Date: Thu, 23 Sep 2021 01:46:31 +0530 From: Ankur Bansal <er.ankurbansal(a)gmail.com&gt; To: crash-utility(a)redhat.com Cc: Ankur Bansal <er.ankurbansal(a)gmail.com&gt; Subject: [Crash-utility] [PATCH] arm64 : assign page_offset and kvbase based on VA_BITS passed Message-ID: <1632341791-10205-1-git-send-email-er.ankurbansal(a)gmail.com&gt; Content-Type: text/plain; charset="US-ASCII" assign page_offset and kvbase based on VA_BITS passed

Change-Id: I525f3c7fd91e1f06e909c2f4c1749c44c068baea Signed-off-by: Ankur Bansal <er.ankurbansal(a)gmail.com&gt; --- arm64.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/arm64.c b/arm64.c index 7069312..2dc77f7 100644 --- a/arm64.c +++ b/arm64.c @@ -220,10 +220,17 @@ arm64_init(int when) /* vabits_actual introduced after mm flip, so it should be flipped layout */ if (ms->VA_BITS_ACTUAL) { - ms->page_offset = ARM64_FLIP_PAGE_OFFSET; - /* useless on arm64 */ - machdep->identity_map_base = ARM64_FLIP_PAGE_OFFSET; - machdep->kvbase = ARM64_FLIP_PAGE_OFFSET; + if ((pc->flags2 & SNAP)) { + ms->page_offset = ARM64_FLIP_PAGE_OFFSET; + /* useless on arm64 */ + machdep->identity_map_base = ARM64_FLIP_PAGE_OFFSET; + machdep->kvbase = ARM64_FLIP_PAGE_OFFSET; + } + else{ + ms->page_offset = ARM64_FLIP_PAGE_OFFSET_ACTUAL; + machdep->identity_map_base = ARM64_FLIP_PAGE_OFFSET_ACTUAL; + machdep->kvbase = ARM64_FLIP_PAGE_OFFSET_ACTUAL; + } ms->userspace_top = ARM64_USERSPACE_TOP_ACTUAL; } else { ms->page_offset = ARM64_PAGE_OFFSET; -- 2.7.4