Re: [PR PATCH] [Updated] qemu: Fix padding in host_sigevent

[ismaell <ismaell@users.noreply.github.com>]

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There is an updated pull request by ismaell against master on the void-packages repository

https://github.com/ismaell/void-packages patch-1
https://github.com/void-linux/void-packages/pull/32897

qemu: Fix padding in host_sigevent
<!-- Mark items with [x] where applicable -->

#### General
- [x] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
- [ ] I generally don't use the affected packages but briefly tested this PR

A patch file from https://github.com/void-linux/void-packages/pull/32897.patch is attached

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From 4e0ab7d2eb5491ac6aef3bc7f35ce2d5ee0f1f0a Mon Sep 17 00:00:00 2001
From: Ismael Luceno <ismael@iodev.co.uk>
Date: Thu, 9 Sep 2021 23:15:02 +0200
Subject: [PATCH] qemu: Fix padding in host_sigevent

The struct should be padded to 64 bytes but instead it was padded to
(sizeof(int) * (64 - 2 * sizeof(int) + sizeof(union sigval))).

Assuming both int and pointer types are 64 bits, that leads to a padding
of 448 bytes.
---
 srcpkgs/qemu/patches/musl-fix-sigevent-and-sigval_t.patch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/srcpkgs/qemu/patches/musl-fix-sigevent-and-sigval_t.patch b/srcpkgs/qemu/patches/musl-fix-sigevent-and-sigval_t.patch
index c51fca6cf432..3b0754b478bf 100644
--- a/srcpkgs/qemu/patches/musl-fix-sigevent-and-sigval_t.patch
+++ b/srcpkgs/qemu/patches/musl-fix-sigevent-and-sigval_t.patch
@@ -10,7 +10,7 @@
 +    int sigev_signo;
 +    int sigev_notify;
 +    union {
-+       int _pad[64-sizeof(int) * 2 + sizeof(union sigval)];
++       int _pad[(64 - (sizeof(int) * 2 + sizeof(union sigval))) / sizeof(int)];
 +       int _tid;
 +    } _sigev_un;
 +};