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Date: Wed, 16 Jul 2014 03:06:13 +0000
From: "Zheng, Lv" <lv.zheng@...el.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>,
Stephen Rothwell <sfr@...b.auug.org.au>
CC: "Luck, Tony" <tony.luck@...el.com>,
"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Chen, Gong" <gong.chen@...ux.intel.com>
Subject: RE: linux-next: manual merge of the pm tree with the ia64 tree
Hi,
> From: Rafael J. Wysocki [mailto:rjw@...ysocki.net]
> Sent: Tuesday, July 15, 2014 8:15 PM
>
> On Tuesday, July 15, 2014 01:56:20 PM Stephen Rothwell wrote:
> >
> > --Sig_/Cs291xJCrI1kc_+PiCdNT0M
> > Content-Type: text/plain; charset=US-ASCII
> > Content-Transfer-Encoding: quoted-printable
> >
> > Hi Rafael,
> >
> > Today's linux-next merge of the pm tree got a conflict in
> > drivers/acpi/acpi_extlog.c between commits 2dfb7d51a61d ("trace, RAS:
> > Add eMCA trace event interface") and d6cae935ec5b ("trace, eMCA: Add a
> > knob to adjust where to save event log") from the ia64 tree and commit
> > 0a00fd5e20fd ("ACPICA: Restore error table definitions to reduce code
> > differences between Linux and ACPICA upstream") from the pm tree.
> >
> > I fixed it up (hopefully - see below) and can carry the fix as
> > necessary (no action is required).
>
> Thanks for fixing this up!
>
> Lv, can you please check if acpi_extlog.c is fine in linux-next?
I checked.
There is no problem in rafael/linux-pm.git/linux-next branch.
The 2 commits:
trace, RAS: Add eMCA trace event interface
trace, eMCA: Add a knob to adjust where to save event log
are not in torvalds/linux.git/master branch, I found them in aegl/linux.git/next branch.
So if torvalds/linux.git/master merges rafael/linux-pm.git/linux-next before merging aegl/linux.git/next, we will need the following fix.
And the following collision fix is correct.
Thanks and best regards
-Lv
>
> Rafael
>
>
> > --=20
> > Cheers,
> > Stephen Rothwell sfr@...b.auug.org.au
> >
> > diff --cc drivers/acpi/acpi_extlog.c
> > index 0ad6f389d922,340d09518f8e..000000000000
> > --- a/drivers/acpi/acpi_extlog.c
> > +++ b/drivers/acpi/acpi_extlog.c
> > @@@ -139,12 -137,8 +139,12 @@@ static int extlog_print(struct notifier
> > struct mce *mce =3D (struct mce *)data;
> > int bank =3D mce->bank;
> > int cpu =3D mce->extcpu;
> > - struct acpi_generic_status *estatus, *tmp;
> > - struct acpi_generic_data *gdata;
> > - struct acpi_hest_generic_status *estatus;
> > - int rc;
> > ++ struct acpi_hest_generic_status *estatus, *tmp;
> > ++ struct acpi_hest_generic_data *gdata;
> > + const uuid_le *fru_id =3D &NULL_UUID_LE;
> > + char *fru_text =3D "";
> > + uuid_le *sec_type;
> > + static u32 err_seq;
> > =20
> > estatus =3D extlog_elog_entry_check(cpu, bank);
> > if (estatus =3D=3D NULL)
> > @@@ -154,29 -148,8 +154,29 @@@
> > /* clear record status to enable BIOS to update it again */
> > estatus->block_status =3D 0;
> > =20
> > - tmp =3D (struct acpi_generic_status *)elog_buf;
> > - rc =3D print_extlog_rcd(NULL, (struct acpi_hest_generic_status *)elog_bu=
> > f, cpu);
> > ++ tmp =3D (struct acpi_hest_generic_status *)elog_buf;
> > +
> > + if (!ras_userspace_consumers()) {
> > + print_extlog_rcd(NULL, tmp, cpu);
> > + goto out;
> > + }
> > +
> > + /* log event via trace */
> > + err_seq++;
> > - gdata =3D (struct acpi_generic_data *)(tmp + 1);
> > ++ gdata =3D (struct acpi_hest_generic_data *)(tmp + 1);
> > + if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
> > + fru_id =3D (uuid_le *)gdata->fru_id;
> > + if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
> > + fru_text =3D gdata->fru_text;
> > + sec_type =3D (uuid_le *)gdata->section_type;
> > + if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) {
> > + struct cper_sec_mem_err *mem =3D (void *)(gdata + 1);
> > + if (gdata->error_data_length >=3D sizeof(*mem))
> > + trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
> > + (u8)gdata->error_severity);
> > + }
> > =20
> > +out:
> > return NOTIFY_STOP;
> > }
> > =20
> >
> > --Sig_/Cs291xJCrI1kc_+PiCdNT0M
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> > --Sig_/Cs291xJCrI1kc_+PiCdNT0M--
> > --
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>
> --
> I speak only for myself.
> Rafael J. Wysocki, Intel Open Source Technology Center.
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