[PATCH v2 03/13] powerpc: Remove func_descr_t

Christophe Leroy
2021-10-14T05:49:52Z

'func_descr_t' is redundant with 'struct ppc64_opd_entry'

Remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/include/asm/code-patching.h | 2 +-
arch/powerpc/include/asm/types.h | 6 ------
arch/powerpc/kernel/signal_64.c | 8 ++++----
3 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index 4ba834599c4d..f3445188d319 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -110,7 +110,7 @@ static inline unsigned long ppc_function_entry(void *func)
* function's descriptor. The first entry in the descriptor is the
* address of the function text.
*/
- return ((func_descr_t *)func)->entry;
+ return ((struct ppc64_opd_entry *)func)->addr;
#else
return (unsigned long)func;
#endif
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index f1630c553efe..97da77bc48c9 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/arch/powerpc/include/asm/types.h
@@ -23,12 +23,6 @@

typedef __vector128 vector128;

-typedef struct {
- unsigned long entry;
- unsigned long toc;
- unsigned long env;
-} func_descr_t;
-
#endif /* __ASSEMBLY__ */

#endif /* _ASM_POWERPC_TYPES_H */
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 1831bba0582e..63ddbe7b108c 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -933,11 +933,11 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set,
* descriptor is the entry address of signal and the second
* entry is the TOC value we need to use.
*/
- func_descr_t __user *funct_desc_ptr - (func_descr_t __user *) ksig->ka.sa.sa_handler;
+ struct ppc64_opd_entry __user *funct_desc_ptr + (struct ppc64_opd_entry __user *)ksig->ka.sa.sa_handler;

- err |= get_user(regs->ctr, &funct_desc_ptr->entry);
- err |= get_user(regs->gpr[2], &funct_desc_ptr->toc);
+ err |= get_user(regs->ctr, &funct_desc_ptr->addr);
+ err |= get_user(regs->gpr[2], &funct_desc_ptr->r2);
}

/* enter the signal handler in native-endian mode */
--
2.31.1