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riscv: Introduce set_compat_task() in asm/compat.h

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In order to have all task compat bit access directly in compat.h, introduce
set_compat_task() to set/reset those when needed.

Also, since it's only used on an if/else scenario, simplify the macro using
it.

Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-7-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Leonardo Bras 2024-01-03 13:00:23 -03:00 committed by Palmer Dabbelt
parent 5917ea17ad
commit 2a8986fc5e
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2 changed files with 9 additions and 4 deletions
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8
arch/riscv/include/asm/compat.h
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@ -28,6 +28,14 @@ static inline int is_compat_thread(struct thread_info *thread)
return test_ti_thread_flag(thread, TIF_32BIT);
}
static inline void set_compat_task(bool is_compat)
{
if (is_compat)
set_thread_flag(TIF_32BIT);
else
clear_thread_flag(TIF_32BIT);
}
struct compat_user_regs_struct {
compat_ulong_t pc;
compat_ulong_t ra;

5
arch/riscv/include/asm/elf.h
View File

@ -135,10 +135,7 @@ do { \
#ifdef CONFIG_COMPAT
#define SET_PERSONALITY(ex) \
do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
set_thread_flag(TIF_32BIT); \
else \
clear_thread_flag(TIF_32BIT); \
do { set_compat_task((ex).e_ident[EI_CLASS] == ELFCLASS32); \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \