From: Thomas Monjalon <thomas@monjalon.net>
To: declan.doherty@intel.com, radu.nicolau@intel.com,
konstantin.ananyev@intel.com
Cc: dev@dpdk.org, Akhil Goyal <akhil.goyal@nxp.com>,
pablo.de.lara.guarch@intel.com, hemant.agrawal@nxp.com,
borisp@mellanox.com, aviadye@mellanox.com, sandeep.malik@nxp.com,
jerin.jacob@caviumnetworks.com, john.mcnamara@intel.com,
shahafs@mellanox.com, olivier.matz@6wind.com
Subject: Re: [PATCH v6 08/10] net/ixgbe: enable inline ipsec
Date: Wed, 01 Nov 2017 20:58:52 +0100 [thread overview]
Message-ID: <3001236.PBxM8AWuc0@xps> (raw)
In-Reply-To: <20171025150727.30364-9-akhil.goyal@nxp.com>
Hi, there is compilation error with GCC 4.8.5.
It may be a false positive strict aliasing check.
Please could you check it below?
25/10/2017 17:07, Akhil Goyal:
> From: Radu Nicolau <radu.nicolau@intel.com>
>
> Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
> Signed-off-by: Declan Doherty <declan.doherty@intel.com>
[...]
> --- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
> +++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
> @@ -123,6 +123,59 @@ ixgbe_rxq_rearm(struct ixgbe_rx_queue *rxq)
> }
>
> static inline void
> +desc_to_olflags_v_ipsec(__m128i descs[4], struct rte_mbuf **rx_pkts)
> +{
> + __m128i sterr0, sterr1, sterr2, sterr3;
> + __m128i tmp1, tmp2, tmp3, tmp4;
> + __m128i rearm0, rearm1, rearm2, rearm3;
> +
> + const __m128i ipsec_sterr_msk = _mm_set_epi32(
> + 0, IXGBE_RXDADV_IPSEC_STATUS_SECP |
> + IXGBE_RXDADV_IPSEC_ERROR_AUTH_FAILED,
> + 0, 0);
> + const __m128i ipsec_proc_msk = _mm_set_epi32(
> + 0, IXGBE_RXDADV_IPSEC_STATUS_SECP, 0, 0);
> + const __m128i ipsec_err_flag = _mm_set_epi32(
> + 0, PKT_RX_SEC_OFFLOAD_FAILED | PKT_RX_SEC_OFFLOAD,
> + 0, 0);
> + const __m128i ipsec_proc_flag = _mm_set_epi32(
> + 0, PKT_RX_SEC_OFFLOAD, 0, 0);
> +
> + rearm0 = _mm_load_si128((__m128i *)&rx_pkts[0]->rearm_data);
> + rearm1 = _mm_load_si128((__m128i *)&rx_pkts[1]->rearm_data);
> + rearm2 = _mm_load_si128((__m128i *)&rx_pkts[2]->rearm_data);
> + rearm3 = _mm_load_si128((__m128i *)&rx_pkts[3]->rearm_data);
> + sterr0 = _mm_and_si128(descs[0], ipsec_sterr_msk);
> + sterr1 = _mm_and_si128(descs[1], ipsec_sterr_msk);
> + sterr2 = _mm_and_si128(descs[2], ipsec_sterr_msk);
> + sterr3 = _mm_and_si128(descs[3], ipsec_sterr_msk);
> + tmp1 = _mm_cmpeq_epi32(sterr0, ipsec_sterr_msk);
> + tmp2 = _mm_cmpeq_epi32(sterr0, ipsec_proc_msk);
> + tmp3 = _mm_cmpeq_epi32(sterr1, ipsec_sterr_msk);
> + tmp4 = _mm_cmpeq_epi32(sterr1, ipsec_proc_msk);
> + sterr0 = _mm_or_si128(_mm_and_si128(tmp1, ipsec_err_flag),
> + _mm_and_si128(tmp2, ipsec_proc_flag));
> + sterr1 = _mm_or_si128(_mm_and_si128(tmp3, ipsec_err_flag),
> + _mm_and_si128(tmp4, ipsec_proc_flag));
> + tmp1 = _mm_cmpeq_epi32(sterr2, ipsec_sterr_msk);
> + tmp2 = _mm_cmpeq_epi32(sterr2, ipsec_proc_msk);
> + tmp3 = _mm_cmpeq_epi32(sterr3, ipsec_sterr_msk);
> + tmp4 = _mm_cmpeq_epi32(sterr3, ipsec_proc_msk);
> + sterr2 = _mm_or_si128(_mm_and_si128(tmp1, ipsec_err_flag),
> + _mm_and_si128(tmp2, ipsec_proc_flag));
> + sterr3 = _mm_or_si128(_mm_and_si128(tmp3, ipsec_err_flag),
> + _mm_and_si128(tmp4, ipsec_proc_flag));
> + rearm0 = _mm_or_si128(rearm0, sterr0);
> + rearm1 = _mm_or_si128(rearm1, sterr1);
> + rearm2 = _mm_or_si128(rearm2, sterr2);
> + rearm3 = _mm_or_si128(rearm3, sterr3);
> + _mm_store_si128((__m128i *)&rx_pkts[0]->rearm_data, rearm0);
> + _mm_store_si128((__m128i *)&rx_pkts[1]->rearm_data, rearm1);
> + _mm_store_si128((__m128i *)&rx_pkts[2]->rearm_data, rearm2);
> + _mm_store_si128((__m128i *)&rx_pkts[3]->rearm_data, rearm3);
> +}
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c: In function desc_to_olflags_v_ipsec:
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:140:2: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
rearm = _mm_set_epi32(((uint32_t *)rx_pkts[0]->rearm_data)[2],
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:141:10: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[1]->rearm_data)[2],
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:142:10: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[2]->rearm_data)[2],
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:143:10: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[3]->rearm_data)[2]);
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:154:2: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[0]->rearm_data)[2] = _mm_extract_epi32(rearm, 3);
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:155:2: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[1]->rearm_data)[2] = _mm_extract_epi32(rearm, 2);
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:156:2: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[2]->rearm_data)[2] = _mm_extract_epi32(rearm, 1);
^
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c:157:2: error:
dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing]
((uint32_t *)rx_pkts[3]->rearm_data)[2] = _mm_extract_epi32(rearm, 0);
^
next prev parent reply other threads:[~2017-11-01 19:58 UTC|newest]
Thread overview: 195+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-14 8:26 [PATCH 00/11] introduce security offload library Akhil Goyal
2017-09-14 8:26 ` [PATCH 01/11] lib/rte_security: add security library Akhil Goyal
2017-09-15 5:32 ` Hemant Agrawal
2017-09-17 13:31 ` Boris Pismenny
2017-09-20 11:35 ` Akhil Goyal
2017-09-18 13:13 ` Jerin Jacob
2017-09-22 11:55 ` Radu Nicolau
2017-09-14 8:26 ` [PATCH 02/11] doc: add details of rte security Akhil Goyal
2017-09-18 11:13 ` Jerin Jacob
2017-09-20 10:59 ` Akhil Goyal
2017-09-18 15:38 ` Mcnamara, John
2017-09-20 11:00 ` Akhil Goyal
2017-09-14 8:26 ` [PATCH 03/11] cryptodev: extend cryptodev to support security APIs Akhil Goyal
2017-09-14 8:26 ` [PATCH 04/11] lib/librte_net: add ESP header to generic flow steering Akhil Goyal
2017-09-15 4:51 ` Hemant Agrawal
2017-09-17 7:19 ` Boris Pismenny
2017-09-14 8:26 ` [PATCH 05/11] lib/librte_mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-09-18 7:54 ` Boris Pismenny
2017-09-20 9:43 ` Olivier MATZ
2017-09-26 10:19 ` Boris Pismenny
2017-09-14 8:26 ` [PATCH 06/11] ethdev: extend ethdev to support security APIs Akhil Goyal
2017-09-17 13:45 ` Shahaf Shuler
2017-09-22 11:42 ` Radu Nicolau
2017-09-18 7:57 ` Jerin Jacob
2017-09-22 11:49 ` Radu Nicolau
2017-09-14 8:26 ` [PATCH 07/11] ethdev: add rte flow action for crypto Akhil Goyal
2017-09-21 9:16 ` Jerin Jacob
2017-09-21 16:53 ` Boris Pismenny
2017-09-14 8:26 ` [PATCH 08/11] mk: add rte security into build system Akhil Goyal
2017-09-14 8:26 ` [PATCH 09/11] net/ixgbe: enable inline ipsec Akhil Goyal
2017-09-15 4:48 ` Hemant Agrawal
2017-09-15 13:14 ` Doherty, Declan
2017-09-14 8:26 ` [PATCH 10/11] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-09-14 8:26 ` [PATCH 11/11] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-03 13:14 ` [PATCH v2 00/12] introduce security offload library Akhil Goyal
2017-10-03 13:14 ` [PATCH v2 01/12] lib/rte_security: add security library Akhil Goyal
2017-10-05 15:32 ` De Lara Guarch, Pablo
2017-10-05 16:30 ` Ananyev, Konstantin
2017-10-06 18:11 ` Akhil Goyal
2017-10-09 13:42 ` Ananyev, Konstantin
2017-10-10 12:17 ` Akhil Goyal
2017-10-11 9:02 ` Ananyev, Konstantin
2017-10-03 13:14 ` [PATCH v2 02/12] doc: add details of rte security Akhil Goyal
2017-10-03 15:56 ` Mcnamara, John
2017-10-03 13:14 ` [PATCH v2 03/12] cryptodev: extend cryptodev to support security APIs Akhil Goyal
2017-10-05 8:49 ` De Lara Guarch, Pablo
2017-10-03 13:14 ` [PATCH v2 04/12] lib/librte_net: add ESP header to generic flow steering Akhil Goyal
2017-10-03 13:14 ` [PATCH v2 05/12] lib/librte_mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-10-05 8:54 ` De Lara Guarch, Pablo
2017-10-03 13:14 ` [PATCH v2 06/12] ethdev: extend ethdev to support security APIs Akhil Goyal
2017-10-04 10:52 ` Shahaf Shuler
2017-10-06 16:31 ` Radu Nicolau
2017-10-05 18:01 ` Ananyev, Konstantin
2017-10-03 13:14 ` [PATCH v2 07/12] ethdev: add rte flow action for crypto Akhil Goyal
2017-10-03 13:14 ` [PATCH v2 08/12] doc: add details of rte_flow security actions Akhil Goyal
2017-10-03 15:38 ` Mcnamara, John
2017-10-03 15:39 ` Mcnamara, John
2017-10-05 15:34 ` De Lara Guarch, Pablo
2017-10-03 13:14 ` [PATCH v2 09/12] mk: add rte security into build system Akhil Goyal
2017-10-03 13:14 ` [PATCH v2 10/12] net/ixgbe: enable inline ipsec Akhil Goyal
2017-10-05 17:55 ` Ananyev, Konstantin
2017-10-06 9:17 ` Radu Nicolau
2017-10-06 18:33 ` Ananyev, Konstantin
2017-10-10 16:10 ` Radu Nicolau
2017-10-03 13:14 ` [PATCH v2 11/12] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-10-05 9:13 ` De Lara Guarch, Pablo
2017-10-03 13:14 ` [PATCH v2 12/12] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 00/12] introduce security offload library Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 01/12] lib/rte_security: add security library Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 02/12] doc: add details of rte security Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 03/12] cryptodev: support security APIs Akhil Goyal
2017-10-10 13:43 ` De Lara Guarch, Pablo
2017-10-21 15:22 ` Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 04/12] net: add ESP header to generic flow steering Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 05/12] mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 06/12] ethdev: support security APIs Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 07/12] ethdev: add rte flow action for crypto Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 08/12] doc: add details of rte_flow security actions Akhil Goyal
2017-10-12 13:41 ` Mcnamara, John
2017-10-06 18:11 ` [PATCH v3 09/12] mk: add rte security into build system Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 10/12] net/ixgbe: enable inline ipsec Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 11/12] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-10-06 18:11 ` [PATCH v3 12/12] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-09 13:49 ` [PATCH v3 00/12] introduce security offload library Ananyev, Konstantin
