On Wed, Apr 21, 2021 at 09:48:52PM -0700, Chang S. Bae wrote:

+void __init init_sigframe_size(void)
+{
+	max_frame_size = MAX_FRAME_SIGINFO_UCTXT_SIZE + MAX_FRAME_PADDING;
+
+	max_frame_size += fpu__get_fpstate_size() + MAX_XSAVE_PADDING;
+
+	/* Userspace expects an aligned size. */
+	max_frame_size = round_up(max_frame_size, FRAME_ALIGNMENT);

I guess we want

	pr_info("max sigframe size: %lu\n", max_frame_size);

here so that we can keep an eye on how much this becomes, in practice.

Thx.

-- 
Regards/Gruss,
    Boris.

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