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The errp and err variable have unnecessary brackets around them,
so remove the brackets.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 9900393572b63f2ec3d68785ca98193d81e0ac71.1441758563.git.alistair.francis@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The GIC in ZynqMP cover a 64K address space, however the actual
registers are decoded within a 4K address space and mirrored at the 4K
boundaries. This change fixes the defined size for these regions as it
was set to 0x4000/16K incorrectly.
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1441719672-25296-1-git-send-email-nathan@nathanrossi.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
sh4-next:
- TCG optimizations
- fix initramfs endianness issue
# gpg: Signature made Sun 13 Sep 2015 22:16:12 BST using RSA key ID 1DDD8C9B
# gpg: Good signature from "Aurelien Jarno <aurelien@aurel32.net>"
# gpg: aka "Aurelien Jarno <aurelien@jarno.fr>"
# gpg: aka "Aurelien Jarno <aurel32@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 7746 2642 A9EF 94FD 0F77 196D BA9C 7806 1DDD 8C9B
* remotes/aurel/tags/pull-sh4-next-20150913:
sh4: Fix initramfs initialization for endiannes-mismatched targets
target-sh4: improve shad instruction
target-sh4: improve shld instruction
target-sh4: improve cmp/str instruction
target-sh4: use deposit in swap.b instruction
target-sh4: add flags markups for FP helpers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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If host and target endianness does not match, loding an initramfs does not work.
Fix by writing boot parameters with appropriate endianness conversion.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The SH4 shad instruction can shift in both direction, depending on the
sign of the shift. This is currently implemented using branches, which
is not really efficient and prevents the optimizer to do its job. In
practice it is often used with a constant loaded in a register just
before.
Simplify the implementation by computing both the value shifted to the
left and to the right, and then selecting the correct one with a
movcond. As with a negative value the shift amount can go up to 32 which
is undefined, we shift the value in two steps.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The SH4 shld instruction can shift in both direction, depending on the
sign of the shift. This is currently implemented using branches, which
is not really efficient and prevents the optimizer to do its job. In
practice it is often used with a constant loaded in a register just
before.
Simplify the implementation by computing both the value shifted to the
left and to the right, and then selecting the correct one with a
movcond. As with a negative value the shift amount can go up to 32 which
is undefined, we shift the value in two steps.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Instead of testing bytes one by one, we can use the following trick
from https://graphics.stanford.edu/~seander/bithacks.html:
haszero(v) = (v - 0x01010101) & ~v & 0x80808080
The subexpression v - 0x01010101, evaluates to a high bit set in any
byte whenever the corresponding byte in v is zero or greater than 0x80.
The sub-expression ~v & 0x80808080 evaluates to high bits set in bytes
where the byte of v doesn't have its high bit set (so the byte was less
than 0x80). Finally, by ANDing these two sub-expressions the result is
the high bits set where the bytes in v were zero, since the high bits
set due to a value greater than 0x80 in the first sub-expression are
masked off by the second.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Most floating point helpers can trigger an exception, but don't change
the globals. Mark these helpers as TCG_CALL_NO_WG.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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queued tcg related patches
# gpg: Signature made Fri 11 Sep 2015 16:17:00 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg: aka "Richard Henderson <rth@redhat.com>"
# gpg: aka "Richard Henderson <rth@twiddle.net>"
* remotes/rth/tags/pull-tcg-20150911:
cpu-exec: introduce loop exit with restore function
softmmu: remove now unused functions
softmmu: add helper function to pass through retaddr
tlb: Add "ifetch" argument to cpu_mmu_index()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This patch introduces loop exit function, which also
restores guest CPU state according to the value of host
program counter.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150710095702.13280.97477.stgit@PASHA-ISP>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Now that the cpu_ld/st_* function directly call helper_ret_ld/st, we can
drop the old helper_ld/st functions.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150710095656.13280.7085.stgit@PASHA-ISP>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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This patch introduces several helpers to pass return address
which points to the TB. Correct return address allows correct
restoring of the guest PC and icount. These functions should be used when
helpers embedded into TB invoke memory operations.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150710095650.13280.32255.stgit@PASHA-ISP>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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This is set to true when the index is for an instruction fetch
translation.
