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Commit ebcfa284 authored by Lucas Stach's avatar Lucas Stach Committed by Joerg Roedel
Browse files

iommu/amd: Tell kmemleak about the irq_remap_table 



This will get rid of a lot false positives caused by kmemleak being
unaware of the irq_remap_table. Based on a suggestion from Catalin Marinas.

Signed-off-by: default avatarLucas Stach <dev@lynxeye.de>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent bc33b0ca

drivers/iommu/amd_iommu_init.c

+4 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/amd-iommu.h>

#include <linux/export.h>

#include <linux/iommu.h>

#include <linux/kmemleak.h>

#include <asm/pci-direct.h>

#include <asm/iommu.h>

#include <asm/gart.h>
@@ -2090,6 +2091,7 @@ static struct syscore_ops amd_iommu_syscore_ops = { 


static void __init free_on_init_error(void)

{

	kmemleak_free(irq_lookup_table);

	free_pages((unsigned long)irq_lookup_table,

		   get_order(rlookup_table_size));
@@ -2321,6 +2323,8 @@ static int __init early_amd_iommu_init(void) 
		irq_lookup_table = (void *)__get_free_pages(

				GFP_KERNEL | __GFP_ZERO,

				get_order(rlookup_table_size));

		kmemleak_alloc(irq_lookup_table, rlookup_table_size,

			       1, GFP_KERNEL);

		if (!irq_lookup_table)

			goto out;

	}