x86/process/64: Move cpu_current_top_of_stack out of TSS

[linux-2.6-microblaze.git] / arch / x86 / mm / pti.c

diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index b377604..5d5c7bb 100644 (file)
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -440,10 +440,9 @@ static void __init pti_clone_user_shared(void)
 
        for_each_possible_cpu(cpu) {
                /*
-                * The SYSCALL64 entry code needs to be able to find the
-                * thread stack and needs one word of scratch space in which
-                * to spill a register.  All of this lives in the TSS, in
-                * the sp1 and sp2 slots.
+                * The SYSCALL64 entry code needs one word of scratch space
+                * in which to spill a register.  It lives in the sp2 slot
+                * of the CPU's TSS.
                 *
                 * This is done for all possible CPUs during boot to ensure
                 * that it's propagated to all mms.