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From: Kevin Wolf <kwolf@redhat.com>
To: Daniel Henrique Barboza <danielhb413@gmail.com>
Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org, minyard@acm.org
Subject: Re: [PATCH v1 00/59] trivial unneeded labels cleanup
Date: Tue, 7 Jan 2020 07:16:13 +0100	[thread overview]
Message-ID: <20200107061613.GB4076@linux.fritz.box> (raw)
In-Reply-To: <f71eb524-571b-54d1-1a99-95d2896f6586@gmail.com>

Am 06.01.2020 um 21:35 hat Daniel Henrique Barboza geschrieben:
> 
> 
> On 1/6/20 4:54 PM, Corey Minyard wrote:
> > On Mon, Jan 06, 2020 at 03:23:26PM -0300, Daniel Henrique Barboza wrote:
> > > Hello,
> [...]
> > > 
> > > Which is cleaner and requires less brain cycles to wonder
> > > whether the 'cleanup' label does anything special, such
> > > as a heap memory cleanup.
> > 
> > I would disagree with this analysis.  To me, I often wonder
> > when I have to add cleanup code to a routine whether there is
> > some hidden return in the middle of the function.  That's a lot
> > harder to spot than just looking for the cleanup label at the
> > end of the function to see what it does.  For non-trivial
> > functions I prefer to have one point of return at the end
> > (and maybe some minor checks with returns right at the beginning).
> > I'm not adamant about this, just my opinion.

It depends on the case, but yes, I had similar thoughts, at least when
we're talking about non-trivial parts of a function. (Very short
functions of just some initial checks returning directly are usually
fine.)

> I agree that what I'm doing here isn't a one rule fits all situation. This
> is why I didn't purge all the 'unused' labels I found. The criteria used to
> remove/spare labels will differ from person to person (although I believe that
> cases such as patch 15 isn't too much of a debate), thus I'd rather leave to
> each maintainer to accept/deny the changes based on the context of the code.

So what is your plan for getting the series merged? Should maintainers
just picks patches from the series, or do you want to collect Acked-by
tags and then merge it through a single tree? If the latter, which one?

Kevin



  reply	other threads:[~2020-01-07  6:21 UTC|newest]

