From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/5] arm64: Work around Falkor erratum 1003
Date: Fri, 6 Jan 2017 10:49:36 -0500 [thread overview]
Message-ID: <ae59aa20-5518-0e33-6b64-7622010fc541@codeaurora.org> (raw)
In-Reply-To: <20170103155502.GA14183@leverpostej>
On 01/03/2017 10:55 AM, Mark Rutland wrote:
> Hi,
>
> On Thu, Dec 29, 2016 at 05:43:32PM -0500, Christopher Covington wrote:
>> +config QCOM_FALKOR_E1003_RESERVED_ASID
>> + int
>> + default 1
>> + depends on QCOM_FALKOR_ERRATUM_1003
>> +
>
> I don't think this needs to be configurable, so let's drop this into a
> header, e.g. drop:
>
> #define FALKOR_RESERVED_ASID 1
>
> ... in <asm/mmu_context.h>, protecting the rest with an ifndef
> __ASSEMBLY__ guard.
Will do, thanks for the concrete suggestion.
> [...]
>
>> +#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
>> +alternative_if ARM64_WORKAROUND_QCOM_FALKOR_E1003
>> + mrs x2, ttbr0_el1 // get cuurent TTBR0_EL1
>> + mov x3, #CONFIG_QCOM_FALKOR_ERRATUM_1003 // reserved ASID
>
> Wrong macro? That's not the ASID.
Oops, thanks for spotting.
Cov
--
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code
Aurora Forum, a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2017-01-06 15:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-29 22:43 [PATCH v2 1/5] arm64: Define Falkor v1 CPU Christopher Covington
2016-12-29 22:43 ` [PATCH v2 2/5] arm64: Work around Falkor erratum 1003 Christopher Covington
2016-12-29 23:02 ` Timur Tabi
2017-01-06 15:39 ` Christopher Covington
2017-01-06 15:51 ` Timur Tabi
2016-12-29 23:08 ` Timur Tabi
2017-01-06 15:44 ` Christopher Covington
2017-01-06 15:49 ` Timur Tabi
2016-12-30 2:44 ` kbuild test robot
2017-01-03 15:55 ` Mark Rutland
2017-01-06 15:49 ` Christopher Covington [this message]
2017-01-04 10:33 ` Christoffer Dall
2017-01-11 13:11 ` Christopher Covington
2016-12-29 22:43 ` [PATCH v2 3/5] arm64: Create and use __tlbi_dsb() macros Christopher Covington
2016-12-29 22:43 ` [PATCH v2 4/5] arm64: Use __tlbi_dsb() macros in KVM code Christopher Covington
2017-01-03 15:57 ` Mark Rutland
2017-01-06 15:51 ` Christopher Covington
2017-01-06 16:05 ` Mark Rutland
2016-12-29 22:43 ` [PATCH v2 5/5] arm64: Work around Falkor erratum 1009 Christopher Covington
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ae59aa20-5518-0e33-6b64-7622010fc541@codeaurora.org \
--to=cov@codeaurora.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).