From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Hari Bathini <hbathini@linux.ibm.com>,
naveen.n.rao@linux.ibm.com, mpe@ellerman.id.au, ast@kernel.org,
daniel@iogearbox.net
Cc: paulus@samba.org, andrii@kernel.org, kafai@fb.com,
songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com,
kpsingh@kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 3/8] bpf powerpc: refactor JIT compiler code
Date: Fri, 17 Sep 2021 18:22:45 +0200 [thread overview]
Message-ID: <7bf850cd-f423-4079-57cb-2f60eb239d3c@csgroup.eu> (raw)
In-Reply-To: <20210917153047.177141-4-hbathini@linux.ibm.com>
Le 17/09/2021 à 17:30, Hari Bathini a écrit :
> Refactor powerpc JITing. This simplifies adding BPF_PROBE_MEM support.
>
> Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
> ---
>
> Changes in v2:
> * New patch to refactor a bit of JITing code.
>
>
> arch/powerpc/net/bpf_jit_comp32.c | 50 +++++++++++---------
> arch/powerpc/net/bpf_jit_comp64.c | 76 ++++++++++++++++---------------
> 2 files changed, 68 insertions(+), 58 deletions(-)
>
> diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
> index b60b59426a24..c8ae14c316e3 100644
> --- a/arch/powerpc/net/bpf_jit_comp32.c
> +++ b/arch/powerpc/net/bpf_jit_comp32.c
> @@ -276,17 +276,17 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> u32 exit_addr = addrs[flen];
>
> for (i = 0; i < flen; i++) {
> - u32 code = insn[i].code;
> u32 dst_reg = bpf_to_ppc(ctx, insn[i].dst_reg);
> - u32 dst_reg_h = dst_reg - 1;
> u32 src_reg = bpf_to_ppc(ctx, insn[i].src_reg);
> - u32 src_reg_h = src_reg - 1;
> u32 tmp_reg = bpf_to_ppc(ctx, TMP_REG);
> + u32 true_cond, code = insn[i].code;
> + u32 dst_reg_h = dst_reg - 1;
> + u32 src_reg_h = src_reg - 1;
> + u32 size = BPF_SIZE(code);
> s16 off = insn[i].off;
> s32 imm = insn[i].imm;
> bool func_addr_fixed;
> u64 func_addr;
> - u32 true_cond;
>
> /*
> * addrs[] maps a BPF bytecode address into a real offset from
> @@ -809,25 +809,33 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> /*
> * BPF_LDX
> */
> - case BPF_LDX | BPF_MEM | BPF_B: /* dst = *(u8 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> - EMIT(PPC_RAW_LI(dst_reg_h, 0));
> - break;
> - case BPF_LDX | BPF_MEM | BPF_H: /* dst = *(u16 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> - EMIT(PPC_RAW_LI(dst_reg_h, 0));
> - break;
> - case BPF_LDX | BPF_MEM | BPF_W: /* dst = *(u32 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> + /* dst = *(u8 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_B:
> + /* dst = *(u16 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_H:
> + /* dst = *(u32 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_W:
> + /* dst = *(u64 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_DW:
You have to add the 'fallthrough;' keyword to avoid build failure with
later versions of GCC.
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> + break;
> + case BPF_DW:
> + EMIT(PPC_RAW_LWZ(dst_reg_h, src_reg, off));
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off + 4));
> + break;
> + }
> +
> + if ((size != BPF_DW) && !fp->aux->verifier_zext)
> EMIT(PPC_RAW_LI(dst_reg_h, 0));
> break;
> - case BPF_LDX | BPF_MEM | BPF_DW: /* dst = *(u64 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LWZ(dst_reg_h, src_reg, off));
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off + 4));
> - break;
>
> /*
> * Doubleword load
> diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
> index 2a87da50d9a4..78b28f25555c 100644
> --- a/arch/powerpc/net/bpf_jit_comp64.c
> +++ b/arch/powerpc/net/bpf_jit_comp64.c
> @@ -282,16 +282,15 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> u32 exit_addr = addrs[flen];
>
> for (i = 0; i < flen; i++) {
> - u32 code = insn[i].code;
> u32 dst_reg = b2p[insn[i].dst_reg];
> u32 src_reg = b2p[insn[i].src_reg];
> + u32 tmp_idx, code = insn[i].code;
> + u32 size = BPF_SIZE(code);
> s16 off = insn[i].off;
> s32 imm = insn[i].imm;
> bool func_addr_fixed;
> - u64 func_addr;
> - u64 imm64;
> + u64 func_addr, imm64;
> u32 true_cond;
> - u32 tmp_idx;
>
> /*
> * addrs[] maps a BPF bytecode address into a real offset from
> @@ -638,35 +637,34 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> */
> case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STB(src_reg, dst_reg, off));
> - break;
> case BPF_STX | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STH(src_reg, dst_reg, off));
> - break;
> case BPF_STX | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - PPC_LI32(b2p[TMP_REG_1], imm);
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STW(src_reg, dst_reg, off));
> - break;
You have to add the 'fallthrough;' keyword to avoid build failure with
later versions of GCC.
> case BPF_STX | BPF_MEM | BPF_DW: /* (u64 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_DW: /* *(u64 *)(dst + off) = imm */
> if (BPF_CLASS(code) == BPF_ST) {
> - PPC_LI32(b2p[TMP_REG_1], imm);
> + if ((size == BPF_B) || (size == BPF_H))
> + EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> + else /* size == BPF_W || size == BPF_DW */
> + PPC_LI32(b2p[TMP_REG_1], imm);
> src_reg = b2p[TMP_REG_1];
> }
> - PPC_BPF_STL(src_reg, dst_reg, off);
> +
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_STB(src_reg, dst_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_STH(src_reg, dst_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_STW(src_reg, dst_reg, off));
> + break;
> + case BPF_DW:
> + PPC_BPF_STL(src_reg, dst_reg, off);
> + break;
> + }
> break;
>
> /*
> @@ -716,25 +714,29 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> */
> /* dst = *(u8 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_B:
> - EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u16 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_H:
> - EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u32 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_W:
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u64 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_DW:
> - PPC_BPF_LL(dst_reg, src_reg, off);
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> + break;
> + case BPF_DW:
> + PPC_BPF_LL(dst_reg, src_reg, off);
> + break;
> + }
> +
> + if ((size != BPF_DW) && insn_is_zext(&insn[i + 1]))
> + addrs[++i] = ctx->idx * 4;
> break;
>
> /*
>
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Hari Bathini <hbathini@linux.ibm.com>,
naveen.n.rao@linux.ibm.com, mpe@ellerman.id.au, ast@kernel.org,
daniel@iogearbox.net
Cc: songliubraving@fb.com, netdev@vger.kernel.org,
john.fastabend@gmail.com, andrii@kernel.org, kpsingh@kernel.org,
paulus@samba.org, yhs@fb.com, bpf@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, kafai@fb.com
Subject: Re: [PATCH v2 3/8] bpf powerpc: refactor JIT compiler code
Date: Fri, 17 Sep 2021 18:22:45 +0200 [thread overview]
Message-ID: <7bf850cd-f423-4079-57cb-2f60eb239d3c@csgroup.eu> (raw)
In-Reply-To: <20210917153047.177141-4-hbathini@linux.ibm.com>
Le 17/09/2021 à 17:30, Hari Bathini a écrit :
> Refactor powerpc JITing. This simplifies adding BPF_PROBE_MEM support.
>
> Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
> ---
>
> Changes in v2:
> * New patch to refactor a bit of JITing code.
