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Re: [Qemu-ppc] [PULL 00/18] ppc-for-2.10 queue 20170714
From: |
Peter Maydell |
Subject: |
Re: [Qemu-ppc] [PULL 00/18] ppc-for-2.10 queue 20170714 |
Date: |
Fri, 14 Jul 2017 16:13:05 +0100 |
On 14 July 2017 at 07:15, David Gibson <address@hidden> wrote:
> The following changes since commit 49bcce4b9c11759678fd223aefb48691c4959d4f:
>
> Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-07-12'
> into staging (2017-07-13 16:56:06 +0100)
>
> are available in the git repository at:
>
> git://github.com/dgibson/qemu.git tags/ppc-for-2.10-20170714
>
> for you to fetch changes up to e11134d2ac7744569d7c387102368c507d340c30:
>
> pseries: Allow HPT resizing with KVM (2017-07-14 09:28:30 +1000)
>
> ----------------------------------------------------------------
> ppc patch queue 2017-07-14
>
> Two major batches in this set, rather than the usual collection of
> assorted fixes.
>
> * More DRC cleanup. This gets the state management into a state
> which should fix many of the hotplug+migration problems we've
> had. Plus it gets the migration stream format into something
> well defined and pretty minimal which we can reasonably support
> into the future.
>
> * Hashed Page Table resizing. It's been a while since this was
> posted, but it's been through several previous rounds of review.
> The kernel parts (both guest and host) are merged in 4.11, so
> this is the only remaining piece left to allow resizing of the
> HPT in a running guest.
>
> There are also a handful of unrelated fixes.
Hi. I'm afraid this fails to build on the w32 compiler:
CC ppc64-softmmu/hw/ppc/spapr.o
/home/petmay01/linaro/qemu-for-merges/hw/ppc/spapr.c: In function
‘spapr_get_resize_hpt’:
/home/petmay01/linaro/qemu-for-merges/hw/ppc/spapr.c:2642:1: error:
control reaches end of non-void functio
n [-Werror=return-type]
}
^
The compiler is confused (it doesn't realise that "assert(0)"
cannot return), but you can make it happier like this:
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 09b6ff0..68f936c 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2638,7 +2638,7 @@ static char *spapr_get_resize_hpt(Object *obj,
Error **errp)
case SPAPR_RESIZE_HPT_REQUIRED:
return g_strdup("required");
}
- assert(0);
+ g_assert_not_reached();
}
static void spapr_set_resize_hpt(Object *obj, const char *value, Error **errp)
I think g_assert_not_reached() is easier to read anyway; I
always have to think for a moment about whether assert(0)
or assert(1) is the "always assert" condition...
thanks
-- PMM
- [Qemu-ppc] [PULL 15/18] pseries: Implement HPT resizing, (continued)
- [Qemu-ppc] [PULL 15/18] pseries: Implement HPT resizing, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 12/18] spapr: fix potential memory leak in spapr_core_plug(), David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 05/18] spapr: Simplify unplug path, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 08/18] spapr: Cleanups relating to DRC awaiting_release field, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 18/18] pseries: Allow HPT resizing with KVM, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 10/18] spapr: Remove sPAPRConfigureConnectorState sub-structure, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 17/18] pseries: Use smaller default hash page tables when guest can resize, David Gibson, 2017/07/14
- [Qemu-ppc] [PULL 09/18] spapr: Consolidate DRC state variables, David Gibson, 2017/07/14
- Re: [Qemu-ppc] [PULL 00/18] ppc-for-2.10 queue 20170714, Peter Maydell, 2017/07/14
- Re: [Qemu-ppc] [PULL 00/18] ppc-for-2.10 queue 20170714,
Peter Maydell <=