From: Lan Tianyu <tianyu.lan@intel.com>
To: tianyu.lan@intel.com, lenb@kernel.org, rjw@sisk.pl,
yinghai@kernel.org, bhelgaas@google.com,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [RFC PATCH 1/4] ACPI/Resource: Add memory prefetch check support
Date: Fri, 6 Sep 2013 10:24:43 -0400 [thread overview]
Message-ID: <1378477486-8758-2-git-send-email-tianyu.lan@intel.com> (raw)
In-Reply-To: <1378477486-8758-1-git-send-email-tianyu.lan@intel.com>
This patch is to check mem address space's acpi resource caching ability
and set prefetch flag of struct resource if it's prefetchable.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
---
drivers/acpi/resource.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index b7201fc..929f416 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -202,6 +202,9 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares,
res->flags = acpi_dev_memresource_flags(len,
addr.info.mem.write_protect,
window);
+
+ if (addr.info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
+ res->flags |= IORESOURCE_PREFETCH;
break;
case ACPI_IO_RANGE:
io_decode = addr.granularity == 0xfff ?
--
1.8.2.1
next prev parent reply other threads:[~2013-09-06 14:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-06 14:24 [RFC PATCH 0/4] ACPI/PCI: Parse PCI root bridge's ACPI resource via ACPI resource functions Lan Tianyu
2013-09-06 14:24 ` Lan Tianyu [this message]
2013-09-07 0:11 ` [RFC PATCH 1/4] ACPI/Resource: Add memory prefetch check support Rafael J. Wysocki
2013-09-06 14:24 ` [RFC PATCH 2/4] ACPI/Resource: Add address translation support Lan Tianyu
2013-09-07 0:15 ` Rafael J. Wysocki
2013-09-09 2:18 ` Lan Tianyu
2013-09-11 14:26 ` Lan Tianyu
2013-09-11 20:37 ` Rafael J. Wysocki
2013-09-06 14:24 ` [RFC PATCH 3/4] ACPI: Add new acpi_dev_resource_address_space_with_addr() function Lan Tianyu
2013-09-07 0:26 ` Rafael J. Wysocki
2013-09-06 14:24 ` [RFC PATCH 4/4] X86/PCI/ACPI: Rework setup_resource() via functions ACPI resource functions Lan Tianyu
2013-09-06 15:36 ` Bjorn Helgaas
2013-09-06 16:01 ` Lan Tianyu
2013-09-06 16:10 ` Bjorn Helgaas
2013-09-06 16:35 ` Lan Tianyu
2013-09-07 0:27 ` Rafael J. Wysocki
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=1378477486-8758-2-git-send-email-tianyu.lan@intel.com \
--to=tianyu.lan@intel.com \
--cc=bhelgaas@google.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
--cc=yinghai@kernel.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