Re: [PATCH AUTOSEL 6.3 5/7] riscv: Unconditionnally select KASAN_VMALLOC if KASAN

Sasha Levin
2023-05-18T17:45:32Z

On Fri, May 12, 2023 at 11:51:03AM +0200, Alexandre Ghiti wrote:
>Hi Sasha,
>
>On 5/9/23 05:54, Sasha Levin wrote:
>>From: Alexandre Ghiti <alexghiti@rivosinc.com>
>>
>>[ Upstream commit 864046c512c2cd8418dc928b91981fb12a80396c ]
>>
>>If KASAN is enabled, VMAP_STACK depends on KASAN_VMALLOC so enable
>>KASAN_VMALLOC with KASAN so that we can enable VMAP_STACK by default.
>>
>>Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
>>Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
>>Link: https://lore.kernel.org/r/20230203075232.274282-7-alexghiti@rivosinc.com
>>Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
>>Signed-off-by: Sasha Levin <sashal@kernel.org>
>>---
>> arch/riscv/Kconfig | 1 +
>> 1 file changed, 1 insertion(+)
>>
>>diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
>>index eb7f29a412f87..d6aad84efb95e 100644
>>--- a/arch/riscv/Kconfig
>>+++ b/arch/riscv/Kconfig
>>@@ -118,6 +118,7 @@ config RISCV
>> select HAVE_SYSCALL_TRACEPOINTS
>> select IRQ_DOMAIN
>> select IRQ_FORCED_THREADING
>>+ select KASAN_VMALLOC if KASAN
>> select MODULES_USE_ELF_RELA if MODULES
>> select MODULE_SECTIONS if MODULES
>> select OF
>
>
>KASAN_VMALLOC is broken for any kernel < 6.4, so this one should not
>be backported to any kernel (5.15, 6.1, 6.2, 6.3).

Ack, dropped. Thanks!

--
Thanks,
Sasha