From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: David Gibson <david@gibson.dropbear.id.au>,
qemu-ppc@nongnu.org, clg@kaod.org, qemu-devel@nongnu.org
Cc: "Jason Wang" <jasowang@redhat.com>,
"Riku Voipio" <riku.voipio@iki.fi>,
"Laurent Vivier" <laurent@vivier.eu>,
groug@kaod.org, "Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>
Subject: Re: [PATCH 17/20] spapr: Remove unused return value in claim path
Date: Thu, 26 Sep 2019 09:13:24 +0200 [thread overview]
Message-ID: <a2a1906e-a3f0-6c7a-f418-6e0a5b5a3425@redhat.com> (raw)
In-Reply-To: <20190925064534.19155-18-david@gibson.dropbear.id.au>
On 9/25/19 8:45 AM, David Gibson wrote:
> spapr_irq_claim() and the hooks it is based on return an integer error code
> as well as taking an Error ** parameter. But none of the callers check the
> integer, so we can remove it and just use the richer Error **.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> hw/ppc/spapr_irq.c | 32 +++++++++++++-------------------
> include/hw/ppc/spapr_irq.h | 4 ++--
> 2 files changed, 15 insertions(+), 21 deletions(-)
>
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index 261d66ba17..2673a90604 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -112,8 +112,8 @@ static void spapr_irq_init_xics(SpaprMachineState *spapr, Error **errp)
> spapr->ics = ICS_SPAPR(obj);
> }
>
> -static int spapr_irq_claim_xics(SpaprMachineState *spapr, int irq, bool lsi,
> - Error **errp)
> +static void spapr_irq_claim_xics(SpaprMachineState *spapr, int irq, bool lsi,
> + Error **errp)
> {
> ICSState *ics = spapr->ics;
>
> @@ -122,11 +122,10 @@ static int spapr_irq_claim_xics(SpaprMachineState *spapr, int irq, bool lsi,
>
> if (!ics_irq_free(ics, irq - ics->offset)) {
> error_setg(errp, "IRQ %d is not free", irq);
> - return -1;
> + return;
> }
>
> ics_set_irq_type(ics, irq - ics->offset, lsi);
> - return 0;
> }
>
> static void spapr_irq_free_xics(SpaprMachineState *spapr, int irq)
> @@ -252,14 +251,12 @@ static void spapr_irq_init_xive(SpaprMachineState *spapr, Error **errp)
> spapr_xive_hcall_init(spapr);
> }
>
> -static int spapr_irq_claim_xive(SpaprMachineState *spapr, int irq, bool lsi,
> - Error **errp)
> +static void spapr_irq_claim_xive(SpaprMachineState *spapr, int irq, bool lsi,
> + Error **errp)
> {
> if (!spapr_xive_irq_claim(spapr->xive, irq, lsi)) {
> error_setg(errp, "IRQ %d is invalid", irq);
> - return -1;
> }
> - return 0;
> }
>
> static void spapr_irq_free_xive(SpaprMachineState *spapr, int irq)
> @@ -406,25 +403,22 @@ static void spapr_irq_init_dual(SpaprMachineState *spapr, Error **errp)
> }
> }
>
> -static int spapr_irq_claim_dual(SpaprMachineState *spapr, int irq, bool lsi,
> - Error **errp)
> +static void spapr_irq_claim_dual(SpaprMachineState *spapr, int irq, bool lsi,
> + Error **errp)
> {
> Error *local_err = NULL;
> - int ret;
>
> - ret = spapr_irq_xics.claim(spapr, irq, lsi, &local_err);
> + spapr_irq_xics.claim(spapr, irq, lsi, &local_err);
> if (local_err) {
> error_propagate(errp, local_err);
> - return ret;
> + return;
> }
>
> - ret = spapr_irq_xive.claim(spapr, irq, lsi, &local_err);
> + spapr_irq_xive.claim(spapr, irq, lsi, &local_err);
> if (local_err) {
> error_propagate(errp, local_err);
> - return ret;
> + return;
> }
> -
> - return ret;
> }
>
> static void spapr_irq_free_dual(SpaprMachineState *spapr, int irq)
> @@ -622,12 +616,12 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
> spapr->irq->nr_xirqs + SPAPR_XIRQ_BASE);
> }
>
> -int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp)
> +void spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp)
> {
> assert(irq >= SPAPR_XIRQ_BASE);
> assert(irq < (spapr->irq->nr_xirqs + SPAPR_XIRQ_BASE));
>
> - return spapr->irq->claim(spapr, irq, lsi, errp);
> + spapr->irq->claim(spapr, irq, lsi, errp);
> }
>
> void spapr_irq_free(SpaprMachineState *spapr, int irq, int num)
> diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
> index ed88b4599a..75279ca137 100644
> --- a/include/hw/ppc/spapr_irq.h
> +++ b/include/hw/ppc/spapr_irq.h
> @@ -42,7 +42,7 @@ typedef struct SpaprIrq {
> uint8_t ov5;
>
> void (*init)(SpaprMachineState *spapr, Error **errp);
> - int (*claim)(SpaprMachineState *spapr, int irq, bool lsi, Error **errp);
> + void (*claim)(SpaprMachineState *spapr, int irq, bool lsi, Error **errp);
> void (*free)(SpaprMachineState *spapr, int irq);
> void (*print_info)(SpaprMachineState *spapr, Monitor *mon);
> void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers,
> @@ -61,7 +61,7 @@ extern SpaprIrq spapr_irq_xive;
> extern SpaprIrq spapr_irq_dual;
>
> void spapr_irq_init(SpaprMachineState *spapr, Error **errp);
> -int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp);
> +void spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp);
> void spapr_irq_free(SpaprMachineState *spapr, int irq, int num);
> qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq);
> int spapr_irq_post_load(SpaprMachineState *spapr, int version_id);
>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
next prev parent reply other threads:[~2019-09-26 7:16 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 6:45 [PATCH 00/20] spapr: IRQ subsystem cleanups David Gibson
2019-09-25 6:45 ` [PATCH 01/20] xics: Use incomplete type for XICSFabric David Gibson
2019-09-25 6:55 ` Cédric Le Goater
2019-09-25 7:48 ` Greg Kurz
2019-09-25 7:45 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 02/20] xics: Eliminate 'reject', 'resend' and 'eoi' class hooks David Gibson
2019-09-25 6:45 ` [PATCH 03/20] xics: Rename misleading ics_simple_*() functions David Gibson
2019-09-25 6:45 ` [PATCH 04/20] xics: Eliminate reset hook David Gibson
2019-09-25 7:33 ` Cédric Le Goater
2019-09-25 7:59 ` Greg Kurz
2019-09-26 2:54 ` David Gibson
2019-09-25 6:45 ` [PATCH 05/20] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes David Gibson
2019-09-25 8:16 ` Greg Kurz
2019-09-25 8:31 ` Greg Kurz
2019-09-26 0:55 ` David Gibson
2019-09-26 0:52 ` David Gibson
2019-09-25 12:47 ` Cédric Le Goater
2019-09-25 6:45 ` [PATCH 06/20] xics: Create sPAPR specific ICS subtype David Gibson
2019-09-25 7:34 ` Cédric Le Goater
2019-09-25 8:40 ` Greg Kurz
2019-09-25 8:55 ` Cédric Le Goater
2019-09-25 9:07 ` Greg Kurz
2019-09-26 0:56 ` David Gibson
2019-09-26 7:09 ` Cédric Le Goater
2019-09-27 16:05 ` Greg Kurz
2019-09-30 8:45 ` David Gibson
2019-09-30 17:00 ` Greg Kurz
2019-10-01 1:45 ` David Gibson
