Re: [PATCH v6 32/39] s390/ptdump: Add KMSAN page markers
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: 2024-06-21 08:21:27
Also in:
linux-mm, linux-s390, lkml
On Fri, 2024-06-21 at 02:25 +0200, Ilya Leoshkevich wrote:
quoted hunk ↗ jump to hunk
Add KMSAN vmalloc metadata areas to kernel_page_tables. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- arch/s390/mm/dump_pagetables.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+)diff --git a/arch/s390/mm/dump_pagetables.cb/arch/s390/mm/dump_pagetables.c index ffd07ed7b4af..f51e5d0862a3 100644--- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c@@ -36,6 +36,16 @@ enum address_markers_idx {VMEMMAP_END_NR, VMALLOC_NR, VMALLOC_END_NR, +#ifdef CONFIG_KMSAN + KMSAN_VMALLOC_SHADOW_START_NR, + KMSAN_VMALLOC_SHADOW_END_NR, + KMSAN_VMALLOC_ORIGIN_START_NR, + KMSAN_VMALLOC_ORIGIN_END_NR, + KMSAN_MODULES_SHADOW_START_NR, + KMSAN_MODULES_SHADOW_END_NR, + KMSAN_MODULES_ORIGIN_START_NR, + KMSAN_MODULES_ORIGIN_END_NR, +#endif MODULES_NR, MODULES_END_NR, ABS_LOWCORE_NR,@@ -74,6 +84,16 @@ static struct addr_marker address_markers[] = {#ifdef CONFIG_KASAN [KASAN_SHADOW_START_NR] = {KASAN_SHADOW_START, "Kasan Shadow Start"}, [KASAN_SHADOW_END_NR] = {KASAN_SHADOW_END, "Kasan Shadow End"}, +#endif +#ifdef CONFIG_KMSAN + [KMSAN_VMALLOC_SHADOW_START_NR] = {0, "Kmsan vmalloc Shadow Start"}, + [KMSAN_VMALLOC_SHADOW_END_NR] = {0, "Kmsan vmalloc Shadow End"}, + [KMSAN_VMALLOC_ORIGIN_START_NR] = {0, "Kmsan vmalloc Origins Start"}, + [KMSAN_VMALLOC_ORIGIN_END_NR] = {0, "Kmsan vmalloc Origins End"}, + [KMSAN_MODULES_SHADOW_START_NR] = {0, "Kmsan Modules Shadow Start"}, + [KMSAN_MODULES_SHADOW_END_NR] = {0, "Kmsan Modules Shadow End"}, + [KMSAN_MODULES_ORIGIN_START_NR] = {0, "Kmsan Modules Origins Start"}, + [KMSAN_MODULES_ORIGIN_END_NR] = {0, "Kmsan Modules Origins End"}, #endif
Please disregard this patch. It's not essential for the series, and
also has a subtle bug: this block needs to be moved upwards, because
right now { -1, NULL } overlaps [MODULES_NR]. I will resend it
separately later.
{ -1, NULL }
};