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

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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
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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