Thread overview: 113+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-06 18:23 [PATCH v1 00/59] trivial unneeded labels cleanup Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 01/59] spapr.c: remove 'out' label in spapr_dt_cas_updates() Daniel Henrique Barboza
2020-01-06 23:44   ` David Gibson
2020-01-06 18:23 ` [PATCH v1 02/59] ppc440_bamboo.c: remove label from bamboo_load_device_tree() Daniel Henrique Barboza
2020-01-06 23:45   ` David Gibson
2020-01-06 18:23 ` [PATCH v1 03/59] kvm-all.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 04/59] paaudio.c: " Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 05/59] ram.c: " Daniel Henrique Barboza
2020-01-06 18:57   ` Dr. David Alan Gilbert
2020-01-06 23:38   ` Juan Quintela
2020-01-08 12:41   ` Juan Quintela
2020-01-06 18:23 ` [PATCH v1 06/59] mips-semi.c: remove 'uhi_done' label in helper_do_semihosting() Daniel Henrique Barboza
2020-01-09 20:41   ` Aleksandar Markovic
2020-01-24 17:22   ` Aleksandar Markovic
2020-01-06 18:23 ` [PATCH v1 07/59] unicore32/softmmu.c: remove 'do_fault' label in get_phys_addr_ucv2() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 08/59] chardev/char-mux.c: remove 'send_char' label Daniel Henrique Barboza
2020-01-06 19:02   ` Marc-André Lureau
2020-01-06 18:23 ` [PATCH v1 09/59] chardev/char-pipe.c: remove 'fail' label in win_chr_pipe_init() Daniel Henrique Barboza
2020-01-06 19:01   ` Marc-André Lureau
2020-01-06 18:23 ` [PATCH v1 10/59] chardev/char-win.c: remove 'fail' label in win_chr_serial_init() Daniel Henrique Barboza
2020-01-06 19:01   ` Marc-André Lureau
2020-01-07  6:52   ` Philippe Mathieu-Daudé
2020-01-06 18:23 ` [PATCH v1 11/59] exec.c: remove 'err' label in ram_block_discard_range() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 12/59] virtfs-proxy-helper.c: remove 'err_out' label in setugid() Daniel Henrique Barboza
2020-01-07  9:51   ` Greg Kurz
2020-01-13 15:15     ` Markus Armbruster
2020-01-13 16:32       ` Laurent Vivier
2020-01-13 19:56         ` Greg Kurz
2020-01-14  7:55         ` Markus Armbruster
2020-01-06 18:23 ` [PATCH v1 13/59] block/vdi.c: remove 'fail' label in vdi_open() Daniel Henrique Barboza
2020-01-06 21:04   ` Stefan Weil
2020-01-06 18:23 ` [PATCH v1 14/59] block/file-posix.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 15/59] block/blkreplay.c: remove unneeded 'fail' label in blkreplay_open() Daniel Henrique Barboza
2020-01-10  6:07   ` Pavel Dovgalyuk
2020-01-06 18:23 ` [PATCH v1 16/59] block/gluster.c: remove unneeded 'exit' label Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 17/59] block/dmg.c: remove unneeded 'fail' label in dmg_read_mish_block() Daniel Henrique Barboza
2020-01-07 16:54   ` Stefan Hajnoczi
2020-01-06 18:23 ` [PATCH v1 18/59] qcow2-refcount.c: remove unneeded 'fail' label in qcow2_refcount_init() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 19/59] block/ssh.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:37   ` Richard W.M. Jones
2020-01-06 18:23 ` [PATCH v1 20/59] block/vpc.c: remove unneeded 'fail' label in create_dynamic_disk() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 21/59] block/backup.c remove unneeded 'out' label in backup_run() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 22/59] block/vmdk.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 23/59] block/vxhs.c: remove unneeded 'out' label in vxhs_iio_callback() Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 24/59] block/vhdx-log.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 25/59] block/vhdx.c: remove unneeded 'exit' labels Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 26/59] block/replication.c: remove unneeded label in replication_co_writev Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 27/59] crypto/block-luks.c: remove unneeded label in qcrypto_block_luks_find_key Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 28/59] qga/commands-win32.c: remove 'out' label in get_pci_info Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 29/59] cryptodev-vhost.c: remove unneeded 'err' label in cryptodev_vhost_start Daniel Henrique Barboza
2020-01-07  6:53   ` Philippe Mathieu-Daudé
2020-01-07  8:18   ` Gonglei (Arei)
2020-01-06 18:23 ` [PATCH v1 30/59] util/module.c: remove unneeded label in module_load_file() Daniel Henrique Barboza
2020-01-07 11:26   ` Thomas Huth
2020-01-06 18:23 ` [PATCH v1 31/59] util/aio-posix.c: remove unneeded 'out' label in aio_epoll Daniel Henrique Barboza
2020-01-07 13:34   ` Thomas Huth
2020-01-06 18:23 ` [PATCH v1 32/59] qemu-img.c: remove 'out4' label in img_compare Daniel Henrique Barboza
2020-01-06 18:23 ` [PATCH v1 33/59] ipmi/ipmi_bmc_sim.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 34/59] ipmi/ipmi_bt.c: remove unneeded label in ipmi_bt_handle_event Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 35/59] ipmi_bmc_extern.c: remove unneeded label in ipmi_bmc_extern_handle_command Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 36/59] ipmi/ipmi_kcs.c: remove unneeded label in ipmi_kcs_handle_event Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 37/59] s390x/event-facility.c: remove unneeded labels Daniel Henrique Barboza
2020-01-07 13:36   ` Thomas Huth
2020-01-08 12:46   ` Cornelia Huck
2020-01-08 14:15     ` Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 38/59] s390x/sclp.c: remove unneeded label in sclp_service_call() Daniel Henrique Barboza
2020-01-07 13:37   ` Thomas Huth
2020-01-08 13:16   ` Cornelia Huck
2020-01-06 18:24 ` [PATCH v1 39/59] usb/dev-mtp.c: remove unneeded label in write_retry() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 40/59] hsb/hcd-ehci.c: remove unneeded labels Daniel Henrique Barboza
2020-01-13 15:17   ` Markus Armbruster
2020-01-06 18:24 ` [PATCH v1 41/59] intc/s390_flic_kvm.c: remove unneeded label in kvm_flic_load() Daniel Henrique Barboza
2020-01-08 13:00   ` Cornelia Huck
2020-01-13 16:51     ` Cornelia Huck
2020-01-13 16:06   ` Thomas Huth
2020-01-06 18:24 ` [PATCH v1 42/59] i386/intel_iommu.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 43/59] i386/amd_iommu.c: remove unneeded label in amdvi_int_remap_msi() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 44/59] 9p-local.c: remove unneeded label in local_unlinkat_common() Daniel Henrique Barboza
2020-01-07 12:04   ` Christian Schoenebeck
2020-01-07 13:58     ` Greg Kurz
2020-01-07 13:53   ` Greg Kurz
2020-01-07 14:16     ` Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 45/59] 9pfs/9p.c: remove unneeded labels Daniel Henrique Barboza
2020-01-07 12:14   ` Christian Schoenebeck
2020-01-08 14:08     ` Greg Kurz
2020-01-06 18:24 ` [PATCH v1 46/59] alpha/typhoon.c: remove unneeded label in typhoon_translate_iommu() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 47/59] pvrdma_main.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 48/59] pvrdma_dev_ring.c: remove unneeded label in pvrdma_ring_init() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 49/59] rdma/rdma_rm.c: remove unneeded label in rdma_rm_alloc_pd() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 50/59] rdma/rdma_backend.c: remove unneeded label in rdma_backend_init() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 51/59] virtio/vhost.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 52/59] net/vhost_net.c: " Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 53/59] net/net_tx_pkt.c: remove unneeded label in net_tx_pkt_get_gso_type() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 54/59] ivshmem-server/main.c: remove unneeded label in main() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 55/59] linux-user/flatload.c: remove unused 'out' label Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 56/59] linux-user/signal.c: remove unneeded label in do_sigaltstack() Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 57/59] linux-user/syscall.c: fix trailing whitespaces and style Daniel Henrique Barboza
2020-01-07  6:57   ` Philippe Mathieu-Daudé
2020-01-07 10:37   ` Peter Maydell
2020-01-06 18:24 ` [PATCH v1 58/59] linux-user/syscall.c: remove unneeded labels Daniel Henrique Barboza
2020-01-06 18:24 ` [PATCH v1 59/59] linux-user/vm86.c: remove unneeded label in do_vm86() Daniel Henrique Barboza
2020-01-06 19:54 ` [PATCH v1 00/59] trivial unneeded labels cleanup Corey Minyard
2020-01-06 20:35   ` Daniel Henrique Barboza
2020-01-07  6:16     ` Kevin Wolf [this message]
2020-01-07  7:06       ` Philippe Mathieu-Daudé
2020-01-09 19:19         ` Daniel Henrique Barboza
2020-01-07 11:52       ` Daniel Henrique Barboza
2020-01-07 12:21         ` Kevin Wolf
2020-01-13 15:26   ` Markus Armbruster
2020-01-07  9:43 ` Max Reitz
2020-01-09 20:16   ` Daniel Henrique Barboza
2020-01-10 19:05 ` Eric Blake
2020-01-10 20:31   ` Daniel Henrique Barboza

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