diff options
Diffstat (limited to 'arch/x86/mm/pkeys.c')
| -rw-r--r-- | arch/x86/mm/pkeys.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/mm/pkeys.c b/arch/x86/mm/pkeys.c index a02cfcf02d0d..fb171a5d7f33 100644 --- a/arch/x86/mm/pkeys.c +++ b/arch/x86/mm/pkeys.c @@ -10,7 +10,6 @@ #include <asm/cpufeature.h> /* boot_cpu_has, ... */ #include <asm/mmu_context.h> /* vma_pkey() */ -#include <asm/pkru.h> /* read/write_pkru() */ int __execute_only_pkey(struct mm_struct *mm) { @@ -125,22 +124,6 @@ u32 init_pkru_value = PKRU_AD_KEY( 1) | PKRU_AD_KEY( 2) | PKRU_AD_KEY( 3) | PKRU_AD_KEY(10) | PKRU_AD_KEY(11) | PKRU_AD_KEY(12) | PKRU_AD_KEY(13) | PKRU_AD_KEY(14) | PKRU_AD_KEY(15); -/* - * Called from the FPU code when creating a fresh set of FPU - * registers. This is called from a very specific context where - * we know the FPU registers are safe for use and we can use PKRU - * directly. - */ -void copy_init_pkru_to_fpregs(void) -{ - u32 init_pkru_value_snapshot = READ_ONCE(init_pkru_value); - /* - * Override the PKRU state that came from 'init_fpstate' - * with the baseline from the process. - */ - write_pkru(init_pkru_value_snapshot); -} - static ssize_t init_pkru_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { |