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[88.21.205.47]) by smtp.gmail.com with ESMTPSA id c23sm4561228wme.39.2020.03.04.17.04.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 17:04:53 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/3] hw/net/e1000: Add readops/writeops typedefs Date: Thu, 5 Mar 2020 02:04:44 +0100 Message-Id: <20200305010446.17029-2-philmd@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200305010446.17029-1-philmd@redhat.com> References: <20200305010446.17029-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Fleytman , qemu-trivial@nongnu.org, Jason Wang , Christian Schoenebeck , Greg Kurz , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Express the macreg[] arrays using typedefs. No logical changes introduced here. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Dmitry Fleytman --- hw/net/e1000.c | 6 ++++-- hw/net/e1000e_core.c | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 0b833d5a15..972d9b5083 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -1150,7 +1150,8 @@ set_ims(E1000State *s, int index, uint32_t val) } #define getreg(x) [x] = mac_readreg -static uint32_t (*macreg_readops[])(E1000State *, int) = { +typedef uint32_t (*readops)(E1000State *, int); +static readops macreg_readops[] = { getreg(PBA), getreg(RCTL), getreg(TDH), getreg(TXDCTL), getreg(WUFC), getreg(TDT), getreg(CTRL), getreg(LEDCTL), getreg(MANC), getreg(MDIC), getreg(SWSM), getreg(STATUS), @@ -1205,7 +1206,8 @@ static uint32_t (*macreg_readops[])(E1000State *, int) = { enum { NREADOPS = ARRAY_SIZE(macreg_readops) }; #define putreg(x) [x] = mac_writereg -static void (*macreg_writeops[])(E1000State *, int, uint32_t) = { +typedef void (*writeops)(E1000State *, int, uint32_t); +static writeops macreg_writeops[] = { putreg(PBA), putreg(EERD), putreg(SWSM), putreg(WUFC), putreg(TDBAL), putreg(TDBAH), putreg(TXDCTL), putreg(RDBAH), putreg(RDBAL), putreg(LEDCTL), putreg(VET), putreg(FCRUC), diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index 94ea34dca5..38bdb90114 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -2855,7 +2855,8 @@ e1000e_set_gcr(E1000ECore *core, int index, uint32_t val) } #define e1000e_getreg(x) [x] = e1000e_mac_readreg -static uint32_t (*e1000e_macreg_readops[])(E1000ECore *, int) = { +typedef uint32_t (*readops)(E1000ECore *, int); +static readops e1000e_macreg_readops[] = { e1000e_getreg(PBA), e1000e_getreg(WUFC), e1000e_getreg(MANC), @@ -3061,7 +3062,8 @@ static uint32_t (*e1000e_macreg_readops[])(E1000ECore *, int) = { enum { E1000E_NREADOPS = ARRAY_SIZE(e1000e_macreg_readops) }; #define e1000e_putreg(x) [x] = e1000e_mac_writereg -static void (*e1000e_macreg_writeops[])(E1000ECore *, int, uint32_t) = { +typedef void (*writeops)(E1000ECore *, int, uint32_t); +static writeops e1000e_macreg_writeops[] = { e1000e_putreg(PBA), e1000e_putreg(SWSM), e1000e_putreg(WUFC), From patchwork Thu Mar 5 01:04:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 11421007 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6C5B01395 for ; Thu, 5 Mar 2020 01:07:17 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 42B7C2084E for ; Thu, 5 Mar 2020 01:07:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="KdNLQCu9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 42B7C2084E Authentication-Results: mail.kernel.org; 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[88.21.205.47]) by smtp.gmail.com with ESMTPSA id p17sm39232183wre.89.2020.03.04.17.04.