>
>
> arch/powerpc/net/bpf_jit_comp32.c | 50 +++++++++++---------
> arch/powerpc/net/bpf_jit_comp64.c | 76 ++++++++++++++++---------------
> 2 files changed, 68 insertions(+), 58 deletions(-)
>
> diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
> index b60b59426a24..c8ae14c316e3 100644
> --- a/arch/powerpc/net/bpf_jit_comp32.c
> +++ b/arch/powerpc/net/bpf_jit_comp32.c
> @@ -276,17 +276,17 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> u32 exit_addr = addrs[flen];
>
> for (i = 0; i < flen; i++) {
> - u32 code = insn[i].code;
> u32 dst_reg = bpf_to_ppc(ctx, insn[i].dst_reg);
> - u32 dst_reg_h = dst_reg - 1;
> u32 src_reg = bpf_to_ppc(ctx, insn[i].src_reg);
> - u32 src_reg_h = src_reg - 1;
> u32 tmp_reg = bpf_to_ppc(ctx, TMP_REG);
> + u32 true_cond, code = insn[i].code;
> + u32 dst_reg_h = dst_reg - 1;
> + u32 src_reg_h = src_reg - 1;
> + u32 size = BPF_SIZE(code);
> s16 off = insn[i].off;
> s32 imm = insn[i].imm;
> bool func_addr_fixed;
> u64 func_addr;
> - u32 true_cond;
>
> /*
> * addrs[] maps a BPF bytecode address into a real offset from
> @@ -809,25 +809,33 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> /*
> * BPF_LDX
> */
> - case BPF_LDX | BPF_MEM | BPF_B: /* dst = *(u8 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> - EMIT(PPC_RAW_LI(dst_reg_h, 0));
> - break;
> - case BPF_LDX | BPF_MEM | BPF_H: /* dst = *(u16 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> - EMIT(PPC_RAW_LI(dst_reg_h, 0));
> - break;
> - case BPF_LDX | BPF_MEM | BPF_W: /* dst = *(u32 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> - if (!fp->aux->verifier_zext)
> + /* dst = *(u8 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_B:
> + /* dst = *(u16 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_H:
> + /* dst = *(u32 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_W:
> + /* dst = *(u64 *)(ul) (src + off) */
> + case BPF_LDX | BPF_MEM | BPF_DW:
You have to add the 'fallthrough;' keyword to avoid build failure with
later versions of GCC.
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> + break;
> + case BPF_DW:
> + EMIT(PPC_RAW_LWZ(dst_reg_h, src_reg, off));
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off + 4));
> + break;
> + }
> +
> + if ((size != BPF_DW) && !fp->aux->verifier_zext)
> EMIT(PPC_RAW_LI(dst_reg_h, 0));
> break;
> - case BPF_LDX | BPF_MEM | BPF_DW: /* dst = *(u64 *)(ul) (src + off) */
> - EMIT(PPC_RAW_LWZ(dst_reg_h, src_reg, off));
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off + 4));
> - break;
>
> /*
> * Doubleword load
> diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
> index 2a87da50d9a4..78b28f25555c 100644
> --- a/arch/powerpc/net/bpf_jit_comp64.c
> +++ b/arch/powerpc/net/bpf_jit_comp64.c
> @@ -282,16 +282,15 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> u32 exit_addr = addrs[flen];
>
> for (i = 0; i < flen; i++) {
> - u32 code = insn[i].code;
> u32 dst_reg = b2p[insn[i].dst_reg];
> u32 src_reg = b2p[insn[i].src_reg];
> + u32 tmp_idx, code = insn[i].code;
> + u32 size = BPF_SIZE(code);
> s16 off = insn[i].off;
> s32 imm = insn[i].imm;
> bool func_addr_fixed;
> - u64 func_addr;
> - u64 imm64;
> + u64 func_addr, imm64;
> u32 true_cond;
> - u32 tmp_idx;
>
> /*
> * addrs[] maps a BPF bytecode address into a real offset from
> @@ -638,35 +637,34 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> */
> case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STB(src_reg, dst_reg, off));
> - break;
> case BPF_STX | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STH(src_reg, dst_reg, off));
> - break;
> case BPF_STX | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = imm */
> - if (BPF_CLASS(code) == BPF_ST) {
> - PPC_LI32(b2p[TMP_REG_1], imm);
> - src_reg = b2p[TMP_REG_1];
> - }
> - EMIT(PPC_RAW_STW(src_reg, dst_reg, off));
> - break;
You have to add the 'fallthrough;' keyword to avoid build failure with
later versions of GCC.
