x86/vdso: Clean up remnants of VDSO32_NOTE_MASK

[ Upstream commit 6517f29 ]

VDSO32_NOTE_MASK is not used or provided anymore, remove it.

Fixes: a13f2ef ("x86/xen: remove 32-bit Xen PV guest support")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Link: https://patch.msgid.link/20260330-vdso-x86-vdso32_note_mask-v1-1-2f5c473327bf@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: t-8ch

arch/x86/entry/vdso/vdso2c.c

@@ -75,7 +75,6 @@ struct vdso_sym {
 };
 
 struct vdso_sym required_syms[] = {
-	{"VDSO32_NOTE_MASK", true},
 	{"__kernel_vsyscall", true},
 	{"__kernel_sigreturn", true},
 	{"__kernel_rt_sigreturn", true},

arch/x86/include/asm/vdso.h

@@ -18,7 +18,6 @@ struct vdso_image {
 	unsigned long extable_base, extable_len;
 	const void *extable;
 
-	long sym_VDSO32_NOTE_MASK;
 	long sym___kernel_sigreturn;
 	long sym___kernel_rt_sigreturn;
 	long sym___kernel_vsyscall;