Re: [PATCH v2] powerpc/uaccess: correct check for CONFIG_PPC_E500 in mask_user_address()
From: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Date: 2026-06-16 05:34:54
Also in:
stable
From: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Date: 2026-06-16 05:34:54
Also in:
stable
Le 16/06/2026 à 01:37, Ethan Nelson-Moore a écrit :
mask_user_address() incorrectly checks for CONFIG_E500 instead of
CONFIG_PPC_E500, causing mask_user_address_isel() to not be used on
E500 hardware. Fix the check to use the correct name.
Fixes: 861574d51bbd ("powerpc/uaccess: Implement masked user access")
Cc: stable@vger.kernel.org # 7.0+
Signed-off-by: Ethan Nelson-Moore <redacted>Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
--- Changes in v2: Correct explanation and Fixes tag (thanks Christophe) arch/powerpc/include/asm/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index e98c628e3899..619270bb7380 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h@@ -511,7 +511,7 @@ static inline void __user *mask_user_address(const void __user *ptr) if (IS_ENABLED(CONFIG_PPC64)) return mask_user_address_simple(ptr); - if (IS_ENABLED(CONFIG_E500)) + if (IS_ENABLED(CONFIG_PPC_E500)) return mask_user_address_isel(ptr); if (TASK_SIZE <= UL(SZ_2G) && border >= UL(SZ_2G)) return mask_user_address_simple(ptr);