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No code change, only move code from main.c to
sparc/cpu_loop.c.
Include sparc/cpu_loop.c in sparc64/cpu_loop.c
to avoid to duplicate code.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180411185651.21351-6-laurent@vivier.eu>
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No code change, only move code from main.c to
arm/cpu_loop.c and duplicate some macro
defined for both arm and aarch64.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180411185651.21351-5-laurent@vivier.eu>
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No code change, only move code from main.c to
aarch64/cpu_loop.c and duplicate some macro
defined for both arm and aarch64.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180411185651.21351-4-laurent@vivier.eu>
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No code change, only move code from main.c to
i386/cpu_loop.c.
Include i386/cpu_loop.c in x86_64/cpu_loop.c
to avoid to duplicate code.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180411185651.21351-3-laurent@vivier.eu>
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Create a cpu_loop-common.h for future use by
these new files and use it in the existing
main.c
Introduce target_cpu_copy_regs():
declare the function in cpu_loop-common.h
and an empty function for each target,
to move all the cpu_loop prologues to this function.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180411185651.21351-2-laurent@vivier.eu>
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Instead of calling setup_frame() conditionally to a list of known targets,
define TARGET_ARCH_HAS_SETUP_FRAME if the target provides the function
and call it only if the macro is defined.
Move declarations of setup_frame() and setup_rt_frame() to
linux-user/signal-common.h
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-21-laurent@vivier.eu>
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No code change, only move code from signal.c to
ppc/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-20-laurent@vivier.eu>
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No code change, only move code from signal.c to
mips/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
mips64/signal.c includes mips/signal.c
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-19-laurent@vivier.eu>
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No code change, only move code from signal.c to
sparc/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
sparc64/signal.c includes sparc/signal.c
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-18-laurent@vivier.eu>
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No code change, only move code from signal.c to
i386/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
x86_64/signal.c includes i386/signal.c
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-17-laurent@vivier.eu>
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No code change, only move code from signal.c to
xtensa/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-16-laurent@vivier.eu>
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No code change, only move code from signal.c to
hppa/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-15-laurent@vivier.eu>
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No code change, only move code from signal.c to
riscv/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-14-laurent@vivier.eu>
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No code change, only move code from signal.c to
tilegx/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180424192635.6027-13-laurent@vivier.eu>
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No code change, only move code from signal.c to
alpha/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-12-laurent@vivier.eu>
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No code change, only move code from signal.c to
m68k/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-11-laurent@vivier.eu>
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No code change, only move code from signal.c to
s390x/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-10-laurent@vivier.eu>
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No code change, only move code from signal.c to
openrisc/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-9-laurent@vivier.eu>
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No code change, only move code from signal.c to
nios2/signal.c, except adding includes and
exporting setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-8-laurent@vivier.eu>
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No code change, only move code from signal.c to
cris/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-7-laurent@vivier.eu>
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No code change, only move code from signal.c to
microblaze/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-6-laurent@vivier.eu>
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No code change, only move code from signal.c to
sh4/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-5-laurent@vivier.eu>
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No code change, only move code from signal.c to
arm/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-4-laurent@vivier.eu>
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No code change, only move code from signal.c to
aarch64/signal.c, except adding includes and
exporting setup_frame() and setup_rt_frame().
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-3-laurent@vivier.eu>
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Create a signal-common.h for future use by these new files
and use it in the existing signal.c
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-2-laurent@vivier.eu>
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Currently we mishandle emulation of the getdents syscall for the
case of a 64 bit guest on a 32 bit host -- it defaults into
the 'host and guest same size' codepath and generates incorrect
structures in the guest buffer.
We can't easily handle the 64-on-32 case using the host getdents
syscall, because the guest struct dirent is bigger than the
host struct dirent, and we might find the host syscall has handed
us back more records than we can fit in the guest buffer after
conversion. Instead, always emulate 64-on-32 getdents with
the host getdents64. This avoids the buffer-overrun problem
because a dirent64 struct is always the same size on any host
and always larger than any architecture's dirent struct.
Reported-by: Henry Wertz <hwertz10@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180419125740.2695-1-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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As support for RISC-V was only merged into the mainline kernel at 4.15
it is unlikely that glibc will be happy with a reported kernel version
of 3.8.0. Indeed when I testing binaries created by the current Debian
Sid compiler the tests failed with:
FATAL: kernel too old
Bump the version to the minimum a RISC-V glibc would expect:
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/riscv/configure.ac
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180425100218.24785-1-alex.bennee@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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into staging
usb: ccid bugfix, misc small improvements.
# gpg: Signature made Fri 27 Apr 2018 11:20:18 BST
# gpg: using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/usb-20180427-pull-request:
ccid-card: include libcacard.h only
Fix libusb-1.0.22 deprecated libusb_set_debug with libusb_set_option
ccid: Fix dwProtocols advertisement of T=0
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
vnc: fix use-after-free.
sdl2: gles support.
vfio-display: add reset support.