2019-09-25 6:45 ` [PATCH 07/20] spapr: Fold spapr_phb_lsi_qirq() into its single caller David Gibson
2019-09-25 6:58 ` Cédric Le Goater
2019-09-25 8:56 ` Greg Kurz
2019-09-26 7:08 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 08/20] spapr: Replace spapr_vio_qirq() helper with spapr_vio_irq_pulse() helper David Gibson
2019-09-25 6:58 ` Cédric Le Goater
2019-09-25 8:57 ` Greg Kurz
2019-09-26 7:08 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 09/20] spapr: Clarify and fix handling of nr_irqs David Gibson
2019-09-25 7:05 ` Cédric Le Goater
2019-09-26 1:03 ` David Gibson
2019-09-26 7:02 ` Cédric Le Goater
2019-09-25 17:13 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 10/20] spapr: Eliminate nr_irqs parameter to SpaprIrq::init David Gibson
2019-09-25 7:06 ` Cédric Le Goater
2019-09-25 17:16 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 11/20] spapr: Fix indexing of XICS irqs David Gibson
2019-09-25 7:11 ` Cédric Le Goater
2019-09-25 20:17 ` Greg Kurz
2019-09-26 1:31 ` David Gibson
2019-09-26 7:21 ` Greg Kurz
2019-09-26 11:32 ` David Gibson
2019-09-26 14:44 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 12/20] spapr: Simplify spapr_qirq() handling David Gibson
2019-09-25 7:16 ` Cédric Le Goater
2019-09-25 20:30 ` Greg Kurz
2019-09-26 7:10 ` Philippe Mathieu-Daudé
2019-09-25 6:45 ` [PATCH 13/20] spapr: Eliminate SpaprIrq:get_nodename method David Gibson
2019-09-25 7:19 ` Cédric Le Goater
2019-09-26 7:11 ` Philippe Mathieu-Daudé
2019-09-26 7:48 ` Greg Kurz
2019-09-26 11:36 ` David Gibson
2019-09-25 6:45 ` [PATCH 14/20] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() David Gibson
2019-09-25 7:20 ` Cédric Le Goater
2019-09-26 7:11 ` Philippe Mathieu-Daudé
2019-09-26 7:50 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 15/20] spapr: Handle freeing of multiple irqs in frontend only David Gibson
2019-09-25 7:21 ` Cédric Le Goater
2019-09-26 7:52 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 16/20] spapr, xics, xive: Better use of assert()s on irq claim/free paths David Gibson
2019-09-25 7:22 ` Cédric Le Goater
2019-09-26 8:08 ` Greg Kurz
2019-09-26 11:39 ` David Gibson
2019-09-25 6:45 ` [PATCH 17/20] spapr: Remove unused return value in claim path David Gibson
2019-09-25 7:23 ` Cédric Le Goater
2019-09-26 7:13 ` Philippe Mathieu-Daudé [this message]
2019-09-26 8:36 ` Greg Kurz
2019-09-27 1:47 ` David Gibson
2019-09-25 6:45 ` [PATCH 18/20] xive: Improve irq claim/free path David Gibson
2019-09-25 7:25 ` Cédric Le Goater
2019-09-26 1:05 ` David Gibson
2019-09-25 6:45 ` [PATCH 19/20] spapr: Use less cryptic representation of which irq backends are supported David Gibson
2019-09-25 7:28 ` Cédric Le Goater
2019-09-26 9:16 ` Greg Kurz
2019-09-25 6:45 ` [PATCH 20/20] spapr: Eliminate SpaprIrq::init hook David Gibson
2019-09-25 7:31 ` Cédric Le Goater
2019-09-26 1:13 ` David Gibson
2019-09-26 7:05 ` Cédric Le Goater
2019-09-26 11:29 ` David Gibson
2019-09-26 15:35 ` Greg Kurz
2019-09-27 5:51 ` David Gibson
2019-09-27 6:23 ` Greg Kurz
2019-09-26 15:39 ` Greg Kurz
2019-09-27 14:12 ` Greg Kurz
2019-09-29 9:34 ` David Gibson
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