From: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
To: naveen.n.rao@linux.ibm.com, mpe@ellerman.id.au, ast@kernel.org,
daniel@iogearbox.net
Cc: ravi.bangoria@linux.ibm.com, songliubraving@fb.com,
netdev@vger.kernel.org, john.fastabend@gmail.com,
andrii@kernel.org, kpsingh@kernel.org, paulus@samba.org,
sandipan@linux.ibm.com, yhs@fb.com, bpf@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, kafai@fb.com,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/4] bpf powerpc: Remove unused SEEN_STACK
Date: Tue, 6 Jul 2021 13:02:08 +0530 [thread overview]
Message-ID: <20210706073211.349889-2-ravi.bangoria@linux.ibm.com> (raw)
In-Reply-To: <20210706073211.349889-1-ravi.bangoria@linux.ibm.com>
SEEN_STACK is unused on PowerPC. Remove it. Also, have
SEEN_TAILCALL use 0x40000000.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
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 */
--
2.26.3
next prev parent reply other threads:[~2021-07-06 7:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-06 7:32 [PATCH 0/4] bpf powerpc: Add BPF_PROBE_MEM support for 64bit JIT Ravi Bangoria
2021-07-06 7:32 ` Ravi Bangoria [this message]
2021-07-06 7:32 ` [PATCH 2/4] bpf powerpc: Remove extra_pass from bpf_jit_build_body() Ravi Bangoria
2021-07-06 7:32 ` [PATCH 3/4] bpf powerpc: Add BPF_PROBE_MEM support for 64bit JIT Ravi Bangoria
2021-07-06 9:53 ` Christophe Leroy
2021-07-07 4:01 ` Ravi Bangoria
2021-07-06 7:32 ` [PATCH 4/4] bpf powerpc: Add addr > TASK_SIZE_MAX explicit check Ravi Bangoria
2021-07-06 10:00 ` Christophe Leroy
2021-07-07 4:06 ` Ravi Bangoria
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