[v1] refactor main RAM allocation to use hostmem backend

[PATCH 79/86] make mem_path local variable

Igor Mammedov posted 86 patches 5 years, 11 months ago

Diff against v2 v3 v3 v4 v5 v6
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Maintainers: Andrew Baumann <Andrew.Baumann@microsoft.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Andrew Jeffery <andrew@aj.id.au>, Sergio Lopez <slp@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Aurelien Jarno <aurelien@aurel32.net>, Christian Borntraeger <borntraeger@de.ibm.com>, Paul Burton <pburton@wavecomp.com>, Artyom Tarasenko <atar4qemu@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Igor Mammedov <imammedo@redhat.com>, Andrzej Zaborowski <balrogg@gmail.com>, Thomas Huth <thuth@redhat.com>, Aleksandar Markovic <amarkovic@wavecomp.com>, KONRAD Frederic <frederic.konrad@adacore.com>, David Hildenbrand <david@redhat.com>, Michael Walle <michael@walle.cc>, "Philippe Mathieu-Daudé" <philmd@redhat.com>, David Gibson <david@gibson.dropbear.id.au>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Andrey Smirnov <andrew.smirnov@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Rob Herring <robh@kernel.org>, Jan Kiszka <jan.kiszka@web.de>, Beniamino Galvani <b.galvani@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, Fabien Chouteau <chouteau@adacore.com>, Leif Lindholm <leif.lindholm@linaro.org>, Thomas Huth <huth@tuxfamily.org>, Peter Chubb <peter.chubb@nicta.com.au>, Radoslaw Biernacki <radoslaw.biernacki@linaro.org>, Cornelia Huck <cohuck@redhat.com>, "Hervé Poussineau" <hpoussin@reactos.org>, Antony Pavlov <antonynpavlov@gmail.com>, Jean-Christophe Dubois <jcd@tribudubois.net>, Helge Deller <deller@gmx.de>, Alistair Francis <alistair@alistair23.me>, Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>, Joel Stanley <joel@jms.id.au>, BALATON Zoltan <balaton@eik.bme.hu>, Richard Henderson <rth@twiddle.net>

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[PATCH 79/86] make mem_path local variable

Posted by Igor Mammedov 5 years, 11 months ago

It's no longer used anywhere beside main(),
so make it local variable that is used for CLI compat
purposes to keep -mem-path option working.

Under hood QEMU will use it to create
  memory-backend-file,mem-path=...
backend and use its MemoryRegion as main RAM.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 include/sysemu/sysemu.h | 1 -
 vl.c                    | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 80c57fd..8de9065 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -53,7 +53,6 @@ extern uint8_t *boot_splash_filedata;
 extern bool enable_mlock;
 extern bool enable_cpu_pm;
 extern QEMUClockType rtc_clock;
-extern const char *mem_path;
 extern int mem_prealloc;
 
 #define MAX_OPTION_ROMS 16
diff --git a/vl.c b/vl.c
index 60dffb4..4ee14f6 100644
--- a/vl.c
+++ b/vl.c
@@ -140,7 +140,6 @@ enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
 int display_opengl;
 const char* keyboard_layout = NULL;
 ram_addr_t ram_size;
-const char *mem_path = NULL;
 int mem_prealloc = 0; /* force preallocation of physical target memory */
 bool enable_mlock = false;
 bool enable_cpu_pm = false;
@@ -2868,6 +2867,7 @@ int main(int argc, char **argv, char **envp)
     Error *err = NULL;
     bool list_data_dirs = false;
     char *dir, **dirs;
+    const char *mem_path = NULL;
     BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
     QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
 
-- 
2.7.4