diff options
Diffstat (limited to 'arch/arm64/mm/context.c')
| -rw-r--r-- | arch/arm64/mm/context.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index efcf1f7ef1e4..4c63cb154859 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -221,7 +221,12 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu) raw_spin_unlock_irqrestore(&cpu_asid_lock, flags); switch_mm_fastpath: - cpu_switch_mm(mm->pgd, mm); + /* + * Defer TTBR0_EL1 setting for user threads to uaccess_enable() when + * emulating PAN. + */ + if (!system_uses_ttbr0_pan()) + cpu_switch_mm(mm->pgd, mm); } static int asids_init(void) |
