From: Daniel Klamt <eleon@ele0n.de>
To: benh@kernel.crashing.org
Cc: paulus@samba.org, mpe@ellerman.id.au,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-kernel@i4.cs.fau.de, Daniel Klamt <eleon@ele0n.de>,
Bjoern Noetel <bjoern@br3ak3r.de>
Subject: [PATCH] powerpc: Replaced msleep(x) with msleep(OPAL_BUSY_DELAY_MS)
Date: Thu, 12 Jul 2018 00:03:04 +0200 [thread overview]
Message-ID: <1531346584-9157-1-git-send-email-eleon@ele0n.de> (raw)
In-Reply-To: <878t6hami4.fsf@concordia.ellerman.id.au>
Replaced msleep(x) with with msleep(OPAL_BUSY_DELAY_MS)
to diocument these sleep is to wait for opal.
Signed-off-by: Daniel Klamt <eleon@ele0n.de>
Signed-off-by: Bjoern Noetel <bjoern@br3ak3r.de>
---
arch/powerpc/sysdev/xive/native.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index 311185b9960a..39ab5ad58297 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -109,7 +109,7 @@ int xive_native_configure_irq(u32 hw_irq, u32 target, u8 prio, u32 sw_irq)
rc = opal_xive_set_irq_config(hw_irq, target, prio, sw_irq);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
return rc == 0 ? 0 : -ENXIO;
}
@@ -163,7 +163,7 @@ int xive_native_configure_queue(u32 vp_id, struct xive_q *q, u8 prio,
rc = opal_xive_set_queue_info(vp_id, prio, qpage_phys, order, flags);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
if (rc) {
pr_err("Error %lld setting queue for prio %d\n", rc, prio);
@@ -190,7 +190,7 @@ static void __xive_native_disable_queue(u32 vp_id, struct xive_q *q, u8 prio)
rc = opal_xive_set_queue_info(vp_id, prio, 0, 0, 0);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
if (rc)
pr_err("Error %lld disabling queue for prio %d\n", rc, prio);
@@ -253,7 +253,7 @@ static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc)
for (;;) {
irq = opal_xive_allocate_irq(chip_id);
if (irq == OPAL_BUSY) {
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
continue;
}
if (irq < 0) {
@@ -275,7 +275,7 @@ u32 xive_native_alloc_irq(void)
rc = opal_xive_allocate_irq(OPAL_XIVE_ANY_CHIP);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
if (rc < 0)
return 0;
@@ -289,7 +289,7 @@ void xive_native_free_irq(u32 irq)
s64 rc = opal_xive_free_irq(irq);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
}
EXPORT_SYMBOL_GPL(xive_native_free_irq);
@@ -305,7 +305,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc)
for (;;) {
rc = opal_xive_free_irq(xc->hw_ipi);
if (rc == OPAL_BUSY) {
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
continue;
}
xc->hw_ipi = 0;
@@ -400,7 +400,7 @@ static void xive_native_setup_cpu(unsigned int cpu, struct xive_cpu *xc)
rc = opal_xive_set_vp_info(vp, OPAL_XIVE_VP_ENABLED, 0);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
if (rc) {
pr_err("Failed to enable pool VP on CPU %d\n", cpu);
@@ -444,7 +444,7 @@ static void xive_native_teardown_cpu(unsigned int cpu, struct xive_cpu *xc)
rc = opal_xive_set_vp_info(vp, 0, 0);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
}
@@ -645,7 +645,7 @@ u32 xive_native_alloc_vp_block(u32 max_vcpus)
rc = opal_xive_alloc_vp_block(order);
switch (rc) {
case OPAL_BUSY:
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
break;
case OPAL_XIVE_PROVISIONING:
if (!xive_native_provision_pages())
@@ -687,7 +687,7 @@ int xive_native_enable_vp(u32 vp_id, bool single_escalation)
rc = opal_xive_set_vp_info(vp_id, flags, 0);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
return rc ? -EIO : 0;
}
@@ -701,7 +701,7 @@ int xive_native_disable_vp(u32 vp_id)
rc = opal_xive_set_vp_info(vp_id, 0, 0);
if (rc != OPAL_BUSY)
break;
- msleep(1);
+ msleep(OPAL_BUSY_DELAY_MS);
}
return rc ? -EIO : 0;
}
--
2.11.0
next prev parent reply other threads:[~2018-07-11 22:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 13:57 [PATCH] powerpc: Replaced msleep with usleep_range Daniel Klamt
2018-07-09 20:07 ` kbuild test robot
2018-07-10 13:57 ` Michael Ellerman
2018-07-09 23:52 ` Benjamin Herrenschmidt
2018-07-11 14:13 ` Michael Ellerman
2018-07-11 22:03 ` Daniel Klamt [this message]
2018-07-12 5:46 ` [PATCH] powerpc: Replaced msleep(x) with msleep(OPAL_BUSY_DELAY_MS) Michael Ellerman
2018-07-12 7:58 ` Nicholas Piggin
2018-07-19 6:07 ` Michael Ellerman
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=1531346584-9157-1-git-send-email-eleon@ele0n.de \
--to=eleon@ele0n.de \
--cc=benh@kernel.crashing.org \
--cc=bjoern@br3ak3r.de \
--cc=linux-kernel@i4.cs.fau.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.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).