Messages in this thread Patch in this message | | | From | Jason Yan <> | Subject | [PATCH v5 5/6] powerpc/fsl_booke/64: clear the original kernel if randomized | Date | Mon, 30 Mar 2020 10:20:22 +0800 |
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The original kernel still exists in the memory, clear it now.
Signed-off-by: Jason Yan <yanaijie@huawei.com> Cc: Scott Wood <oss@buserror.net> Cc: Diana Craciun <diana.craciun@nxp.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Kees Cook <keescook@chromium.org> --- arch/powerpc/mm/nohash/kaslr_booke.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c index 24ad34641869..6c46f24cc53d 100644 --- a/arch/powerpc/mm/nohash/kaslr_booke.c +++ b/arch/powerpc/mm/nohash/kaslr_booke.c @@ -382,8 +382,10 @@ notrace void __init kaslr_early_init(void *dt_ptr, phys_addr_t size) unsigned long kernel_sz; if (IS_ENABLED(CONFIG_PPC64)) { - if (__run_at_load == 1) + if (__run_at_load == 1) { + kaslr_late_init(); return; + } /* Get the first memblock size */ early_get_first_memblock_info(dt_ptr, &size); -- 2.17.2
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