powerpc/fsl_booke/kaslr: support nokaslr cmdline parameter (8c2ae87b) · Commits · 戴 / test

One may want to disable kaslr when boot, so provide a cmdline parameter 'nokaslr' to support this. Signed-off-by:

arch/powerpc/mm/nohash/kaslr_booke.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -281,6 +281,11 @@ static unsigned long __init kaslr_legal_offset(void *dt_ptr, unsigned long index
		return koffset;
		}

		static inline __init bool kaslr_disabled(void)
		{
		return strstr(boot_command_line, "nokaslr") != NULL;
		}

		static unsigned long __init kaslr_choose_location(void *dt_ptr, phys_addr_t size,
		unsigned long kernel_sz)
		{
		@@ -290,6 +295,8 @@ static unsigned long __init kaslr_choose_location(void *dt_ptr, phys_addr_t size
		unsigned long index;

		kaslr_get_cmdline(dt_ptr);
		if (kaslr_disabled())
		return 0;

		random = get_boot_seed(dt_ptr);