Unverified Commit 9dc30419 authored by Leonardo Bras's avatar Leonardo Bras Committed by Palmer Dabbelt
Browse files

riscv: Replace direct thread flag check with is_compat_task() 



There is some code that detects compat mode into a task by checking the
flag directly, and other code that check using the helper is_compat_task().

Since the helper already exists, use it instead of checking the flags
directly.

Signed-off-by: default avatarLeonardo Bras <leobras@redhat.com>
Link: https://lore.kernel.org/r/20240103160024.70305-4-leobras@redhat.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 6be7ee4b

arch/riscv/include/asm/elf.h

+1 −1
Original line number Diff line number Diff line
@@ -54,7 +54,7 @@ extern bool compat_elf_check_arch(Elf32_Ehdr *hdr); 


#ifdef CONFIG_64BIT

#ifdef CONFIG_COMPAT

#define STACK_RND_MASK		(test_thread_flag(TIF_32BIT) ? \

#define STACK_RND_MASK		(is_compat_task() ? \

				 0x7ff >> (PAGE_SHIFT - 12) : \

				 0x3ffff >> (PAGE_SHIFT - 12))

#else

arch/riscv/include/asm/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -882,7 +882,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte) 


#ifdef CONFIG_COMPAT

#define TASK_SIZE_32	(_AC(0x80000000, UL) - PAGE_SIZE)

#define TASK_SIZE	(test_thread_flag(TIF_32BIT) ? \

#define TASK_SIZE	(is_compat_task() ? \

			 TASK_SIZE_32 : TASK_SIZE_64)

#else

#define TASK_SIZE	TASK_SIZE_64