2017-10-10 12:22 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 " Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 01/12] lib/rte_security: add security library Akhil Goyal
2017-10-15 12:47 ` Aviad Yehezkel
2017-10-19 9:30 ` Ananyev, Konstantin
2017-10-21 15:54 ` Akhil Goyal
2017-10-20 9:37 ` Thomas Monjalon
2017-10-20 9:39 ` Thomas Monjalon
2017-10-21 19:46 ` Akhil Goyal
2017-10-21 19:45 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 02/12] doc: add details of rte security Akhil Goyal
2017-10-15 12:47 ` Aviad Yehezkel
2017-10-20 9:41 ` Thomas Monjalon
2017-10-21 19:48 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 03/12] cryptodev: support security APIs Akhil Goyal
2017-10-15 12:48 ` Aviad Yehezkel
2017-10-14 22:17 ` [PATCH v4 04/12] net: add ESP header to generic flow steering Akhil Goyal
2017-10-15 12:48 ` Aviad Yehezkel
2017-10-20 10:15 ` Thomas Monjalon
2017-10-21 19:49 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 05/12] mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-10-15 12:49 ` Aviad Yehezkel
2017-10-14 22:17 ` [PATCH v4 06/12] ethdev: support security APIs Akhil Goyal
2017-10-15 12:49 ` Aviad Yehezkel
2017-10-15 13:13 ` Shahaf Shuler
2017-10-16 8:46 ` Nicolau, Radu
2017-10-19 9:23 ` Ananyev, Konstantin
2017-10-21 16:00 ` Akhil Goyal
2017-10-23 9:56 ` Ananyev, Konstantin
2017-10-23 13:08 ` Nicolau, Radu
2017-10-20 10:58 ` Thomas Monjalon
2017-10-21 19:50 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 07/12] ethdev: add rte flow action for crypto Akhil Goyal
2017-10-15 12:49 ` Aviad Yehezkel
2017-10-14 22:17 ` [PATCH v4 08/12] doc: add details of rte_flow security actions Akhil Goyal
2017-10-15 12:50 ` Aviad Yehezkel
2017-10-16 19:17 ` Mcnamara, John
2017-10-20 11:00 ` Thomas Monjalon
2017-10-21 19:50 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 09/12] mk: add rte security into build system Akhil Goyal
2017-10-15 12:50 ` Aviad Yehezkel
2017-10-20 11:06 ` Thomas Monjalon
2017-10-21 19:44 ` Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 10/12] net/ixgbe: enable inline ipsec Akhil Goyal
2017-10-15 12:51 ` Aviad Yehezkel
2017-10-16 10:41 ` Thomas Monjalon
2017-10-18 21:29 ` Ananyev, Konstantin
2017-10-19 10:51 ` Radu Nicolau
2017-10-19 11:04 ` Ananyev, Konstantin
2017-10-19 11:57 ` Nicolau, Radu
2017-10-19 12:16 ` Ananyev, Konstantin
2017-10-19 12:29 ` Ananyev, Konstantin
2017-10-19 13:14 ` Radu Nicolau
2017-10-19 13:22 ` Ananyev, Konstantin
2017-10-19 14:19 ` Nicolau, Radu
2017-10-19 14:36 ` Ananyev, Konstantin
2017-10-19 13:09 ` Radu Nicolau
2017-10-19 9:04 ` Ananyev, Konstantin
2017-10-14 22:17 ` [PATCH v4 11/12] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-10-14 22:17 ` [PATCH v4 12/12] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-15 12:51 ` Aviad Yehezkel
2017-10-16 10:44 ` [PATCH v4 00/12] introduce security offload library Thomas Monjalon
2017-10-20 9:32 ` Thomas Monjalon
2017-10-21 16:13 ` Akhil Goyal
2017-10-22 20:37 ` Akhil Goyal
2017-10-22 20:59 ` Thomas Monjalon
2017-10-23 11:44 ` Aviad Yehezkel
2017-10-24 9:41 ` Akhil Goyal
2017-10-24 9:52 ` Thomas Monjalon
