| Message ID | 20210202150749.10104-1-liuhailongg6@163.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64/ptdump:display the Linear Mapping start marker | expand |
On 2/2/21 7:07 AM, Hailong Liu wrote: > From: Hailong Liu <liu.hailong6@zte.com.cn> > > The current /sys/kernel/debug/kernel_page_tables does not display the > *Linear Mapping start* marker on arm64, which I think should be paired > with the *Linear Mapping start* marker. paired with itself? just asking... > > Since *Linear Mapping start* is the first marker, use level=-1 to display it. > > Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn> > --- > arch/arm64/mm/ptdump.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c > index 04137a8f3d2d..0e050d76b83a 100644 > --- a/arch/arm64/mm/ptdump.c > +++ b/arch/arm64/mm/ptdump.c > @@ -324,6 +324,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info *info) > st = (struct pg_state){ > .seq = s, > .marker = info->markers, > + .level = -1, > .ptdump = { > .note_page = note_page, > .range = (struct ptdump_range[]){ >
On Tue, 2 Feb 2021 23:07:49 +0800, Hailong Liu wrote: > The current /sys/kernel/debug/kernel_page_tables does not display the > *Linear Mapping start* marker on arm64, which I think should be paired > with the *Linear Mapping start* marker. > > Since *Linear Mapping start* is the first marker, use level=-1 to display it. Applied to arm64 (for-next/misc), thanks! [1/1] arm64/ptdump:display the Linear Mapping start marker https://git.kernel.org/arm64/c/b9ba680969d1 Cheers,
On 2/3/21 3:39 AM, Randy Dunlap wrote: > On 2/2/21 7:07 AM, Hailong Liu wrote: >> From: Hailong Liu <liu.hailong6@zte.com.cn> >> >> The current /sys/kernel/debug/kernel_page_tables does not display the >> *Linear Mapping start* marker on arm64, which I think should be paired >> with the *Linear Mapping start* marker. > > paired with itself? just asking. Oh,sorry, it's a mistake. My original intention is to express that "start" paired with "end". Thanks for pointing out my mistake, and thank Will for fixing this.
diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index 04137a8f3d2d..0e050d76b83a 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -324,6 +324,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info *info) st = (struct pg_state){ .seq = s, .marker = info->markers, + .level = -1, .ptdump = { .note_page = note_page, .range = (struct ptdump_range[]){