Merge branch 'fixes' into next

Bring in our fixes branch for this cycle which avoids some small
conflicts with upcoming commits.
This commit is contained in:
Michael Ellerman
2020-09-14 22:57:18 +10:00
33 changed files with 181 additions and 65 deletions

View File

@@ -548,7 +548,7 @@ void notrace restore_math(struct pt_regs *regs)
* are live for the user thread).
*/
if ((!(msr & MSR_FP)) && should_restore_fp())
new_msr |= MSR_FP | current->thread.fpexc_mode;
new_msr |= MSR_FP;
if ((!(msr & MSR_VEC)) && should_restore_altivec())
new_msr |= MSR_VEC;
@@ -559,11 +559,17 @@ void notrace restore_math(struct pt_regs *regs)
}
if (new_msr) {
unsigned long fpexc_mode = 0;
msr_check_and_set(new_msr);
if (new_msr & MSR_FP)
if (new_msr & MSR_FP) {
do_restore_fp();
// This also covers VSX, because VSX implies FP
fpexc_mode = current->thread.fpexc_mode;
}
if (new_msr & MSR_VEC)
do_restore_altivec();
@@ -572,7 +578,7 @@ void notrace restore_math(struct pt_regs *regs)
msr_check_and_clear(new_msr);
regs->msr |= new_msr;
regs->msr |= new_msr | fpexc_mode;
}
}
#endif