update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/scripts/checkstack.pl
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@@ -34,8 +34,10 @@
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 # $& (whole re) matches the complete objdump line with the stack growth
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 # $1 (first bracket) matches the dynamic amount of the stack growth
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 #
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+# $sub: subroutine for special handling to check stack usage.
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+#
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 # use anything else and feel the pain ;)
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-my (@stack, $re, $dre, $x, $xs, $funcre);
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+my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
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 {
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 	my $arch = shift;
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 	if ($arch eq "") {
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@@ -43,15 +45,23 @@
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 		chomp($arch);
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 	}
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+	$min_stack = shift;
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+	if ($min_stack eq "" || $min_stack !~ /^\d+$/) {
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+		$min_stack = 100;
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+	}
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+
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 	$x	= "[0-9a-f]";	# hex character
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 	$xs	= "[0-9a-f ]";	# hex character or space
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 	$funcre = qr/^$x* <(.*)>:$/;
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 	if ($arch =~ '^(aarch|arm)64$') {
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 		#ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp, #-80]!
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+		#a110:       d11643ff        sub     sp, sp, #0x590
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 		$re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
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+		$dre = qr/^.*sub.*sp, sp, #(0x$x{1,8})/o;
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 	} elsif ($arch eq 'arm') {
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 		#c0008ffc:	e24dd064	sub	sp, sp, #100	; 0x64
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-		$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
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+		$re = qr/.*sub.*sp, sp, #([0-9]{1,4})/o;
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+		$sub = \&arm_push_handling;
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 	} elsif ($arch =~ /^x86(_64)?$/ || $arch =~ /^i[3456]86$/) {
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 		#c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp
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 		# or
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@@ -105,13 +115,50 @@
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 }
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 #
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+# To count stack usage of push {*, fp, ip, lr, pc} instruction in ARM,
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+# if FRAME POINTER is enabled.
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+# e.g. c01f0d48: e92ddff0 push {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
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+#
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+sub arm_push_handling {
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+	my $regex = qr/.*push.*fp, ip, lr, pc}/o;
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+	my $size = 0;
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+	my $line_arg = shift;
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+
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+	if ($line_arg =~ m/$regex/) {
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+		$size = $line_arg =~ tr/,//;
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+		$size = ($size + 1) * 4;
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+	}
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+
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+	return $size;
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+}
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+
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+#
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 # main()
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 #
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-my ($func, $file, $lastslash);
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+my ($func, $file, $lastslash, $total_size, $addr, $intro);
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+
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+$total_size = 0;
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 while (my $line = <STDIN>) {
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 	if ($line =~ m/$funcre/) {
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 		$func = $1;
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+		next if $line !~ m/^($xs*)/;
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+		if ($total_size > $min_stack) {
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+			push @stack, "$intro$total_size\n";
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+		}
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+
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+		$addr = $1;
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+		$addr =~ s/ /0/g;
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+		$addr = "0x$addr";
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+
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+		$intro = "$addr $func [$file]:";
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+		my $padlen = 56 - length($intro);
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+		while ($padlen > 0) {
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+			$intro .= '	';
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+			$padlen -= 8;
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+		}
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+
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+		$total_size = 0;
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 	}
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 	elsif ($line =~ m/(.*):\s*file format/) {
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 		$file = $1;
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@@ -132,36 +179,22 @@
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 		}
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 		next if ($size > 0x10000000);
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-		next if $line !~ m/^($xs*)/;
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-		my $addr = $1;
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-		$addr =~ s/ /0/g;
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-		$addr = "0x$addr";
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-
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-		my $intro = "$addr $func [$file]:";
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-		my $padlen = 56 - length($intro);
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-		while ($padlen > 0) {
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-			$intro .= '	';
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-			$padlen -= 8;
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-		}
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-		next if ($size < 100);
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-		push @stack, "$intro$size\n";
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+		$total_size += $size;
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 	}
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 	elsif (defined $dre && $line =~ m/$dre/) {
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-		my $size = "Dynamic ($1)";
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+		my $size = $1;
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-		next if $line !~ m/^($xs*)/;
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-		my $addr = $1;
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-		$addr =~ s/ /0/g;
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-		$addr = "0x$addr";
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-
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-		my $intro = "$addr $func [$file]:";
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-		my $padlen = 56 - length($intro);
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-		while ($padlen > 0) {
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-			$intro .= '	';
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-			$padlen -= 8;
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-		}
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-		push @stack, "$intro$size\n";
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+		$size = hex($size) if ($size =~ /^0x/);
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+		$total_size += $size;
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 	}
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+	elsif (defined $sub) {
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+		my $size = &$sub($line);
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+
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+		$total_size += $size;
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+	}
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+}
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+if ($total_size > $min_stack) {
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+	push @stack, "$intro$total_size\n";
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 }
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 # Sort output by size (last field)