The core get_page_addr_code() sets it, as do the SOFTMMU_CODE_ACCESS
acessors.
All targets ignore it for now, and all other callers pass "false".
This will allow targets who wish to split the mmu index between
instruction and data accesses to do so. A subsequent patch will
do just that for PowerPC.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Message-Id: <1439796853-4410-2-git-send-email-benh@kernel.crashing.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Add a brief comment describing how to use the debug support
from GDB.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1439574392-4403-5-git-send-email-peter.maydell@linaro.org
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SIGUSR1 is QEMU's IPI signal, and it gets sent a lot, so is
best silently passed through to the guest without stopping.
Make qemu-gdb.py do this bit of configuration for the user.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1439574392-4403-4-git-send-email-peter.maydell@linaro.org
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Split the implementation of CoroutineCommand into its own file.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1439574392-4403-3-git-send-email-peter.maydell@linaro.org
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As we add more commands to our Python gdb debugging support, it's
going to get unwieldy to have everything in a single file. Split
the implementation of the 'mtree' command from qemu-gdb.py into
its own module.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1439574392-4403-2-git-send-email-peter.maydell@linaro.org
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'remotes/mjt/tags/pull-trivial-patches-2015-09-11' into staging
trivial patches for 2015-09-11
# gpg: Signature made Fri 11 Sep 2015 12:02:43 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg: aka "Michael Tokarev <mjt@corpit.ru>"
# gpg: aka "Michael Tokarev <mjt@debian.org>"
* remotes/mjt/tags/pull-trivial-patches-2015-09-11: (26 commits)
virtio-vga: enable for i386
hw/arm/spitz: Remove meaningless blank Property
hw/gpio/zaurus: Remove meaningless blank Property
hw/virtio/virtio-pci: Remove meaningless blank Property
hw/s390x/s390-virtio-bus: Remove meaningless blank Property
typofixes - v4
qapi-schema: remove legacy<> from doc
disas/microblaze: Remove unused code
help: dd missing newline
Target-ppc: Remove unnecessary variable
baum: Fix build with debugging enabled
linux-user: Fix warnings caused by missing 'static' attribute
opts: produce valid command line in qemu_opts_print
docs: fix a qga/qapi-schema.json comment
trivial: remove trailing newline from error_report
maint: avoid useless "if (foo) free(foo)" pattern
maint: avoid useless "if (foo) free(foo)" pattern
maint: remove unused include for strings.h
maint: remove unused include for signal.h
maint: remove unused include for dirent.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This one just syncs x86_64 and i386.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-trivial@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Veres Lajos <vlajos@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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The legacy<> type is no longer used since 7ce7ffe02.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Compress lines and remove the variable ret.
Change made using Coccinelle script
@@
expression ret;
@@
- if (ret) return ret;
- return 0;
+ return ret;
@@
local idexpression ret;
expression e;
@@
- ret = e;
- return ret;
+ return e;
@@
type T; identifier i;
@@
- T i;
... when != i
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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cur and buf are pointers, so the difference is a ptrdiff_t
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Warnings from the Sparse static analysis tool:
linux-user/main.c:40:12: warning:
symbol 'filename' was not declared. Should it be static?
linux-user/main.c:41:12: warning:
symbol 'argv0' was not declared. Should it be static?
linux-user/main.c:42:5: warning:
symbol 'gdbstub_port' was not declared. Should it be static?
linux-user/main.c:43:11: warning:
symbol 'envlist' was not declared. Should it be static?