# gpg: Signature made Fri 27 Apr 2018 10:54:17 BST
# gpg: using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/ui-20180427-pull-request:
ui: introduce vfio_display_reset
console: introduce dpy_gfx_update_full
sdl: Allow OpenGL ES context creation
sdl: Move DisplayOptions global to sdl2_console
qapi: Parameter gl of DisplayType now accept an enum
vnc: fix use-after-free
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
ppc patch queue 2018-04-27
Here's the first batch of ppc patches for 2.13. This has a lot of
stuff that's accumulated during the 2.12 freeze. Highlights are:
* Many improvements for the Uninorth PCI host bridge for Mac
machine types
* Preliminary helpers improve handling of multiple backing
pagesizes (not strictly ppc related, but have acks and aimed to
allow future ppc changes)
* Cleanups to pseries cpu initialization
* Cleanups to hash64 MMU handling
* Assorted bugfixes and improvements
# gpg: Signature made Fri 27 Apr 2018 10:20:30 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.13-20180427: (49 commits)
Clear mem_path if we fall back to anonymous RAM allocation
spapr: Set compatibility mode before the rest of spapr_cpu_reset()
target/ppc: Don't bother with MSR_EP in cpu_ppc_set_papr()
spapr: Support ibm,dynamic-memory-v2 property
ppc: e500: switch E500 based machines to full machine definition
spapr: Add ibm,max-associativity-domains property
target/ppc: Fold slb_nr into PPCHash64Options
target/ppc: Get rid of POWERPC_MMU_VER() macros
target/ppc: Remove unnecessary POWERPC_MMU_V3 flag from mmu_model
target/ppc: Fold ci_large_pages flag into PPCHash64Options
target/ppc: Move 1T segment and AMR options to PPCHash64Options
target/ppc: Make hash64_opts field mandatory for 64-bit hash MMUs
target/ppc: Split page size information into a separate allocation
target/ppc: Move page size setup to helper function
target/ppc: Remove fallback 64k pagesize information
target/ppc: Avoid taking "env" parameter to mmu-hash64 functions
target/ppc: Pass cpu instead of env to ppc_create_page_sizes_prop()
target/ppc: Simplify cpu valid check in ppc_cpu_realize
target/ppc: Standardize instance_init and realize function names
spapr: drop useless dynamic sysbus device sanity check
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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During guest OS reboot, guest framebuffer is invalid. It will cause
bugs, if the invalid guest framebuffer is still used by host.
This patch is to introduce vfio_display_reset which is invoked
during vfio display reset. This vfio_display_reset function is used
to release the invalid display resource, disable scanout mode and
replace the invalid surface with QemuConsole's DisplaySurafce.
This patch can fix the GPU hang issue caused by gd_egl_draw during
guest OS reboot.
Changes v3->v4:
- Move dma-buf based display check into the vfio_display_reset().
(Gerd)
Changes v2->v3:
- Limit vfio_display_reset to dma-buf based vfio display. (Gerd)
Changes v1->v2:
- Use dpy_gfx_update_full() update screen after reset. (Gerd)
- Remove dpy_gfx_switch_surface(). (Gerd)
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Message-id: 1524820266-27079-3-git-send-email-tina.zhang@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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dpy_gfx_update_full is used to do the whole display surface update.
This function is proposed by Gerd Hoffmann.
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Message-id: 1524820266-27079-2-git-send-email-tina.zhang@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Message-id: 20180413135842.21325-4-tournier.elie@gmail.com
[ kraxel: fix indent ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When trying to build with latest libcacard-2.5.1, I hit the
following error:
In file included from hw/usb/ccid-card-passthru.c:12:0:
/usr/include/cacard/vscard_common.h:26:2: error: #warning "Only <libcacard.h> can be included directly" [-Werror=cpp]
#warning "Only <libcacard.h> can be included directly"
While it was fixed in libcacard upstream (so that individual
files can be included directly), it doesn't make much sense.
Let's switch to including the main libcacard.h and also require
at least libcacard-2.5.1 which introduced it. It's available
since late 2015.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 3c36db1dc0702763ebb7966cc27428ed67d43804.1522751624.git.mprivozn@redhat.com
[ kraxel: fix include path ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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libusb-1.0.22 marked libusb_set_debug deprecated
it is replaced with
libusb_set_option(libusb_context, LIBUSB_OPTION_LOG_LEVEL, libusb_log_level);
details here: https://github.com/libusb/libusb/commit/539f22e2fd916558d11ab9a66f10f461c5593168
Warning here:
CC hw/usb/host-libusb.o
/builds/xen/src/qemu-xen/hw/usb/host-libusb.c: In function 'usb_host_init':
/builds/xen/src/qemu-xen/hw/usb/host-libusb.c:250:5: error: 'libusb_set_debug' is deprecated: Use libusb_set_option instead [-Werror=deprecated-declarations]
libusb_set_debug(ctx, loglevel);
^~~~~~~~~~~~~~~~
In file included from /builds/xen/src/qemu-xen/hw/usb/host-libusb.c:40:0:
/usr/include/libusb-1.0/libusb.h:1300:18: note: declared here
void LIBUSB_CALL libusb_set_debug(libusb_context *ctx, int level);
^~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make: *** [/builds/xen/src/qemu-xen/rules.mak:66: hw/usb/host-libusb.o] Error 1
make: Leaving directory '/builds/xen/src/xen/tools/qemu-xen-build'
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
Message-id: 20180405132046.4968-1-git@johnthomson.fastmail.com.au
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Commit d7d218ef02d87c637d20d64da8f575d434ff6f78 attempted to change
dwProtocols to only advertise support for T=0 and not T=1. The change
was incorrect as it changed 0x00000003 to 0x00010000.
