diff options
| author | Fenghua Yu <fenghua.yu@intel.com> | 2022-02-07 15:02:45 -0800 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-02-14 19:23:50 +0100 |
| commit | 7a853c2d5951419fdf3c1c9d2b6f5a38f6a6857d (patch) | |
| tree | 77e1c35ff29b71334dba43e91fb85c7721687184 | |
| parent | 7ba564722d98e3e7bc3922ad4f2885ca0336674e (diff) | |
| download | linux-7a853c2d5951419fdf3c1c9d2b6f5a38f6a6857d.tar.bz2 | |
mm: Change CONFIG option for mm->pasid field
This currently depends on CONFIG_IOMMU_SUPPORT. But it is only
needed when CONFIG_IOMMU_SVA option is enabled.
Change the CONFIG guards around definition and initialization
of mm->pasid field.
Suggested-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220207230254.3342514-3-fenghua.yu@intel.com
| -rw-r--r-- | include/linux/mm_types.h | 2 | ||||
| -rw-r--r-- | kernel/fork.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 5140e5feb486..c5cbfd7915ad 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -631,7 +631,7 @@ struct mm_struct { #endif struct work_struct async_put_work; -#ifdef CONFIG_IOMMU_SUPPORT +#ifdef CONFIG_IOMMU_SVA u32 pasid; #endif } __randomize_layout; diff --git a/kernel/fork.c b/kernel/fork.c index d75a528f7b21..6ee7551d3bd2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1021,7 +1021,7 @@ static void mm_init_owner(struct mm_struct *mm, struct task_struct *p) static void mm_init_pasid(struct mm_struct *mm) { -#ifdef CONFIG_IOMMU_SUPPORT +#ifdef CONFIG_IOMMU_SVA mm->pasid = INIT_PASID; #endif } |