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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This will let us print options in a format that the user would actually
write it on the command line (foo=bar,baz=asd,etc=def), without
prepending a spurious comma at the beginning of the list, or quoting
values unnecessarily. This patch provides the following changes:
* write and id=, if the option has an id
* do not print separator before the first element
* do not quote string arguments
* properly escape commas (,) for QEMU
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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For consistency with the rest of the comment blocks.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Minor cleanup.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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My Coccinelle semantic patch finds a few more, because it also fixes up
the equally pointless conditional
if (foo) {
free(foo);
foo = NULL;
}
Result (feel free to squash it into your patch):
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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The free() and g_free() functions both happily accept
NULL on any platform QEMU builds on. As such putting a
conditional 'if (foo)' check before calls to 'free(foo)'
merely serves to bloat the lines of code.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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A number of files were including strings.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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A number of files were including signal.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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A number of files were including dirent.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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A number of files were including assert.h but not using any
of the functions it provides
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Many source files have doubled words (eg "the the", "to to",
and so on). Most of these can simply be removed, but a couple
were actual mis-spellings (eg "to to" instead of "to do").
There was even one triple word score "to to to" :-)
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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A number of source files have statements accidentally
terminated by a double semicolon - eg 'foo = bar;;'.
This is harmless but a mistake none the less.
The tcg/ia64/tcg-target.c file is whitelisted because
it has valid use of ';;' in a comment containing assembly
code.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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We use muldiv64() to compute the time to wait:
timeout = muldiv64(get_ticks_per_sec(), timeout, 33000000);
but get_ticks_per_sec() is 10^9 (30 bit value) and timeout
is a 35 bit value.
Whereas muldiv64 is:
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
So we loose 3 bits of timeout.
Swapping get_ticks_per_sec() and timeout fixes it.
We can also replace it by a multiplication by 30 ns,
but this changes PCI clock frequency from 33MHz to 33.333333MHz
and we need to do this on all the QEMU PCI devices (later...)
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Fix obvious typo in printed help for qemu-nbd.
Signed-off-by: Andrey Korolyov <andrey@xdel.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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into staging
xen-2015-09-10
# gpg: Signature made Thu 10 Sep 2015 17:52:08 BST using RSA key ID 70E1AE90
# gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"
* remotes/sstabellini/tags/xen-2015-09-10-tag: (29 commits)
xen/pt: Don't slurp wholesale the PCI configuration registers
xen/pt: Check for return values for xen_host_pci_[get|set] in init
xen/pt: Move bulk of xen_pt_unregister_device in its own routine.
xen/pt: Make xen_pt_unregister_device idempotent
xen/pt: Log xen_host_pci_get/set errors in MSI code.
xen/pt: Log xen_host_pci_get in two init functions
xen/pt: Remove XenPTReg->data field.
xen/pt: Check if reg->init function sets the 'data' past the reg->size
xen/pt: Sync up the dev.config and data values.
xen/pt: Use xen_host_pci_get_[byte|word] instead of dev.config
xen/pt: Use XEN_PT_LOG properly to guard against compiler warnings.
xen/pt/msi: Add the register value when printing logging and error messages
xen: use errno instead of rc for xc_domain_add_to_physmap
xen/pt: xen_host_pci_config_read returns -errno, not -1 on failure
xen/pt: Make xen_pt_msi_set_enable static
xen/pt: Update comments with proper function name.
xen/HVM: atomically access pointers in bufioreq handling
xen-hvm: When using xc_domain_add_to_physmap also include errno when reporting
xen, gfx passthrough: add opregion mapping
xen, gfx passthrough: register host bridge specific to passthrough
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Instead we have the emulation registers ->init functions which
consult the host values to see what the initial value should be
and they are responsible for populating the dev.config.
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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and if we have failures we call xen_pt_destroy introduced in
'xen/pt: Move bulk of xen_pt_unregister_device in its own routine.'
and free all of the allocated structures.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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This way we can call it if we fail during init.
This code movement introduces no changes.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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To deal with xen_host_pci_[set|get]_ functions returning error values
and clearing ourselves in the init function we should make the
.exit (xen_pt_unregister_device) function be idempotent in case
the generic code starts calling .exit (or for fun does it before
calling .init!).
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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