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[PULL,23/28] vl: allow not specifying size in -m when using -M memory-backend

Message ID 20210524164131.383778-24-pbonzini@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/28] configure: Only clone softfloat-3 repositories if TCG is enabled | expand

Commit Message

Paolo Bonzini May 24, 2021, 4:41 p.m. UTC
Starting in QEMU 6.0's commit f5c9fcb82d ("vl: separate
qemu_create_machine", 2020-12-10), a function have_custom_ram_size()
replaced the return value of set_memory_options().

The purpose of the return value was to record the presence of
"-m size", and if it was not there, change the default RAM
size to the size of the memory backend passed with "-M
memory-backend".

With that commit, however, have_custom_ram_size() is now queried only
after set_memory_options has stored the fixed-up RAM size in QemuOpts for
"future use".  This was actually the only future use of the fixed-up RAM
size, so remove that code and fix the bug.

Cc: qemu-stable@nongnu.org
Fixes: f5c9fcb82d ("vl: separate qemu_create_machine", 2020-12-10)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 softmmu/vl.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/softmmu/vl.c b/softmmu/vl.c
index ac0ff6e160..21e55718a6 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -2039,8 +2039,6 @@  static void set_memory_options(MachineClass *mc)
         exit(EXIT_FAILURE);
     }
 
-    /* store value for the future use */
-    qemu_opt_set_number(opts, "size", ram_size, &error_abort);
     maxram_size = ram_size;
 
     if (qemu_opt_get(opts, "maxmem")) {