[v4,3/5] arm64: indent ptdump by level, aligning attributes

Commit Message

Maxwell Bland June 18, 2024, 2:42 p.m. UTC

Outputs each level of the page table with two additional spaces for
parsers, distinction, and readability while maintaining the alignment of
region size and attributes.

Signed-off-by: Maxwell Bland <[e-mail]>
---
 arch/arm64/mm/ptdump.c | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 8f0b459c13ed..2ec16b523043 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -336,6 +336,10 @@  static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
 		   addr >= st->marker[1].start_address) {
 		const char *unit = units;
 		unsigned long delta;
+		unsigned int i;
+
+		for (i = 0; i < st->level; i++)
+			pt_dump_seq_printf(st->seq, "  ");
 
 		if (st->current_prot) {
 			note_prot_uxn(st, addr);
@@ -362,6 +366,10 @@  static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
 					   st->start_address, addr);
 		}
 
+		/* Align region information regardlesss of level */
+		for (i = st->level; i < 4; i++)
+			pt_dump_seq_printf(st->seq, "  ");
+
 		delta >>= 10;
 		while (!(delta & 1023) && unit[1]) {
 			delta >>= 10;
@@ -369,6 +377,7 @@  static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
 		}
 		pt_dump_seq_printf(st->seq, "%9lu%c %s", delta, *unit,
 				   pg_level[st->level].name);
+
 		if (st->current_prot && pg_level[st->level].bits)
 			dump_prot(st, pg_level[st->level].bits,
 				  pg_level[st->level].num);