From: Edgar Hucek <hostmaster@ed-soft.at>
To: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/1] EFI iounpam fix for acpi_os_unmap_memory
Date: Tue, 21 Feb 2006 00:36:51 +0100 [thread overview]
Message-ID: <43FA5293.4070807@ed-soft.at> (raw)
When EFI is enabled acpi_os_unmap_memory trys to unmap memory
which was not mapped by acpi_os_map_memory.
This patch for it.
Signed-off-by: Edgar Hucek <hostmaster@ed-soft.at>
diff -uNr linux-2.6.16-rc4.orig/drivers/acpi/osl.c
linux-2.6.16-rc4/drivers/acpi/osl.c
--- linux-2.6.16-rc4.orig/drivers/acpi/osl.c 2006-02-19
18:48:58.000000000 +0100
+++ linux-2.6.16-rc4/drivers/acpi/osl.c 2006-02-20 15:31:44.000000000 +0100
@@ -208,7 +208,13 @@
void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
{
- iounmap(virt);
+ if(efi_enabled) {
+ if (!(EFI_MEMORY_WB &
efi_mem_attributes(virt_to_phys(virt)))) {
+ iounmap(virt);
+ }
+ } else {
+ iounmap(virt);
+ }
}
EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
next reply other threads:[~2006-02-20 23:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-20 23:36 Edgar Hucek [this message]
2006-02-21 6:02 ` [PATCH 1/1] EFI iounpam fix for acpi_os_unmap_memory Andrew Morton
2006-02-21 14:15 ` Andi Kleen
2006-02-21 20:59 ` Andrew Morton
2006-02-21 21:09 ` Andi Kleen
2006-02-22 6:50 ` Stelian Pop
2006-02-22 6:50 ` Stelian Pop
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=43FA5293.4070807@ed-soft.at \
--to=hostmaster@ed-soft.at \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.