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Diffstat (limited to 'arch/riscv/kernel/signal.c')
-rw-r--r--arch/riscv/kernel/signal.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c
index dcd282419456..08378fea3a11 100644
--- a/arch/riscv/kernel/signal.c
+++ b/arch/riscv/kernel/signal.c
@@ -189,7 +189,7 @@ static long restore_sigcontext(struct pt_regs *regs,
return 0;
case RISCV_V_MAGIC:
- if (!has_vector() || !riscv_v_vstate_query(regs) ||
+ if (!(has_vector() || has_xtheadvector()) || !riscv_v_vstate_query(regs) ||
size != riscv_v_sc_size)
return -EINVAL;
@@ -211,16 +211,10 @@ static size_t get_rt_frame_size(bool cal_all)
frame_size = sizeof(*frame);
- if (has_vector()) {
+ if (has_vector() || has_xtheadvector()) {
if (cal_all || riscv_v_vstate_query(task_pt_regs(current)))
total_context_size += riscv_v_sc_size;
}
- /*
- * Preserved a __riscv_ctx_hdr for END signal context header if an
- * extension uses __riscv_extra_ext_header
- */
- if (total_context_size)
- total_context_size += sizeof(struct __riscv_ctx_hdr);
frame_size += total_context_size;
@@ -284,7 +278,7 @@ static long setup_sigcontext(struct rt_sigframe __user *frame,
if (has_fpu())
err |= save_fp_state(regs, &sc->sc_fpregs);
/* Save the vector state. */
- if (has_vector() && riscv_v_vstate_query(regs))
+ if ((has_vector() || has_xtheadvector()) && riscv_v_vstate_query(regs))
err |= save_v_state(regs, (void __user **)&sc_ext_ptr);
/* Write zero to fp-reserved space and check it on restore_sigcontext */
err |= __put_user(0, &sc->sc_extdesc.reserved);