Pageable should not be a problem. If the ECB is in a swappable address space, that could be a problem.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Joseph Reichman <[email protected]> Sent: Wednesday, September 26, 2018 9:31 AM To: [email protected] Subject: Re: ECB in XMEM Post Rob This is just a question is your comment based on the fact the ECB might be in pageable non/fixed storage and has potential for s0c4 Thanks > On Sep 26, 2018, at 9:23 AM, Rob Scott <[email protected]> wrote: > > Both Pause/Release and PC-ss are supported in SRB mode. > > The fact that you are in recovery code (and possibly unsure of the status of > both ECB-owner and client) makes me believe that cross-memory POST is even > more undesirable. > > Not saying that it cannot be done with cross-memory POST, but Pause/Release > offers more environmental validation prior to execution and encapsulating a > PC-ss "POST" function isolates the recovery code from ECB-owner architecture > and may allow recovery code to run problem state. > > As ever in the case of things like this, it is never what you *intend* to do > that causes the problem...... > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf Of > Joseph Reichman > Sent: Wednesday, September 26, 2018 1:23 PM > To: [email protected] > Subject: Re: ECB in XMEM Post > > You are right as it kills all registers besides 9 If memory serves me right I > think the for the system or PC call > > I know you are going to scream at me but the reason I choose the post is > because I’m posting This from a recovery routine as I don’t know whether it’s > TCB mode or SRB I’m using the system call I.E pc I am passing the SDWA > storage area back in the 3 byte 24 bit comp code area The 3 byte comp code > makes this convenient for me > > >> On Sep 26, 2018, at 8:11 AM, Rob Scott <[email protected]> wrote: >> >> Please be aware that cross-memory POSTs are not ideal and if possible I >> would consider a redesign of your code to use other methods - for example : >> >> (1) Pause/Release >> (2) PC-ss service into ECB-owner ASID to issue POST on caller behalf >> >> Just my 2c. >> >> Rob Scott >> Rocket Software >> >> -----Original Message----- >> From: IBM Mainframe Discussion List <[email protected]> On Behalf Of >> Joseph Reichman >> Sent: Wednesday, September 26, 2018 1:01 PM >> To: [email protected] >> Subject: Re: ECB in XMEM Post >> >> Sorry I misunderstood >> So if Address Space A would like to post Address B the ECB must be >> addressable to to B as that is the Target the ASCB is that of the target >> Address space B the ECB can be B private area in A all I need is the address >> of the ECB even in private and ASCB of B >> >> Thanks >> >> >> On Sep 26, 2018, at 7:41 AM, Peter Relson <[email protected]> wrote: >> >>>> This is just another way of saying that for XMEM the ECB is in CSA >>>> right >>> ? >>> No, not right. >>> >>> What within the wording "must be addressable from the address space >>> identified by the ASCB parameter" makes you say that? Storage >>> addressable from an address space includes common storage (whether CSA >>> or SQA) and private storage of the address space. The ECB can be in >>> any of those areas. >>> >>> Peter Relson >>> z/OS Core Technology Design >>> >>> >>> ---------------------------------------------------------------------- >>> For IBM-MAIN subscribe / signoff / archive access instructions, send >>> email to [email protected] with the message: INFO IBM-MAIN >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, send email >> to [email protected] with the message: INFO IBM-MAIN >> ================================ >> Rocket Software, Inc. and subsidiaries ■ 77 Fourth Avenue, Waltham MA 02451 >> ■ Main Office Toll Free Number: +1 855.577.4323 >> Contact Customer Support: >> https://secure-web.cisco.com/1Ii---t4ISkTb3Cw4LvQoU_ptHQeciWelMqfXbGZIfxh1341MrEuuqaMQJ7uWjB9I7yLrtpSqacsJeDxnO2kDnjqd91InI4_iDxssCnQmPyoEOqMNkWfBGJlJLbMKh9oezS-UXNV1e1IXrhSkzhdst_ovNbkie1wIqxt7vPxfcFxF_0IHK1fv7lRKQ7jn_QUA33GRPeL6Vv6d2duufAVTlQtsP3kgpd4uQThBmlJV3sL17Ql3ls14y6KjkDD5owD8jw0oIzFjWTevXv2oEkkPtKnypmGtIgZOZk5QeE9XjMrz2Z5tvaUATk6oEtEKnxWejV3fGCjxj-cQi859o5jAMfXlGbFUcjCOpyoB1XbmbEPjs7NotqD8jPzaDTVKguDmYf0Ca-k1y5F7le5Yxs3b-gnGP43lpctrQjcRsnHa7amGdcVcRMpavJ-kRmMJVo_KW53CD11TPiy25ZvFZ7rh8Q/https%3A%2F%2Fna01.safelinks.protection.outlook.com%2F%3Furl%3Dhttps%253A%252F%252Fmy.rocketsoftware.com%252FRocketCommunity%252FRCEmailSupport%26data%3D02%257C01%257CRScott%2540ROCKETSOFTWARE.COM%257C9d76c8e06d0243b3b78e08d623aadd75%257C79544c1eed224879a082b67a9a672aae%257C0%257C0%257C636735614108579486%26sdata%3DrG7j%252B1He%252FF8yklpcRgE3iVYMQ4B7XWkiVzlStrEPE%252FQ%253D%26reserved%3D0 >> Unsubscribe from Marketing Messages/Manage Your Subscription Preferences - >> https://secure-web.cisco.com/1nWtZ8A-nzO97tyn64MwJ0sh9VmmR-VZ_dquhJsuKXiLaUT2G3pmRWjBNamzTAq4d5sl5cTTJhdCA-Jlr3CNQtfdRWnggm13xv2AbqC2ZSEkMPKj50-M4RbeNy_DUY5RCxWyTB5OJqKG82gAMFxSiWwPRpS2Iol5oy2_8UvngXsFyTXavouWVeMZREg7hBR4-kiA7nsH8D3gg_LtVRZcTY6b44aAXPHL5M8GrLjbu76gDhYA_oSqq-e72lJDIm5xTRTGooxUu5xx5geOfmFLDM5Vmrrr6pf4Fou8Xb2cDzpsPq0q9mOvwlHa9-2oM4U4INOQnHqt-uuWf8csaPTEJVuKZ_nrkjZr5mMgQmW4m9-M_aYRo7NgsL6FAAGEWZB0aJA4zeh3qg6squ4oOuLJwDhIV6y5qjb2harJ9JY5wQkPENMLYZSS9RQaQJQVOKB23nRSHibDZU7Zs0OejI7Pp3Q/https%3A%2F%2Fna01.safelinks.protection.outlook.com%2F%3Furl%3Dhttp%253A%252F%252Fwww.rocketsoftware.com%252Fmanage-your-email-preferences%26data%3D02%257C01%257CRScott%2540ROCKETSOFTWARE.COM%257C9d76c8e06d0243b3b78e08d623aadd75%257C79544c1eed224879a082b67a9a672aae%257C0%257C0%257C636735614108579486%26sdata%3DW1mSCHKvOe2ihbeA03r15AzqaXeUVPBiFeIAhM%252BYuCU%253D%26reserved%3D0 >> Privacy Policy - >> https://secure-web.cisco.com/1xgQUr4GtCNduQH2uVHL0WrNqXNRPYopkshti8PhNXaMFzCac3sFtE3plAINV-zhp27A5hBiFVc0pKNEq8AneCSdNlrS9Qb9_E4642Ic2NPc9RSgk24efmZ87waPFexsuCD4k2nxwBQdTK1Gaf9q_lpmov8PtyTqESvtOpcc9i8P9ybQJtL2h5UCoyJoY9UMX4aaR4naaRe_--p5u0iplW65aRDG28e5guKFbeM97HAH1mp4OVwN3z18wDzSnRgPeWzEChdtMkMCXm2o5CfcR8KHK0E2EYOIcp9yk9ZvXoDGetADAfyKgSqLRwGvDwFCmCZtqVLo81l93vZZv32yOC5esQMuswU8zxpUDY2LugTAyclYUOYgQ9x_PfrwRci1RUkt6CRStRZOTk5Bbgh0pVpeMkPlZNR28TSVcdCbqN1DQaJYDiUCkVtGwBlLDedsutKL-SISF4BTIYg-Xj0AIpA/https%3A%2F%2Fna01.safelinks.protection.outlook.com%2F%3Furl%3Dhttp%253A%252F%252Fwww.rocketsoftware.com%252Fcompany%252Flegal%252Fprivacy-policy%26data%3D02%257C01%257CRScott%2540ROCKETSOFTWARE.COM%257C9d76c8e06d0243b3b78e08d623aadd75%257C79544c1eed224879a082b67a9a672aae%257C0%257C0%257C636735614108579486%26sdata%3D2tCttWPQXiOLGihkj2r6j51ozO1WFPY7XOReo0EZkZk%253D%26reserved%3D0 >> ================================ >> >> This communication and any attachments may contain confidential information >> of Rocket Software, Inc. All unauthorized use, disclosure or distribution is >> prohibited. If you are not the intended recipient, please notify Rocket >> Software immediately and destroy all copies of this communication. Thank you. >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