2017-10-24 14:27 ` Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 00/11] " Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 01/11] lib/rte_security: add security library Akhil Goyal
2017-10-24 15:15 ` De Lara Guarch, Pablo
2017-10-25 11:06 ` Akhil Goyal
2017-10-24 20:47 ` Thomas Monjalon
2017-10-25 11:08 ` Akhil Goyal
2017-10-25 5:13 ` Hemant Agrawal
2017-10-24 14:15 ` [PATCH v5 02/11] doc: add details of rte security Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 03/11] cryptodev: support security APIs Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 04/11] net: add ESP header to generic flow steering Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 05/11] mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-10-25 9:38 ` Olivier MATZ
2017-10-25 12:05 ` Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 06/11] ethdev: support security APIs Akhil Goyal
2017-10-25 5:05 ` Hemant Agrawal
2017-10-25 7:01 ` Shahaf Shuler
2017-10-25 12:35 ` Aviad Yehezkel
2017-10-24 14:15 ` [PATCH v5 07/11] ethdev: add rte flow action for crypto Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 08/11] mk: add rte security into build system Akhil Goyal
2017-10-24 20:48 ` Thomas Monjalon
2017-10-25 11:12 ` Akhil Goyal
2017-10-25 5:04 ` Hemant Agrawal
2017-10-24 14:15 ` [PATCH v5 09/11] net/ixgbe: enable inline ipsec Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 10/11] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-10-24 14:15 ` [PATCH v5 11/11] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 00/10] introduce security offload library Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 01/10] cryptodev: support security APIs Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 02/10] net: add ESP header to generic flow steering Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 03/10] mbuf: add security crypto flags and mbuf fields Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 04/10] ethdev: support security APIs Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 05/10] ethdev: add rte flow action for crypto Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 06/10] security: introduce security API and framework Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 07/10] doc: add details of rte security Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 08/10] net/ixgbe: enable inline ipsec Akhil Goyal
2017-10-26 7:09 ` David Marchand
2017-10-26 7:19 ` David Marchand
2017-11-01 19:58 ` Thomas Monjalon [this message]
2017-11-01 20:10 ` Ferruh Yigit
2017-10-25 15:07 ` [PATCH v6 09/10] crypto/dpaa2_sec: add support for protocol offload ipsec Akhil Goyal
2017-10-25 15:07 ` [PATCH v6 10/10] examples/ipsec-secgw: add support for security offload Akhil Goyal
2017-10-26 1:16 ` [PATCH v6 00/10] introduce security offload library Thomas Monjalon
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=3001236.PBxM8AWuc0@xps \
--to=thomas@monjalon.net \
--cc=akhil.goyal@nxp.com \
--cc=aviadye@mellanox.com \
--cc=borisp@mellanox.com \
--cc=declan.doherty@intel.com \
--cc=dev@dpdk.org \
--cc=hemant.agrawal@nxp.com \
--cc=jerin.jacob@caviumnetworks.com \
--cc=john.mcnamara@intel.com \
--cc=konstantin.ananyev@intel.com \
--cc=olivier.matz@6wind.com \
--cc=pablo.de.lara.guarch@intel.com \
--cc=radu.nicolau@intel.com \
--cc=sandeep.malik@nxp.com \
--cc=shahafs@mellanox.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.