Messages in this thread | | | Date | Sun, 1 Dec 2019 09:08:50 -0800 (PST) | From | "Kenneth R. Crudup" <> | Subject | Re: [PATCH] x86/pat: Fix off-by-one bugs in interval tree search |
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On Sun, 1 Dec 2019, Ingo Molnar wrote:
> So it would be nice if everyone who is seeing this bug could test the > patch below against Linus's latest tree - does it fix the regression?
The patch fixes the issue for me.
> If not then please send the before/after dump of > /sys/kernel/debug/x86/pat_memtype_list - and even if it works please send > the dumps so we can double check it all.
I don't have the "before patch" (but could if it is absolutely needed) but here's the "after patch":
---- PAT memtype list: write-back @ 0x4c314000-0x4c35f000 write-back @ 0x4c35e000-0x4c35f000 write-back @ 0x4c35e000-0x4c364000 write-back @ 0x4c363000-0x4c366000 write-back @ 0x4c365000-0x4c369000 write-back @ 0x4c368000-0x4c36b000 write-back @ 0x4c36a000-0x4c36e000 write-back @ 0x4c36d000-0x4c36f000 write-back @ 0x4c36e000-0x4c370000 write-back @ 0x4c36f000-0x4c371000 write-back @ 0x4c370000-0x4c372000 write-back @ 0x4c7eb000-0x4c7ec000 write-back @ 0x4c7ec000-0x4c7ef000 write-back @ 0x4c7ec000-0x4c7ed000 write-back @ 0x4c7ef000-0x4c7f0000 write-back @ 0x4c7f0000-0x4c7f1000 write-back @ 0x4c867000-0x4c868000 write-back @ 0x4c868000-0x4c869000 write-back @ 0x4fa86000-0x4fa87000 write-back @ 0x4fefc000-0x4fefd000 uncached-minus @ 0x77f00000-0x77f10000 uncached-minus @ 0x8e000000-0x8e040000 uncached-minus @ 0x8e040000-0x8e041000 uncached-minus @ 0x8e200000-0x8e202000 uncached-minus @ 0x8e203000-0x8e204000 uncached-minus @ 0x8e300000-0x8e301000 uncached-minus @ 0xe0000000-0xf0000000 uncached-minus @ 0xfd6a0000-0xfd6a1000 uncached-minus @ 0xfd6a0000-0xfd6b0000 uncached-minus @ 0xfd6d0000-0xfd6e0000 uncached-minus @ 0xfd6e0000-0xfd6e1000 uncached-minus @ 0xfd6e0000-0xfd6f0000 uncached-minus @ 0xfe000000-0xfe002000 uncached-minus @ 0xfe001000-0xfe002000 uncached-minus @ 0xfed00000-0xfed01000 uncached-minus @ 0xfed10000-0xfed16000 uncached-minus @ 0xfed15000-0xfed16000 uncached-minus @ 0xfed40000-0xfed45000 uncached-minus @ 0xfed90000-0xfed91000 uncached-minus @ 0xfed91000-0xfed92000 uncached-minus @ 0xff340000-0xff341000 write-combining @ 0x4000000000-0x4010000000 uncached-minus @ 0x4010000000-0x4010001000 uncached-minus @ 0x4010000000-0x4010001000 uncached-minus @ 0x4010000000-0x4010001000 uncached-minus @ 0x4010001000-0x4010002000 uncached-minus @ 0x4010001000-0x4010002000 uncached-minus @ 0x4010001000-0x4010002000 uncached-minus @ 0x604a000000-0x604a200000 write-combining @ 0x604a800000-0x604b000000 uncached-minus @ 0x604b100000-0x604b110000 uncached-minus @ 0x604b110000-0x604b118000 uncached-minus @ 0x604b118000-0x604b11c000 uncached-minus @ 0x604b11c000-0x604b120000 uncached-minus @ 0x604b11e000-0x604b11f000 uncached-minus @ 0x604b122000-0x604b124000 uncached-minus @ 0x604b125000-0x604b126000 uncached-minus @ 0x604b129000-0x604b12a000 ----
-Kenny
-- Kenneth R. Crudup Sr. SW Engineer, Scott County Consulting, Silicon Valley
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