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SubjectRe: [Xen-devel] Re: [PATCH] Modpost section mismatch fix
* On Thu, Jul 07, 2011 at 04:09:49PM -0400, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
>On Fri, Jul 08, 2011 at 01:18:51AM +0530, Raghavendra D Prabhu wrote:
>> * On Thu, Jul 07, 2011 at 12:24:54PM -0400, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
>> >>Tested it. Works now.

>> >Ok, Stuck Tested-by on the patch. Hopefully Linus hasn't pulled it yet.
>> Ok.

>> >>Reviewed-by: Raghavendra Prabhu <rprabhu@wnohang.net>

>> >>Also,
>> >>The condition for acpi_gsi_to_irq can be removed since it always returns zero.

>> >The function might in the future return something that is non-zero
>> >and we should guard for it. Also you make 'irq' be unsigned which is not
>> >good as the IRQ 0 is a valid value - and with making it unsigned if it is
>> >set to -1 (the -1 is the invalid IRQ value) the check for 'irq != gsi'
>> >will be true and and we will pass in -1 casted to unsigned. That is a
>> >large value and not the right thing we want to pass to xen_register_gsi.

>> My rationale for the unsigned part was that acpi_gsi_to_irq always
>> assigns a positive value (>= 0) to the irq passed (as unsigned
>> argument). But even otherwise that shouldn't make much of difference I guess.

>> Also,
>> I had sent another change (oneline) for the file
>> arch/x86/xen/platform-pci-unplug.c for check_platform_magic, looks like that has not gone into
>> the pull request for Linus.
>
>Oh, I didn't see it. Did you CC me on it? Can you bounce it to me please?
>
=========================
diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
index 25c52f9..ffcf261 100644
--- a/arch/x86/xen/platform-pci-unplug.c
+++ b/arch/x86/xen/platform-pci-unplug.c
@@ -35,7 +35,7 @@ EXPORT_SYMBOL_GPL(xen_platform_pci_unplug);
#ifdef CONFIG_XEN_PVHVM
static int xen_emul_unplug;

-static int __init check_platform_magic(void)
+static int check_platform_magic(void)
{
short magic;
char protocol;
--

--------------------------
Raghavendra Prabhu
GPG Id : 0xD72BE977
Fingerprint: B93F EBCB 8E05 7039 CD3C A4B8 A616 DCA1 D72B E977
www: wnohang.net


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