On 2023/6/26 16:32, Zhang Zekun wrote:
hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I7ASVH CVE: NA
iova mag size will be iova_rcache size to 128, to support more concurrency in iova allocation, and can fix the problem dixcribe in bugzilla.
Signed-off-by: Zhang Zekun zhangzekun11@huawei.com
arch/arm64/configs/openeuler_defconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index eb4ee0522446..213c25c623a2 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -5950,6 +5950,7 @@ CONFIG_ARM_SMMU_V3_PM=y # CONFIG_QCOM_IOMMU is not set # CONFIG_VIRTIO_IOMMU is not set CONFIG_SMMU_BYPASS_DEV=y +CONFIG_IOVA_MAX_GLOBAL_MAGS=128
No, pls don't do this. we need to confirm there is no performance regressions for other scenarios.
Thanks Hanjun