From: Jianyong Wu <jianyong.wu@arm.com>
To: netdev@vger.kernel.org, yangbo.lu@nxp.com,
john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com,
sean.j.christopherson@intel.com, maz@kernel.org,
richardcochran@gmail.com, Mark.Rutland@arm.com, will@kernel.org,
suzuki.poulose@arm.com
Cc: justin.he@arm.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, nd@arm.com,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v6 2/7] psci: Let arm_smccc_1_1_invoke available by modules
Date: Thu, 24 Oct 2019 19:02:04 +0800 [thread overview]
Message-ID: <20191024110209.21328-3-jianyong.wu@arm.com> (raw)
In-Reply-To: <20191024110209.21328-1-jianyong.wu@arm.com>
Export arm_smccc_1_1_get_conduit and apply it to get conduit
in arm_smccc_1_1_invoke, then modules can use this arm_smccc_1_1_invoke.
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
---
drivers/firmware/psci/psci.c | 1 +
include/linux/arm-smccc.h | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 5f31f1bea1af..cf509171422c 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -71,6 +71,7 @@ enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
return SMCCC_CONDUIT_NONE;
}
}
+EXPORT_SYMBOL(arm_smccc_1_1_get_conduit);
typedef unsigned long (psci_fn)(unsigned long, unsigned long,
unsigned long, unsigned long);
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 701fa1da6b4a..6f82c87308ed 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -373,7 +373,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
* The return value also provides the conduit that was used.
*/
#define arm_smccc_1_1_invoke(...) ({ \
- int method = psci_ops.conduit; \
+ int method = arm_smccc_1_1_get_conduit(); \
switch (method) { \
case PSCI_CONDUIT_HVC: \
arm_smccc_1_1_hvc(__VA_ARGS__); \
--
2.17.1
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2019-10-24 11:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 11:02 [RFC PATCH v6 0/7] Enable ptp_kvm for arm64 Jianyong Wu
2019-10-24 11:02 ` [RFC PATCH v6 1/7] arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() Jianyong Wu
2019-10-24 11:02 ` Jianyong Wu [this message]
2019-10-24 11:02 ` [RFC PATCH v6 3/7] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2019-10-24 11:02 ` [RFC PATCH v6 4/7] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2019-11-07 7:55 ` Thomas Gleixner
2019-11-08 2:34 ` Jianyong Wu (Arm Technology China)
2019-10-24 11:02 ` [RFC PATCH v6 5/7] psci: Add hvc call service for ptp_kvm Jianyong Wu
2019-11-07 8:01 ` Thomas Gleixner
2019-11-08 2:51 ` Jianyong Wu (Arm Technology China)
2019-10-24 11:02 ` [RFC PATCH v6 6/7] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2019-10-24 11:02 ` [RFC PATCH v6 7/7] kvm: arm64: Add capability check extension for ptp_kvm Jianyong Wu
2019-11-07 5:34 ` [RFC PATCH v6 0/7] Enable ptp_kvm for arm64 Jianyong Wu (Arm Technology China)
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=20191024110209.21328-3-jianyong.wu@arm.com \
--to=jianyong.wu@arm.com \
--cc=Mark.Rutland@arm.com \
--cc=john.stultz@linaro.org \
--cc=justin.he@arm.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maz@kernel.org \
--cc=nd@arm.com \
--cc=netdev@vger.kernel.org \
--cc=pbonzini@redhat.com \
--cc=richardcochran@gmail.com \
--cc=sean.j.christopherson@intel.com \
--cc=suzuki.poulose@arm.com \
--cc=tglx@linutronix.de \
--cc=will@kernel.org \
--cc=yangbo.lu@nxp.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;
as well as URLs for NNTP newsgroup(s).