diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-05-06 13:30:51 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-05-17 15:27:16 +1000 |
| commit | b09049c516af90d4b6643b5d0d2549cd01539086 (patch) | |
| tree | 1cc1b07a0f51c1fca6fdf9fea5c3704736eaffc7 /arch/powerpc/include/asm | |
| parent | 8af8d72dc58e90dc945ca627b24968400e0f21b6 (diff) | |
powerpc: Only pad struct pt_regs when needed
If neither KUAP nor PPC64 is selected, there is nothing in the second
union of struct pt_regs, so the alignment padding is waste of memory.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d536bbc46094f66b24d3017343be25164f232933.1620307840.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 9c9ab2746168..4fd3a3bd5272 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -47,7 +47,7 @@ struct pt_regs unsigned long result; }; }; - +#if defined(CONFIG_PPC64) || defined(CONFIG_PPC_KUAP) union { struct { #ifdef CONFIG_PPC64 @@ -67,6 +67,7 @@ struct pt_regs }; unsigned long __pad[4]; /* Maintain 16 byte interrupt stack alignment */ }; +#endif }; #endif |