arm64: Store struct thread_info in sp_el0

[cascardo/linux.git] / arch / arm64 / kernel / sleep.S

diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index f586f7c..e33fe33 100644 (file)
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -173,6 +173,9 @@ ENTRY(cpu_resume)
        /* load physical address of identity map page table in x1 */
        adrp    x1, idmap_pg_dir
        mov     sp, x2
+       /* save thread_info */
+       and     x2, x2, #~(THREAD_SIZE - 1)
+       msr     sp_el0, x2
        /*
         * cpu_do_resume expects x0 to contain context physical address
         * pointer and x1 to contain physical address of 1:1 page tables