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 17:04:59 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/3] hw/net/e1000: Move macreg[] arrays to .rodata to save 1MiB of .data Date: Thu, 5 Mar 2020 02:04:45 +0100 Message-Id: <20200305010446.17029-3-philmd@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200305010446.17029-1-philmd@redhat.com> References: <20200305010446.17029-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Fleytman , qemu-trivial@nongnu.org, Jason Wang , Christian Schoenebeck , Greg Kurz , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Each array consumes 256KiB of .data. As we do not reassign entries, we can move it to the .rodata section, and save a total of 1MiB of .data (size reported on x86_64 host). Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Dmitry Fleytman --- hw/net/e1000.c | 4 ++-- hw/net/e1000e_core.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 972d9b5083..9233248c9a 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -1151,7 +1151,7 @@ set_ims(E1000State *s, int index, uint32_t val) #define getreg(x) [x] = mac_readreg typedef uint32_t (*readops)(E1000State *, int); -static readops macreg_readops[] = { +static const readops macreg_readops[] = { getreg(PBA), getreg(RCTL), getreg(TDH), getreg(TXDCTL), getreg(WUFC), getreg(TDT), getreg(CTRL), getreg(LEDCTL), getreg(MANC), getreg(MDIC), getreg(SWSM), getreg(STATUS), @@ -1207,7 +1207,7 @@ enum { NREADOPS = ARRAY_SIZE(macreg_readops) }; #define putreg(x) [x] = mac_writereg typedef void (*writeops)(E1000State *, int, uint32_t); -static writeops macreg_writeops[] = { +static const writeops macreg_writeops[] = { putreg(PBA), putreg(EERD), putreg(SWSM), putreg(WUFC), putreg(TDBAL), putreg(TDBAH), putreg(TXDCTL), putreg(RDBAH), putreg(RDBAL), putreg(LEDCTL), putreg(VET), putreg(FCRUC), diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index 38bdb90114..df957e0c1a 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -2856,7 +2856,7 @@ e1000e_set_gcr(E1000ECore *core, int index, uint32_t val) #define e1000e_getreg(x) [x] = e1000e_mac_readreg typedef uint32_t (*readops)(E1000ECore *, int); -static readops e1000e_macreg_readops[] = { +static const readops e1000e_macreg_readops[] = { e1000e_getreg(PBA), e1000e_getreg(WUFC), e1000e_getreg(MANC), @@ -3063,7 +3063,7 @@ enum { E1000E_NREADOPS = ARRAY_SIZE(e1000e_macreg_readops) }; #define e1000e_putreg(x) [x] = e1000e_mac_writereg typedef void (*writeops)(E1000ECore *, int, uint32_t); -static writeops e1000e_macreg_writeops[] = { +static const writeops e1000e_macreg_writeops[] = { e1000e_putreg(PBA), e1000e_putreg(SWSM), e1000e_putreg(WUFC), From patchwork Thu Mar 5 01:04:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 11421005 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D26E11395 for ; Thu, 5 Mar 2020 01:06:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A964520842 for ; 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[88.21.205.47]) by smtp.gmail.com with ESMTPSA id g7sm39625648wrm.72.2020.03.04.17.05.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 17:05:04 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 3/3] virtfs-proxy-helper: Make the helper_opts[] array const Date: Thu, 5 Mar 2020 02:04:46 +0100 Message-Id: <20200305010446.17029-4-philmd@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200305010446.17029-1-philmd@redhat.com> References: <20200305010446.17029-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Fleytman , qemu-trivial@nongnu.org, Jason Wang , Christian Schoenebeck , Greg Kurz , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Reduce a bit the memory footprint by making the helper_opts[] array const. Signed-off-by: Philippe Mathieu-Daudé Acked-by: Greg Kurz --- fsdev/virtfs-proxy-helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c index aa1ab2590d..de061a8a0e 100644 --- a/fsdev/virtfs-proxy-helper.c +++ b/fsdev/virtfs-proxy-helper.c @@ -43,7 +43,7 @@ #define BTRFS_SUPER_MAGIC 0x9123683E #endif -static struct option helper_opts[] = { +static const struct option helper_opts[] = { {"fd", required_argument, NULL, 'f'}, {"path", required_argument, NULL, 'p'}, {"nodaemon", no_argument, NULL, 'n'},