARM is sort of channeling the IBM 36095John Levine
21 Jun 24 i`* Re: ARM is sort of channeling the IBM 36094Lynn Wheeler
24 Jun 24 i `* Re: ARM is sort of channeling the IBM 36093Lawrence D'Oliveiro
24 Jun 24 i  +* Re: ancient OS history, ARM is sort of channeling the IBM 36090John Levine
24 Jun 24 i  i+* Re: ancient OS history, ARM is sort of channeling the IBM 36087Lynn Wheeler
24 Jun 24 i  ii+* Re: ancient OS history, ARM is sort of channeling the IBM 36082Lawrence D'Oliveiro
25 Jun 24 i  iii`* Re: ancient OS history, ARM is sort of channeling the IBM 36081John Levine
25 Jun 24 i  iii +* Re: ancient OS history, ARM is sort of channeling the IBM 36073Lawrence D'Oliveiro
25 Jun 24 i  iii i`* Re: ancient OS history, ARM is sort of channeling the IBM 36072Stephen Fuld
25 Jun 24 i  iii i +* Re: ancient OS history, ARM is sort of channeling the IBM 36064Stephen Fuld
26 Jun 24 i  iii i i`* Re: ancient OS history, ARM is sort of channeling the IBM 36063Stephen Fuld
26 Jun 24 i  iii i i `* Re: ancient OS history, ARM is sort of channeling the IBM 36062Lawrence D'Oliveiro
26 Jun 24 i  iii i i  +* Re: ancient OS history, ARM is sort of channeling the IBM 36057John Levine
26 Jun 24 i  iii i i  i`* Re: ancient OS history, ARM is sort of channeling the IBM 36056Lawrence D'Oliveiro
27 Jun 24 i  iii i i  i `* Re: ancient OS history, ARM is sort of channeling the IBM 36055John Levine
27 Jun 24 i  iii i i  i  `* Re: ancient OS history, ARM is sort of channeling the IBM 36054MitchAlsup1
28 Jun 24 i  iii i i  i   `* Re: ancient OS history, ARM is sort of channeling the IBM 36053Lawrence D'Oliveiro
28 Jun 24 i  iii i i  i    +- Re: TSS I/O, ancient OS history1John Levine
28 Jun 24 i  iii i i  i    `* Re: ancient OS history, ARM is sort of channeling the IBM 36051MitchAlsup1
28 Jun 24 i  iii i i  i     `* Re: ancient OS history, ARM is sort of channeling the IBM 36050Lawrence D'Oliveiro
29 Jun 24 i  iii i i  i      `* Re: ancient OS history, ARM is sort of channeling the IBM 36049Stephen Fuld
29 Jun 24 i  iii i i  i       `* Re: ancient OS history, ARM is sort of channeling the IBM 36048John Levine
30 Jun 24 i  iii i i  i        +* Re: ancient OS history, ARM is sort of channeling the IBM 36032Lawrence D'Oliveiro
30 Jun 24 i  iii i i  i        i+- Re: ancient OS history, ARM is sort of channeling the IBM 3601MitchAlsup1
30 Jun 24 i  iii i i  i        i`* Re: ancient OS history, ARM is sort of channeling the IBM 36030Stephen Fuld
30 Jun 24 i  iii i i  i        i +* Re: ancient OS history, ARM is sort of channeling the IBM 36024Lawrence D'Oliveiro
30 Jun 24 i  iii i i  i        i i+* Re: ancient OS history, ARM is sort of channeling the IBM 36022Lynn Wheeler
30 Jun 24 i  iii i i  i        i ii`* Re: ancient OS history, ARM is sort of channeling the IBM 36021John Dallman
30 Jun 24 i  iii i i  i        i ii +* Re: ancient OS history, ARM is sort of channeling the IBM 36019Thomas Koenig
30 Jun 24 i  iii i i  i        i ii i+* Re: ancient OS history, ARM is sort of channeling the IBM 3608Michael S
30 Jun 24 i  iii i i  i        i ii ii+* Re: ancient OS history, ARM is sort of channeling the IBM 3606Thomas Koenig
30 Jun 24 i  iii i i  i        i ii iii+* Re: ancient OS history, ARM is sort of channeling the IBM 3604Stephen Fuld
30 Jun 24 i  iii i i  i        i ii iiii`* Re: base registers, ancient OS history, ARM is sort of channeling the IBM 3603John Levine
1 Jul 24 i  iii i i  i        i ii iiii `* Re: base registers, ancient OS history, ARM is sort of channeling the IBM 3602Lawrence D'Oliveiro