> case BPF_STX | BPF_MEM | BPF_DW: /* (u64 *)(dst + off) = src */
> case BPF_ST | BPF_MEM | BPF_DW: /* *(u64 *)(dst + off) = imm */
> if (BPF_CLASS(code) == BPF_ST) {
> - PPC_LI32(b2p[TMP_REG_1], imm);
> + if ((size == BPF_B) || (size == BPF_H))
> + EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
> + else /* size == BPF_W || size == BPF_DW */
> + PPC_LI32(b2p[TMP_REG_1], imm);
> src_reg = b2p[TMP_REG_1];
> }
> - PPC_BPF_STL(src_reg, dst_reg, off);
> +
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_STB(src_reg, dst_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_STH(src_reg, dst_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_STW(src_reg, dst_reg, off));
> + break;
> + case BPF_DW:
> + PPC_BPF_STL(src_reg, dst_reg, off);
> + break;
> + }
> break;
>
> /*
> @@ -716,25 +714,29 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
> */
> /* dst = *(u8 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_B:
> - EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u16 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_H:
> - EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u32 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_W:
> - EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> - if (insn_is_zext(&insn[i + 1]))
> - addrs[++i] = ctx->idx * 4;
> - break;
> /* dst = *(u64 *)(ul) (src + off) */
> case BPF_LDX | BPF_MEM | BPF_DW:
> - PPC_BPF_LL(dst_reg, src_reg, off);
> + switch (size) {
> + case BPF_B:
> + EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
> + break;
> + case BPF_H:
> + EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
> + break;
> + case BPF_W:
> + EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
> + break;
> + case BPF_DW:
> + PPC_BPF_LL(dst_reg, src_reg, off);
> + break;
> + }
> +
> + if ((size != BPF_DW) && insn_is_zext(&insn[i + 1]))
> + addrs[++i] = ctx->idx * 4;
> break;
>
> /*
>
next prev parent reply other threads:[~2021-09-17 16:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-17 15:30 [PATCH v2 0/8] bpf powerpc: Add BPF_PROBE_MEM support in powerpc JIT compiler Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 15:30 ` [PATCH v2 1/8] bpf powerpc: Remove unused SEEN_STACK Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:02 ` Christophe Leroy
2021-09-17 16:02 ` Christophe Leroy
2021-09-17 15:30 ` [PATCH v2 2/8] bpf powerpc: Remove extra_pass from bpf_jit_build_body() Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 15:30 ` [PATCH v2 3/8] bpf powerpc: refactor JIT compiler code Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:10 ` Christophe Leroy
2021-09-17 16:10 ` Christophe Leroy
2021-09-20 13:28 ` Hari Bathini
2021-09-20 13:28 ` Hari Bathini
2021-09-17 16:22 ` Christophe Leroy [this message]
2021-09-17 16:22 ` Christophe Leroy
2021-09-17 15:30 ` [PATCH v2 4/8] powerpc/ppc-opcode: introduce PPC_RAW_BRANCH() macro Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:14 ` LEROY Christophe
2021-09-17 16:14 ` LEROY Christophe
2021-09-17 15:30 ` [PATCH v2 5/8] bpf ppc64: Add BPF_PROBE_MEM support for JIT Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:20 ` Christophe Leroy
2021-09-17 16:20 ` Christophe Leroy
2021-09-17 15:30 ` [PATCH v2 6/8] bpf ppc64: Add addr > TASK_SIZE_MAX explicit check Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:50 ` Christophe Leroy
2021-09-17 16:50 ` Christophe Leroy
2021-09-17 15:30 ` [PATCH v2 7/8] bpf ppc32: Add BPF_PROBE_MEM support for JIT Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:39 ` Christophe Leroy
2021-09-17 16:39 ` Christophe Leroy
2021-09-17 15:30 ` [PATCH v2 8/8] bpf ppc32: Add addr > TASK_SIZE_MAX explicit check Hari Bathini
2021-09-17 15:30 ` Hari Bathini
2021-09-17 16:57 ` Christophe Leroy
2021-09-17 16:57 ` Christophe Leroy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=7bf850cd-f423-4079-57cb-2f60eb239d3c@csgroup.eu \
--to=christophe.leroy@csgroup.eu \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=hbathini@linux.ibm.com \
--cc=john.fastabend@gmail.com \
--cc=kafai@fb.com \
--cc=kpsingh@kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=naveen.n.rao@linux.ibm.com \
--cc=netdev@vger.kernel.org \
--cc=paulus@samba.org \
--cc=songliubraving@fb.com \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.