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Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Value stored is never read.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix clang warnings:
/src/qemu/block/vvfat.c:1102:9: warning: Value stored to 'index3' during its initialization is never read
int index3=index1+1;
/src/qemu/cmd.c:290:15: warning: Value stored to 'p' during its initialization is never read
char *p = result;
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Greatly simplify the subpage implementation by not supporting
multiple devices at the same address at different widths. We
don't need full copies of mem_read/mem_write/opaque for each
address, only a single index back into the main io_mem_* arrays.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The ABI-specific types used by linux_binprm and image_info
are different after forcing TARGET_ABI32 on. Which means
that the parameters that load_elf_binary_multi sees are not
those that loader_exec passed. This is inherently broken
and is more trouble than it's worth fixing.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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GCC 3.3.5 generates warnings for static forward declarations of data, so
rearrange code to use static forward declarations of functions instead.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix clang error:
CC m68k-softmmu/helper.o
/src/qemu/target-m68k/helper.c:773:33: error: if statement has empty body [-Wempty-body]
else if (val & (1ull << 47));
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix clang errors like:
CC libdis/m68k-dis.o
/src/qemu/m68k-dis.c:1796:7: error: expression result unused [-Wunused-value]
FETCH_DATA (info, p);
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This clang error is harmless but worth fixing:
CC libhw32/rc4030.o
/src/qemu/hw/rc4030.c:244:66: error: if statement has empty body [-Wempty-body]
DPRINTF("read 0x%02x at " TARGET_FMT_plx "\n", val, addr);
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Use address_mask on both addr and addr+8 in both these routines,
rather than explicit masking with 0xffffffff.
Reformulate address_mask to return a result, rather than masking
a pass-by-reference argument.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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A new iovec array is allocated when creating a merged write request.
This patch ensures that the iovec array is deleted in addition to its
qiov owner.
Reported-by: Leszek Urbanski <tygrys@moo.pl>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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It should be BDRV_O_FLAGS instead of BRDV_O_FLAGS.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Several commands have code to create a BlockDriverState and open a file.
The bdrv_new_open() function can be used to perform these steps. This
patch converts the qemu-img commands to actually use bdrv_new_open().
Replaced the bdrv_new_open() 'readonly' argument with bdrv_open()-style
flags to support generic flags like BDRV_O_NO_BACKING.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The bdrv_create2 implementation has disappeared long ago. Remove its
prototype from the header file, too.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The bdrv_set_geometry_hint call below is not needed - it's just setting
what was just read.
Signed-off-by: Bruce Rogers <brogers@novell.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The bdrv_first linked list of BlockDriverStates is currently extern so
that block migration can iterate the list. However, since there is
already a bdrv_iterate() function there is no need to expose bdrv_first.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Assign directly to the bdrv_flags variable instead of using
magic numbers before translating to the BDRV_O_* options.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Returning NULL on error doesn't allow distinguishing between different errors.
Change the interface to return an integer for -errno.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Change write_l1_entry to return the real error code instead of -1.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Fix qcow2_alloc_cluster_link_l2 to return the real error code like it does in
all other error cases.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Change write_l2_entries to return the real error code instead of -1.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Split up the raw_getlength into separate generic, solaris and BSD
versions to reduce the ifdef maze a bit. The BSD variant still
is a complete maze, but to clean it up properly we'd need some
people using the BSD variants to figure out what code is used
for what variant.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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BDRV_O_FILE is only used to communicate between bdrv_file_open and bdrv_open.
It affects two things: first bdrv_open only searches for protocols using
find_protocol instead of all image formats and host drivers. We can easily
move that to the caller and pass the found driver to bdrv_open. Second
it is used to not force a read-write open of a snapshot file. But we never
use bdrv_file_open to open snapshots and this behaviour doesn't make sense
to start with.
qemu-io abused the BDRV_O_FILE for it's growable option, switch it to
using bdrv_file_open to make sure we only open files as growable were
we can actually support that.
This patch requires Kevin's "[PATCH] Replace calls of old bdrv_open" to
be applied first.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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What is known today as bdrv_open2 becomes the new bdrv_open. All remaining
callers of the old function are converted to the new one. In some places they
even know the right format, so they should have used bdrv_open2 from the
beginning.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qcow_create2 assumes that the new image will only need one cluster for its
refcount table initially. Obviously that's not true any more when the image is
big enough (exact value depends on the cluster size).
This patch calculates the refcount table size dynamically.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This adds blkdebug events to qcow2 to allow injecting I/O errors in specific
places.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Block drivers can trigger a blkdebug event whenever they reach a place where it
could be useful to inject an error for testing/debugging purposes.
Rules are read from a blkdebug config file and describe which action is taken
when an event is triggered. For now this is only injecting an error (with a few
options) or changing the state (which is an integer). Rules can be declared to
be active only in a specific state; this way later rules can distiguish on
which path we came to trigger their event.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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To be able to use config files for blkdebug, we need to make these functions
available in the tools. This involves moving two functions that can only be
built in the context of the emulator.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add a mechanism to inject errors instead of passing requests on. With no
further patches applied, you can use it by setting inject_errno in gdb.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This isn't doing anything interesting. It creates the blkdebug block driver as
a protocol which just passes everything through to raw.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qemu_config_parse gets the option groups as a parameter now instead of
hardcoding the VM configuration groups. This way it can be used for other
configurations, too.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Introduce a new function qemu_read_config_file which reads the VM configuration
from a config file. Unlike qemu_config_parse it doesn't take a open file but a
filename and reduces code duplication as a side effect.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Remove unused 'shift' variable spotted by clang.
Also clean up aud_to_sdlfmt which used to get the value
of shift.
Signed-off-by: Serge Ziryukin <ftrvxmtrx@gmail.com>
Signed-off-by: malc <av1474@comtv.ru>
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Problem-spotted-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
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Fix clang error:
CC bt-l2cap.o
/src/qemu/hw/bt-l2cap.c:1000:41: error: if statement has empty body
[-Wempty-body]
/* TODO: Signal an error? */;
This means that l2cap_sframe_in() may now get called.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
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Spotted by Serge Ziryukin and based on his patch, thanks.
Signed-off-by: malc <av1474@comtv.ru>
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When looking down child bus, it should look parent bridge's
bus number, not child bus's.
Optimized tail recursion and style fix.
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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A data structure of type sockaddr_in is allocated from stack but not
properly initialized. This may lead to a failure in the bind() call
later on. Fixed by filling the contents of the structure with zeroes
before using it.
Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Since kvm.h can be used in files compiled once,
we can partially revert
b33612d03540fda7fa67485f1c20395beb7a2bf0.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This allows limited use of kvm functions (which will return ENOSYS)
even in once-compiled modules. The patch also improves a bit the error
messages for KVM initialization.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[blauwirbel@gmail.com: fixed Win32 build]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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