Messages in this thread Patch in this message | | | From | Alexandre Ghiti <> | Subject | [PATCH v5 02/14] arm64: Make use of is_compat_task instead of hardcoding this test | Date | Tue, 30 Jul 2019 01:51:01 -0400 |
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Each architecture has its own way to determine if a task is a compat task, by using is_compat_task in arch_mmap_rnd, it allows more genericity and then it prepares its moving to mm/.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> --- arch/arm64/mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index b050641b5139..bb0140afed66 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c @@ -43,7 +43,7 @@ unsigned long arch_mmap_rnd(void) unsigned long rnd; #ifdef CONFIG_COMPAT - if (test_thread_flag(TIF_32BIT)) + if (is_compat_task()) rnd = get_random_long() & ((1UL << mmap_rnd_compat_bits) - 1); else #endif -- 2.20.1
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