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Date: Tue, 27 Sep 2022 00:46:21 +0200
From: наб <nabijaczleweli@...ijaczleweli.xyz>
To: broonie@...nel.org
Cc: Greg KH <greg@...ah.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jonathan Corbet <corbet@....net>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>,
Manfred Spraul <manfred.spraul@...bosch.com>
Subject: Re: linux-next: manual merge of the driver-core tree with the
jc_docs tree
Hi!
On Mon, Sep 26, 2022 at 10:06:31PM +0100, broonie@...nel.org wrote:
> Today's linux-next merge of the driver-core tree got a conflict in:
>
> Documentation/process/magic-number.rst
>
> between commit:
>
> 32ba63d4b2e1a ("Doc update: Correct magic values from nbd protocol, V2")
>
> from the jc_docs tree and commits:
>
> 82805818898dd ("Documentation: NBD_REPLY_MAGIC isn't a magic number")
> bd5926220ffe0 ("nbd: remove define-only NBD_MAGIC, previously magic number")
>
> from the driver-core tree (and probably more for context).
If I'm reading the merge right (very much not a given!),
it seems that the NBD_REPLY_MAGIC (and LO_MAGIC?) constant(s) survived:
they both need to go for reasons listed in
bd5926220ffe0: LO_MAGIC doesn't exist
82805818898dd: NBD_REPLY_MAGIC is part of the line protocol,
not a magic number
This also reveals that I missed NBD_REQUEST_MAGIC
(needs to go, same reason as NBD_REPLY_MAGIC)
in the first pass, but that's unrelated here.
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
The process here is unclear to me; I assume the "linux-next" here is
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/
but the latest update to the default branch appears to be from
4 days ago (and pending-fixes at 7h old has this file last modified in
2021), so I can't really validate if this merge is as I read it
(or, indeed, if it does include... the conflict markers?
because it does appear to introduce them
(or, at least, if I leave in the conflict markers and commit a merge,
it sure looks like what's represented below)?),
so idk.
Diff below trimmed down to the interesting bits with two lines of
context.
Best,
наб
> diff --cc Documentation/process/magic-number.rst
> index 133ecfa106070,f420fa2d7f8b8..0000000000000
> --- a/Documentation/process/magic-number.rst
> +++ b/Documentation/process/magic-number.rst
> @@@ -88,54 -77,10 +77,11 @@@ TTY_MAGIC 0x5401
> - SLOT_MAGIC 0x67267321 slot ``drivers/hotplug/cpqphp.h``
> - SLOT_MAGIC 0x67267322 slot ``drivers/hotplug/acpiphp.h``
> +NBD_REPLY_MAGIC 0x67446698 nbd_reply ``include/uapi/linux/nbd.h``
> - LO_MAGIC 0x68797548 nbd_device ``include/linux/nbd.h``
> - M3_STATE_MAGIC 0x734d724d m3_state ``sound/oss/maestro3.c``
> - VMALLOC_MAGIC 0x87654320 snd_alloc_track ``sound/core/memory.c``
> diff --cc Documentation/translations/it_IT/process/magic-number.rst
> index 17401994f2e84,fa7f926649d2f..0000000000000
> --- a/Documentation/translations/it_IT/process/magic-number.rst
> +++ b/Documentation/translations/it_IT/process/magic-number.rst
> @@@ -94,54 -83,10 +83,61 @@@ TTY_MAGIC 0x5401
> TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
> MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
> ++<<<<<<< HEAD
> +USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
> +FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``
> +RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
> +EEPROM_MAGIC_VALUE 0x5ab478d2 lanai_dev ``drivers/atm/lanai.c``
> ++=======
> + NBD_REQUEST_MAGIC 0x12560953 nbd_request ``include/linux/nbd.h``
> + BAYCOM_MAGIC 0x19730510 baycom_state ``drivers/net/baycom_epp.c``
> ++>>>>>>> driver-core/driver-core-next
> HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
> - PCXX_MAGIC 0x5c6df104 channel ``drivers/char/pcxx.h``
> KV_MAGIC 0x5f4b565f kernel_vars_s ``arch/mips/include/asm/sn/klkernvars.h``
> ++<<<<<<< HEAD
> +I810_STATE_MAGIC 0x63657373 i810_state ``sound/oss/i810_audio.c``
> +TRIDENT_STATE_MAGIC 0x63657373 trient_state ``sound/oss/trident.c``
> +SLOT_MAGIC 0x67267321 slot ``drivers/hotplug/cpqphp.h``
> +SLOT_MAGIC 0x67267322 slot ``drivers/hotplug/acpiphp.h``
> +NBD_REPLY_MAGIC 0x67446698 nbd_reply ``include/uapi/linux/nbd.h``
> +LO_MAGIC 0x68797548 nbd_device ``include/linux/nbd.h``
> +M3_STATE_MAGIC 0x734d724d m3_state ``sound/oss/maestro3.c``
> +VMALLOC_MAGIC 0x87654320 snd_alloc_track ``sound/core/memory.c``
> +PWC_MAGIC 0x89DC10AB pwc_device ``drivers/usb/media/pwc.h``
> +ENI155_MAGIC 0xa54b872d midway_eprom ``drivers/atm/eni.h``
> ++=======
> ++>>>>>>> driver-core/driver-core-next
> CODA_MAGIC 0xC0DAC0DA coda_file_info ``fs/coda/coda_fs_i.h``
> YAM_MAGIC 0xF10A7654 yam_port ``drivers/net/hamradio/yam.c``
> diff --cc Documentation/translations/zh_CN/process/magic-number.rst
> index 1b376fe087b54,4371f16836936..0000000000000
> --- a/Documentation/translations/zh_CN/process/magic-number.rst
> +++ b/Documentation/translations/zh_CN/process/magic-number.rst
> @@@ -77,57 -66,11 +66,63 @@@ TTY_MAGIC 0x5401
> TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
> MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
> ++<<<<<<< HEAD
> +USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
> +FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``
> +RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
> +EEPROM_MAGIC_VALUE 0x5ab478d2 lanai_dev ``drivers/atm/lanai.c``
> ++=======
> + NBD_REQUEST_MAGIC 0x12560953 nbd_request ``include/linux/nbd.h``
> + BAYCOM_MAGIC 0x19730510 baycom_state ``drivers/net/baycom_epp.c``
> ++>>>>>>> driver-core/driver-core-next
> HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
> - PCXX_MAGIC 0x5c6df104 channel ``drivers/char/pcxx.h``
> KV_MAGIC 0x5f4b565f kernel_vars_s ``arch/mips/include/asm/sn/klkernvars.h``
> ++<<<<<<< HEAD
> +I810_STATE_MAGIC 0x63657373 i810_state ``sound/oss/i810_audio.c``
> +TRIDENT_STATE_MAGIC 0x63657373 trient_state ``sound/oss/trident.c``
> +SLOT_MAGIC 0x67267321 slot ``drivers/hotplug/cpqphp.h``
> +SLOT_MAGIC 0x67267322 slot ``drivers/hotplug/acpiphp.h``
> +NBD_REPLY_MAGIC 0x67446698 nbd_reply ``include/uapi/linux/nbd.h``
> +LO_MAGIC 0x68797548 nbd_device ``include/linux/nbd.h``
> +M3_STATE_MAGIC 0x734d724d m3_state ``sound/oss/maestro3.c``
> +VMALLOC_MAGIC 0x87654320 snd_alloc_track ``sound/core/memory.c``
> +PWC_MAGIC 0x89DC10AB pwc_device ``drivers/usb/media/pwc.h``
> +ENI155_MAGIC 0xa54b872d midway_eprom ``drivers/atm/eni.h``
> ++=======
> ++>>>>>>> driver-core/driver-core-next
> CODA_MAGIC 0xC0DAC0DA coda_file_info ``fs/coda/coda_fs_i.h``
> - DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram ``drivers/scsi/gdth.h``
> diff --cc Documentation/translations/zh_TW/process/magic-number.rst
> index ff385a369c7b4,3e83f18b9c18e..0000000000000
> --- a/Documentation/translations/zh_TW/process/magic-number.rst
> +++ b/Documentation/translations/zh_TW/process/magic-number.rst
> @@@ -80,57 -69,11 +69,63 @@@ TTY_MAGIC 0x5401
> TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h``
> MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c``
> ++<<<<<<< HEAD
> +USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h``
> +FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c``
> +RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c``
> +EEPROM_MAGIC_VALUE 0x5ab478d2 lanai_dev ``drivers/atm/lanai.c``
> ++=======
> + NBD_REQUEST_MAGIC 0x12560953 nbd_request ``include/linux/nbd.h``
> + BAYCOM_MAGIC 0x19730510 baycom_state ``drivers/net/baycom_epp.c``
> ++>>>>>>> driver-core/driver-core-next
> HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
> - PCXX_MAGIC 0x5c6df104 channel ``drivers/char/pcxx.h``
> KV_MAGIC 0x5f4b565f kernel_vars_s ``arch/mips/include/asm/sn/klkernvars.h``
> ++<<<<<<< HEAD
> +I810_STATE_MAGIC 0x63657373 i810_state ``sound/oss/i810_audio.c``
> +TRIDENT_STATE_MAGIC 0x63657373 trient_state ``sound/oss/trident.c``
> +SLOT_MAGIC 0x67267321 slot ``drivers/hotplug/cpqphp.h``
> +SLOT_MAGIC 0x67267322 slot ``drivers/hotplug/acpiphp.h``
> +NBD_REPLY_MAGIC 0x67446698 nbd_reply ``include/uapi/linux/nbd.h``
> +LO_MAGIC 0x68797548 nbd_device ``include/linux/nbd.h``
> +M3_STATE_MAGIC 0x734d724d m3_state ``sound/oss/maestro3.c``
> +VMALLOC_MAGIC 0x87654320 snd_alloc_track ``sound/core/memory.c``
> +PWC_MAGIC 0x89DC10AB pwc_device ``drivers/usb/media/pwc.h``
> +ENI155_MAGIC 0xa54b872d midway_eprom ``drivers/atm/eni.h``
> ++=======
> ++>>>>>>> driver-core/driver-core-next
> CODA_MAGIC 0xC0DAC0DA coda_file_info ``fs/coda/coda_fs_i.h``
> - DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram ``drivers/scsi/gdth.h``
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