From: tianyu.lan@intel.com
To: lenb@kernel.org, rjw@sisk.pl, yinghai@kernel.org, bhelgaas@google.com
Cc: Lan Tianyu <tianyu.lan@intel.com>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [Resend PATCH 1/5] ACPI/Resource: Add memory prefetch check support
Date: Fri, 11 Oct 2013 20:18:57 +0800 [thread overview]
Message-ID: <1381493941-4650-2-git-send-email-tianyu.lan@intel.com> (raw)
In-Reply-To: <1381493941-4650-1-git-send-email-tianyu.lan@intel.com>
From: Lan Tianyu <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:[~2013-10-11 12:18 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 12:18 [Resend PATCH 0/5] ACPI/PCI: Parse PCI root bridge's ACPI resource via ACPI resource functions tianyu.lan
2013-10-11 12:18 ` tianyu.lan [this message]
2013-10-11 12:18 ` [Resend PATCH 2/5] ACPI/Resource: Add address translation support tianyu.lan
2013-10-16 23:05 ` Bjorn Helgaas
2013-10-17 3:10 ` Lan Tianyu
2013-10-11 12:18 ` [Resend PATCH 3/5] ACPI: Add new acpi_dev_resource_address_space_full() function tianyu.lan
2013-10-16 23:18 ` Bjorn Helgaas
2013-10-17 3:29 ` Lan Tianyu
2013-10-11 12:19 ` [Resend PATCH 4/5] X86/PCI/ACPI: Rework setup_resource() via functions ACPI resource functions tianyu.lan
2013-10-11 18:30 ` Yinghai Lu
2013-10-12 13:05 ` Lan Tianyu
2013-10-15 23:22 ` Rafael J. Wysocki
2013-10-11 12:19 ` [Resend PATCH 5/5] IA64/PCI/ACPI: Rework PCI root bridge ACPI resource conversion tianyu.lan
2013-10-15 23:23 ` Rafael J. Wysocki
2013-10-16 23:55 ` Bjorn Helgaas
2013-10-17 6:09 ` Lan Tianyu
2013-10-17 20:33 ` Bjorn Helgaas
2013-10-18 12:44 ` Lan Tianyu
2013-10-23 22:39 ` Bjorn Helgaas
2013-10-26 16:53 ` Lan Tianyu
2013-10-28 17:32 ` Bjorn Helgaas
2013-10-30 8:34 ` Lan Tianyu
2013-10-30 16:23 ` Bjorn Helgaas
2013-10-31 2:26 ` Lan Tianyu
2013-10-31 13:00 ` Bjorn Helgaas
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