[PATCH v2 1/8] bpf powerpc: Remove unused SEEN_STACK
From: Hari Bathini <hbathini@linux.ibm.com>
Date: 2021-09-17 15:32:11
Also in:
bpf, linuxppc-dev
Subsystem:
bpf jit for powerpc (32-bit and 64-bit), bpf [general] (safe dynamic programs and tools), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Hari Bathini, Christophe Leroy, Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: Ravi Bangoria <redacted> SEEN_STACK is unused on PowerPC. Remove it. Also, have SEEN_TAILCALL use 0x40000000. Signed-off-by: Ravi Bangoria <redacted> --- * No changes in v2. arch/powerpc/net/bpf_jit.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index 99fad093f43e..d6267e93027a 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h@@ -116,8 +116,7 @@ static inline bool is_nearbranch(int offset) #define COND_LE (CR0_GT | COND_CMP_FALSE) #define SEEN_FUNC 0x20000000 /* might call external helpers */ -#define SEEN_STACK 0x40000000 /* uses BPF stack */ -#define SEEN_TAILCALL 0x80000000 /* uses tail calls */ +#define SEEN_TAILCALL 0x40000000 /* uses tail calls */ #define SEEN_VREG_MASK 0x1ff80000 /* Volatile registers r3-r12 */ #define SEEN_NVREG_MASK 0x0003ffff /* Non volatile registers r14-r31 */
--
2.31.1