1 Jul 24 i  iii i i  i        i ii iiii  `- Re: base registers, ancient OS history, ARM is sort of channeling the IBM 3601John Levine
30 Jun 24 i  iii i i  i        i ii iii`- Re: ancient OS history, ARM is sort of channeling the IBM 3601MitchAlsup1
30 Jun 24 i  iii i i  i        i ii ii`- Re: ancient OS history, ARM is sort of channeling the IBM 3601MitchAlsup1
30 Jun 24 i  iii i i  i        i ii i`* Re: ancient OS history, ARM is sort of channeling the IBM 36010John Dallman
30 Jun 24 i  iii i i  i        i ii i +- Re: ancient OS history, ARM is sort of channeling the IBM 3601MitchAlsup1
30 Jun 24 i  iii i i  i        i ii i `* Re: ancient OS history, ARM is sort of channeling the IBM 3608Stephen Fuld
30 Jun 24 i  iii i i  i        i ii i  +- Re: small old machines, ancient OS history, ARM is sort of channeling the IBM 3601John Levine
30 Jun 24 i  iii i i  i        i ii i  +* Re: ancient OS history, ARM is sort of channeling the IBM 3604John Dallman
30 Jun 24 i  iii i i  i        i ii i  i+* Re: ancient OS history, ARM is sort of channeling the IBM 3602Stephen Fuld
30 Jun 24 i  iii i i  i        i ii i  ii`- Re: ancient OS history, ARM is sort of channeling the IBM 3601John Dallman
30 Jun 24 i  iii i i  i        i ii i  i`- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lynn Wheeler
30 Jun 24 i  iii i i  i        i ii i  `* Re: ancient OS history, ARM is sort of channeling the IBM 3602MitchAlsup1
1 Jul 24 i  iii i i  i        i ii i   `- Re: ancient OS history, ARM is sort of channeling the IBM 3601moi
30 Jun 24 i  iii i i  i        i ii `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lynn Wheeler
30 Jun 24 i  iii i i  i        i i`- Re: ancient OS history, ARM is sort of channeling the IBM 3601Stephen Fuld
1 Jul 24 i  iii i i  i        i `* Re: ancient OS history, ARM is sort of channeling the IBM 3605Lawrence D'Oliveiro
2 Jul 24 i  iii i i  i        i  `* Re: ancient OS history, ARM is sort of channeling the IBM 3604John Levine
2 Jul 24 i  iii i i  i        i   `* Re: ancient OS history, ARM is sort of channeling the IBM 3603Lawrence D'Oliveiro
2 Jul 24 i  iii i i  i        i    `* Re: ancient OS history, ARM is sort of channeling the IBM 3602John Levine
2 Jul 24 i  iii i i  i        i     `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Dan Cross
30 Jun 24 i  iii i i  i        `* Re: ancient OS history, ARM is sort of channeling the IBM 36015Anton Ertl
30 Jun 24 i  iii i i  i         `* Re: ancient OS history, ARM is sort of channeling the IBM 36014Anton Ertl
30 Jun 24 i  iii i i  i          `* Re: streams and file locks, ancient OS history, ARM is sort of channeling the IBM 36013John Levine
1 Jul 24 i  iii i i  i           +* Re: streams and file locks, ancient OS history, ARM is sort of channeling the IBM 36010MitchAlsup1
1 Jul 24 i  iii i i  i           i`* Re: streams and file locks, ancient OS history, ARM is sort of channeling9John Levine
1 Jul 24 i  iii i i  i           i `* Re: streams and file locks, ancient OS history, ARM is sort of channeling8MitchAlsup1
1 Jul 24 i  iii i i  i           i  `* Re: streams and file locks, ancient OS history, ARM is sort of channeling7John Levine
1 Jul 24 i  iii i i  i           i   +* Re: streams and file locks, ancient OS history, ARM is sort of channeling2Lawrence D'Oliveiro
1 Jul 24 i  iii i i  i           i   i`- Re: streams and file locks, ancient OS history, ARM is sort of channeling1John Levine
1 Jul 24 i  iii i i  i           i   `* Re: streams and file locks, ancient OS history, ARM is sort of channeling4Michael S
