qemu-kvm/SOURCES/kvm-dump-Cleanup-dump_begin-write-functions.patch

From cbb653d73e32513ccd46b293a52384eed6a5f84f Mon Sep 17 00:00:00 2001
From: Janosch Frank <frankja@linux.ibm.com>
Date: Wed, 30 Mar 2022 12:36:02 +0000
Subject: [PATCH 20/42] dump: Cleanup dump_begin write functions
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RH-Author: Cédric Le Goater <clg@redhat.com>
RH-MergeRequest: 226: s390: Enhanced Interpretation for PCI Functions and Secure Execution guest dump
RH-Bugzilla: 1664378 2043909
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
RH-Commit: [20/41] 18ea1457a3e54fd368e556d96c3be50c6ad0a6bd

There's no need to have a gigantic if in there let's move the elf
32/64 bit logic into the section, segment or note code.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220330123603.107120-9-frankja@linux.ibm.com>
(cherry picked from commit 5ff2e5a3e1e67930e523486e39549a33fcf97227)
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
 dump/dump.c | 42 +++++++++++-------------------------------
 1 file changed, 11 insertions(+), 31 deletions(-)

diff --git a/dump/dump.c b/dump/dump.c
index 823ca32883..88abde355a 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -565,46 +565,26 @@ static void dump_begin(DumpState *s, Error **errp)
         return;
     }
 
-    if (dump_is_64bit(s)) {
-        /* write all PT_LOAD to vmcore */
-        write_elf_loads(s, errp);
+    /* write all PT_LOAD to vmcore */
+    write_elf_loads(s, errp);
+    if (*errp) {
+        return;
+    }
+
+    /* write section to vmcore */
+    if (s->shdr_num) {
+        write_elf_section(s, 1, errp);
         if (*errp) {
             return;
         }
+    }
 
-        /* write section to vmcore */
-        if (s->shdr_num) {
-            write_elf_section(s, 1, errp);
-            if (*errp) {
-                return;
-            }
-        }
-
+    if (dump_is_64bit(s)) {
         /* write notes to vmcore */
         write_elf64_notes(fd_write_vmcore, s, errp);
-        if (*errp) {
-            return;
-        }
     } else {
-        /* write all PT_LOAD to vmcore */
-        write_elf_loads(s, errp);
-        if (*errp) {
-            return;
-        }
-
-        /* write section to vmcore */
-        if (s->shdr_num) {
-            write_elf_section(s, 0, errp);
-            if (*errp) {
-                return;
-            }
-        }
-
         /* write notes to vmcore */
         write_elf32_notes(fd_write_vmcore, s, errp);
-        if (*errp) {
-            return;
-        }
     }
 }
 
-- 
2.37.3