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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-04-09 08:54:14 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-04-09 08:54:14 +0200 |
| commit | 5d4047e777f896d1390bb79cd6fb60a845831aa8 (patch) | |
| tree | 29afc1919ca4c4fa47d8ad6f1424b914c510b229 | |
| parent | 19df8369b1905f36f23c1a21bac264fb5d5d3261 (diff) | |
| download | barebox-5d4047e777f896d1390bb79cd6fb60a845831aa8.tar.gz barebox-5d4047e777f896d1390bb79cd6fb60a845831aa8.tar.xz | |
ARM: mmu64: Add commment
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/cpu/mmu_64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c index 8355a4c6e8..d5a3d22238 100644 --- a/arch/arm/cpu/mmu_64.c +++ b/arch/arm/cpu/mmu_64.c @@ -220,6 +220,7 @@ static int mmu_init(void) for_each_memory_bank(bank) create_sections(bank->start, bank->start, bank->size, CACHED_MEM); + /* Make zero page faulting to catch NULL pointer derefs */ create_sections(0x0, 0x0, 0x1000, 0x0); mmu_enable(); |