From: Kazuhito Hagio <k-hagio@ab.jp.nec.com>
To: Bhupesh Sharma <bhsharma@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
"lijiang@redhat.com" <lijiang@redhat.com>,
"bhe@redhat.com" <bhe@redhat.com>,
"ard.biesheuvel@linaro.org" <ard.biesheuvel@linaro.org>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
Steve Capper <Steve.Capper@arm.com>,
"kexec@lists.infradead.org" <kexec@lists.infradead.org>,
Will Deacon <will.deacon@arm.com>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
James Morse <james.morse@arm.com>,
Kristina Martsenko <kristina.martsenko@arm.com>,
Borislav Petkov <bp@alien8.de>,
"anderson@redhat.com" <anderson@redhat.com>,
Dave Young <dyoung@redhat.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCH] arm64, vmcoreinfo : Append 'MAX_USER_VA_BITS' and 'MAX_PHYSMEM_BITS' to vmcoreinfo
Date: Tue, 19 Feb 2019 20:47:17 +0000 [thread overview]
Message-ID: <4AE2DC15AC0B8543882A74EA0D43DBEC03568A9F@BPXM09GP.gisp.nec.co.jp> (raw)
In-Reply-To: <CACi5LpN6gVy4gCTYLGRiWW1VNGrVc-+Ykn919LKsO2bP-v1NHw@mail.gmail.com>
Hi Bhupesh,
-----Original Message-----
> I am not sure you got a chance to look at the two regression cases I
> reported here:
> <http://lists.infradead.org/pipermail/kexec/2019-February/022449.html>
>
> Unfortunately the above suggestion doesn't provide any fix for
> ARMv8.2-LPA regression (see text under heading '
> (1). Regression Case 1 (ARMv8.2-LPA enabled kernel)')
As for MAX_PHYSMEM_BITS, I realized that ppc64 makedumpfile can detect
it because there is only one SECTION_SIZE_BITS for ppc64. I think we
can use the same way as set_ppc64_max_physmem_bits() does also for
arm64 for now. I'm going to write it for kernels not having
NUMBER(MAX_PHYSMEM_BITS) in vmcoreinfo.
Thanks,
Kazu
>
> After going through the regression reports, I think exporting
> 'MAX_USER_VA_BITS' and 'MAX_PHYSMEM_BITS' to vmcoreinfo is sufficient
> for the above regressions (without over-complicating the stuff) as
> ARM64_TCR.T1SZ and friends seem to arch specific as compared to
> VA_BITS + 'MAX_USER_VA_BITS' .
>
> Thanks,
> Bhupesh
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next prev parent reply other threads:[~2019-02-19 20:48 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 12:23 [PATCH] arm64, vmcoreinfo : Append 'MAX_USER_VA_BITS' and 'MAX_PHYSMEM_BITS' to vmcoreinfo Bhupesh Sharma
2019-01-30 15:21 ` James Morse
2019-01-30 21:39 ` Bhupesh Sharma
2019-02-04 14:35 ` Bhupesh Sharma
2019-02-04 15:31 ` Robin Murphy
2019-02-12 4:55 ` Bhupesh Sharma
2019-02-12 10:49 ` Robin Murphy
2019-02-04 16:56 ` James Morse
2019-01-31 1:48 ` Dave Young
2019-01-31 10:00 ` Bhupesh Sharma
2019-01-31 14:03 ` Dave Anderson
2019-02-04 16:04 ` Kazuhito Hagio
2019-02-12 5:07 ` Bhupesh Sharma
2019-02-12 10:44 ` Dave Young
2019-02-12 19:59 ` Bhupesh Sharma
2019-02-12 23:03 ` Kazuhito Hagio
2019-02-13 11:15 ` Dave Young
2019-02-13 18:22 ` James Morse
2019-02-13 19:52 ` Kazuhito Hagio
2019-02-15 17:34 ` James Morse
2019-02-15 18:01 ` Bhupesh Sharma
2019-02-18 15:27 ` Steve Capper
2019-02-21 16:08 ` Bhupesh Sharma
2019-02-19 20:47 ` Kazuhito Hagio [this message]
2019-02-21 16:20 ` Bhupesh Sharma
2019-02-21 16:42 ` Dave Anderson
2019-02-21 19:02 ` Kazuhito Hagio
2019-03-01 4:01 ` Bhupesh Sharma
2019-02-14 19:30 ` Bhupesh Sharma
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