1 Jul 24 i  iii i i  i           i    `* Re: streams and file locks, ancient OS history, ARM is sort of channeling3MitchAlsup1
2 Jul 24 i  iii i i  i           i     +- Re: streams and file locks, ancient OS history, ARM is sort of channeling1Michael S
2 Jul 24 i  iii i i  i           i     `- Re: streams and file locks, ancient OS history, ARM is sort of channeling1Michael S
1 Jul 24 i  iii i i  i           `* Re: streams and file locks, ancient OS history, ARM is sort of channeling the IBM 3602Lawrence D'Oliveiro
1 Jul 24 i  iii i i  i            `- Re: streams and file locks, ancient OS history1John Levine
26 Jun 24 i  iii i i  `* Re: ancient OS history, ARM is sort of channeling the IBM 3604Stephen Fuld
26 Jun 24 i  iii i i   +* Re: ancient OS history, ARM is sort of channeling the IBM 3602John Levine
26 Jun 24 i  iii i i   i`- Re: ancient OS history, ARM is sort of channeling the IBM 3601Stephen Fuld
27 Jun 24 i  iii i i   `- Re: ancient OS history, ARM is sort of channeling the IBM 3601MitchAlsup1
26 Jun 24 i  iii i `* Re: ancient OS history, ARM is sort of channeling the IBM 3607John Levine
26 Jun 24 i  iii i  `* Re: ancient OS history, ARM is sort of channeling the IBM 3606John Levine
27 Jun 24 i  iii i   `* Re: ancient OS history, ARM is sort of channeling the IBM 3605Thomas Koenig
27 Jun 24 i  iii i    `* Re: ancient OS history, ARM is sort of channeling the IBM 3604John Levine
27 Jun 24 i  iii i     +- Re: ancient OS history, ARM is sort of channeling the IBM 3601Thomas Koenig
28 Jun 24 i  iii i     +- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lawrence D'Oliveiro
28 Jun 24 i  iii i     `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lawrence D'Oliveiro
25 Jun 24 i  iii +* Re: ancient OS history, ARM is sort of channeling the IBM 3606Terje Mathisen
25 Jun 24 i  iii i+* Re: ancient OS history, ARM is sort of channeling the IBM 3602Lawrence D'Oliveiro
25 Jun 24 i  iii ii`- Re: ancient OS history, ARM is sort of channeling the IBM 3601Terje Mathisen
25 Jun 24 i  iii i`* Re: ancient OS history, ARM is sort of channeling the IBM 3603Michael S
26 Jun 24 i  iii i `* Re: ancient OS history, ARM is sort of channeling the IBM 3602Michael S
26 Jun 24 i  iii i  `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Terje Mathisen
25 Jun 24 i  iii `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lynn Wheeler
24 Jun 24 i  ii`* Re: ancient OS history, ARM is sort of channeling the IBM 3604Terje Mathisen
24 Jun 24 i  ii +* Re: ancient OS history, ARM is sort of channeling the IBM 3602Lawrence D'Oliveiro
24 Jun 24 i  ii i`- Re: ancient OS history, ARM is sort of channeling the IBM 3601Stephen Fuld
24 Jun 24 i  ii `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Thomas Koenig
24 Jun 24 i  i`* Re: ancient OS history, ARM is sort of channeling the IBM 3602Thomas Koenig
24 Jun 24 i  i `- Re: ancient OS history, ARM is sort of channeling the IBM 3601Lawrence D'Oliveiro
24 Jun 24 i  `* Re: ARM is sort of channeling the IBM 3602Stephen Fuld
24 Jun 24 i   `- Re: ARM is sort of channeling the IBM 3601Stephen Fuld
20 Jun 24 +* Re: ARM is channeling the IBM 3602moi
24 Jun 24 i`- Re: ARM is channeling the IBM 3601Lawrence D'Oliveiro
21 Jun 24 `* Re: ARM is channeling the IBM 3604MitchAlsup1
22 Jun 24  `* Re: ARM is channeling the IBM 3603John Dallman
22 Jun 24   +- Re: ARM is channeling the IBM 3601MitchAlsup1
22 Jun 24   `- Re: ARM is channeling the IBM 3601BGB

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