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riscv: Replace direct thread flag check with is_compat_task()

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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: Leonardo Bras <leobras@redhat.com>
Link: https://lore.kernel.org/r/20240103160024.70305-4-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Leonardo Bras 2024-01-03 13:00:20 -03:00 committed by Palmer Dabbelt
parent 6be7ee4beb
commit 9dc3041924
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2 changed files with 2 additions and 2 deletions
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2
arch/riscv/include/asm/elf.h
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@ -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

2
arch/riscv/include/asm/pgtable.h
View File

@ -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