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authorJohn Garry <john.garry@huawei.com>2021-07-12 14:12:15 +0300
committerJoerg Roedel <jroedel@suse.de>2021-07-26 14:27:38 +0300
commit1d479f160c500249d8fa4d21e7d2b7aaffc04daf (patch)
treeeead35c3c611a8eb17e8fcdacb8ae96024b89ddc /drivers/iommu/amd
parent808035317b22e2dd8d2cfef2083ad1743ac0c0e2 (diff)
downloadlinux-1d479f160c500249d8fa4d21e7d2b7aaffc04daf.tar.xz
iommu: Deprecate Intel and AMD cmdline methods to enable strict mode
Now that the x86 drivers support iommu.strict, deprecate the custom methods. Signed-off-by: John Garry <john.garry@huawei.com> Acked-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/1626088340-5838-2-git-send-email-john.garry@huawei.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd')
-rw-r--r--drivers/iommu/amd/init.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 46280e6e1535..3a2fb805f11e 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -3098,8 +3098,10 @@ static int __init parse_amd_iommu_intr(char *str)
static int __init parse_amd_iommu_options(char *str)
{
for (; *str; ++str) {
- if (strncmp(str, "fullflush", 9) == 0)
+ if (strncmp(str, "fullflush", 9) == 0) {
+ pr_warn("amd_iommu=fullflush deprecated; use iommu.strict=1 instead\n");
amd_iommu_unmap_flush = true;
+ }
if (strncmp(str, "force_enable", 12) == 0)
amd_iommu_force_enable = true;
if (strncmp(str, "off", 3) == 0)