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Message-ID: <F06F4361-97ED-4AB3-8BD0-BC157E05B1D4@zytor.com> Date: Tue, 23 Feb 2016 18:13:40 -0800 From: "H. Peter Anvin" <hpa@...or.com> To: Linus Torvalds <torvalds@...ux-foundation.org>, Andy Lutomirski <luto@...capital.net> CC: "Ravi V. Shankar" <ravi.v.shankar@...el.com>, Toshi Kani <toshi.kani@...com>, Brian Gerst <brgerst@...il.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, Sai Praneeth Prakhya <sai.praneeth.prakhya@...el.com>, Luis Rodriguez <mcgrof@...e.com>, Andrew Morton <akpm@...ux-foundation.org>, Denys Vlasenko <dvlasenk@...hat.com>, Matt Fleming <matt@...eblueprint.co.uk>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Borislav Petkov <bp@...en8.de>, ricardo.neri@...el.com, Hugh Dickins <hughd@...gle.com>, Ard Biesheuvel <ard.biesheuvel@...aro.org> Subject: Re: [tip:efi/core] x86/mm/pat: Use _PAGE_GLOBAL bit for EFI page table mappings On February 23, 2016 6:09:19 PM PST, "H. Peter Anvin" <hpa@...or.com> wrote: >On February 23, 2016 10:08:06 AM PST, Linus Torvalds ><torvalds@...ux-foundation.org> wrote: >>On Tue, Feb 23, 2016 at 9:47 AM, Andy Lutomirski <luto@...capital.net> >>wrote: >>> On Feb 23, 2016 1:09 AM, <"tip-bot for Sai Praneeth >>> <tipbot@...or.com>"@zytor.com> wrote: >>> >>> Something's wrong with tip-bot. This should say: >> >>Yeah, there's about 50 tipbot emails that are just pure garbage. They >>don't even show in my mailers, because they are so corrupt. >> >>The raw email has some insane encoding too, for reasons I can't begin >>to fathom. >> >>This is an example of what tipbot *used* to send out in the headers: >> >> From: tip-bot for Dave Hansen <tipbot@...or.com> >> Subject: [tip:mm/pkeys] mm/core, x86/mm/pkeys: >> Add execute-only protection keys support >> >>and this is what it sent out in the last crazy setup: >> >>From: >>=?UTF-8?B?dGlwLWJvdCBmb3IgU2FpIFByYW5lZXRoIDx0aXBib3RAenl0b3IuY29tPg==?=@...or.com >> Subject: >>=?UTF-8?B?W3RpcDplZmkvY29yZV0geDg2L21tL3BhdDogVXNlIF9QQUdFX0dMT0JBTCBiaXQ=?= >> =?UTF-8?B?IGZvciBFRkkgcGFnZSB0YWJsZSBtYXBwaW5ncw==?= >> >>despite neither subject nor author having any odd characters in them. >> >>(That's just two header lines - all the other ones are corrupt in >>similar ways too) >> >>The thing that seems to really make things unreadable is that the >>content encoding lines have this corrupted quoting too: >> >> MIME-Version: =?UTF-8?B?MS4w?= >> Content-Transfer-Encoding: =?UTF-8?B?OGJpdA==?= >> Content-Type: =?UTF-8?B?dGV4dC9wbGFpbjsgY2hhcnNldD1VVEYtOA==?= >> Content-Disposition: =?UTF-8?B?aW5saW5l?= >> >>rather than what it *should* be: >> >> Content-Transfer-Encoding: 8bit >> Content-Type: text/plain; charset=UTF-8 >> Content-Disposition: inline >> >>so the whole header situation is a complete mess. >> >>The fact that you can see the patch at all and comment on the >>*contents* of the email is impressive. My mail reader just says "this >>is garbage" and shows me nothing at all. >> >> Linus > >Someone decided to change the behavior of the Perl module I used for >encoding to unconditionally encode almost everything, claiming some >kind of strict RFC compliance. An upgrade caused this to happen. I >have switched modules to one which should do what one actually wants. For the record: I implemented escaping only to placate vger's spam filters... -- Sent from my Android device with K-9 Mail. Please excuse brevity and formatting.
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