From: Heiko Stuebner <heiko@sntech.de>
To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu
Cc: conor.dooley@microchip.com, guoren@kernel.org,
apatel@ventanamicro.com, atishp@rivosinc.com,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
Heiko Stuebner <heiko@sntech.de>
Subject: [PATCH 4/4] riscv: check for kernel config option in t-head memory types errata
Date: Fri, 2 Sep 2022 00:27:44 +0200 [thread overview]
Message-ID: <20220901222744.2210215-4-heiko@sntech.de> (raw)
In-Reply-To: <20220901222744.2210215-1-heiko@sntech.de>
The t-head variant of page-based memory types should also check first
for the enabled kernel config option.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
arch/riscv/errata/thead/errata.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c
index a6f4bd8ccf3f..902e12452821 100644
--- a/arch/riscv/errata/thead/errata.c
+++ b/arch/riscv/errata/thead/errata.c
@@ -17,6 +17,9 @@
static bool errata_probe_pbmt(unsigned int stage,
unsigned long arch_id, unsigned long impid)
{
+ if (!IS_ENABLED(CONFIG_ERRATA_THEAD_PBMT))
+ return false;
+
if (arch_id != 0 || impid != 0)
return false;
--
2.35.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2022-09-01 22:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 22:27 [PATCH 1/4] riscv: cleanup svpbmt cpufeature probing Heiko Stuebner
2022-09-01 22:27 ` [PATCH 2/4] riscv: drop some idefs from CMO initialization Heiko Stuebner
2022-09-02 1:05 ` Guo Ren
2022-09-02 9:34 ` Conor.Dooley
2022-09-02 9:49 ` Andrew Jones
2022-09-01 22:27 ` [PATCH 3/4] riscv: use BIT macros in t-head errata init Heiko Stuebner
2022-09-02 1:06 ` Guo Ren
2022-09-02 9:35 ` Conor.Dooley
2022-09-02 9:50 ` Andrew Jones
2022-09-01 22:27 ` Heiko Stuebner [this message]
2022-09-02 1:06 ` [PATCH 4/4] riscv: check for kernel config option in t-head memory types errata Guo Ren
2022-09-02 9:33 ` Conor.Dooley
2022-09-02 15:17 ` Heiko Stübner
2022-09-02 9:50 ` Andrew Jones
2022-09-02 1:07 ` [PATCH 1/4] riscv: cleanup svpbmt cpufeature probing Guo Ren
2022-09-02 9:31 ` Conor.Dooley
2022-09-02 9:49 ` Andrew Jones
2022-09-02 15:12 ` Heiko Stübner
2022-09-02 15:26 ` Conor.Dooley
2022-09-02 15:34 ` Heiko Stübner
2022-09-02 19:29 ` Konstantin Ryabitsev
2022-09-02 9:50 ` Andrew Jones
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=20220901222744.2210215-4-heiko@sntech.de \
--to=heiko@sntech.de \
--cc=aou@eecs.berkeley.edu \
--cc=apatel@ventanamicro.com \
--cc=atishp@rivosinc.com \
--cc=conor.dooley@microchip.com \
--cc=guoren@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
/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