lsusb -v in a linux guest shows:
"dwProtocols 65536 (Invalid values detected)", though the
smart card could still be accessed. Windows 7 does not detect inserted
smart cards and logs the the following Error in the Event Logs:
Source: Smart Card Service
Event ID: 610
Smart Card Reader 'QEMU QEMU USB CCID 0' rejected IOCTL SET_PROTOCOL:
Incorrect function. If this error persists, your smart card or reader
may not be functioning correctly
Command Header: 03 00 00 00
Setting to 0x00000001 fixes the Windows issue.
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Message-id: 20180420183219.20722-1-jandryuk@gmail.com
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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If the -mem-path option is set, we attempt to map the guest's RAM from a
file in the given path; it's usually used to back guest RAM with hugepages.
If we're unable to (e.g. not enough free hugepages) then we fall back to
allocating normal anonymous pages. This behaviour can be surprising, but a
comment in allocate_system_memory_nonnuma() suggests it's legacy behaviour
we can't change.
What really isn't ok, though, is that in this case we leave mem_path set.
That means functions which attempt to determine the pagesize of main RAM
can erroneously think it is hugepage based on the requested path, even
though it's not.
This is particular bad for the pseries machine type. KVM HV limitations
mean the guest can't use pagesizes larger than the host page size used to
back RAM. That means that such a fallback, rather than merely giving
poorer performance than expected will cause the guest to freeze up early in
boot as it attempts to use large page mappings that can't work.
This patch addresses the problem by clearing the mem_path variable when we
fall back to anonymous pages, meaning that subsequent attempts to
determine the RAM page size will get an accurate result.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Although the order doesn't really matter at the moment, it's possible
other initializastions could depend on the compatiblity mode, so make sure
we set it first in spapr_cpu_reset().
While we're at it drop the test against first_cpu. Setting the compat mode
to the value it already has is redundant, but harmless, so we might as well
make a small simplification to the code.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
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cpu_ppc_set_papr() removes the EP and HV bits from the MSR mask. While
removing the HV bit makes sense (a cpu in PAPR mode should never be
emulated in hypervisor mode), the EP bit is just bizarre. Although it's
true that a papr mode guest shouldn't be able to change the exception
prefix, the MSR[EP] bit doesn't even exist on the cpus supported for PAPR
mode, so it's pointless to do anything with it here.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
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The new property ibm,dynamic-memory-v2 allows memory to be represented
in a more compact manner in device tree.
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Convert PPCE500Params to PCCE500MachineClass which it essentially is,
and introduce PCCE500MachineState to keep track of E500 specific
state instead of adding global variables or extra parameters to
functions when we need to keep data beyond machine init
(i.e. make it look like typical fully defined machine).
It's pretty shallow conversion instead of currently used trivial
DEFINE_MACHINE() macro. It adds extra 60LOC of boilerplate code
of full machine definition.
The patch on top[1] will use PCCE500MachineState to keep track of
platform_bus device and add E500Plate specific machine class
to use HOTPLUG_HANDLER for explicitly initializing dynamic
sysbus devices at the time they are added instead of delaying
it to machine done time by platform_bus_init_notify() which is
being removed.
1) <1523551221-11612-3-git-send-email-imammedo@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Now recent kernels (i.e. since linux-stable commit a346137e9142
("powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes")
support this property to mark initially memory-less NUMA nodes as "possible"
to allow further memory hot-add to them.
Advertise this property for pSeries machines to let guest kernels detect
maximum supported node configuration and benefit from kernel side change
when hot-add memory to specific, possibly empty before, NUMA node.
Signed-off-by: Serhii Popovych <spopovyc@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The env->slb_nr field gives the size of the SLB (Segment Lookaside Buffer).
This is another static-after-initialization parameter of the specific
version of the 64-bit hash MMU in the CPU. So, this patch folds the field
into PPCHash64Options with the other hash MMU options.
This is a bit more complicated that the things previously put in there,
because slb_nr was foolishly included in the migration stream. So we need
some of the usual dance to handle backwards compatible migration.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
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These macros were introduced to deal with the fact that the mmu_model
field has bit flags mixed in with what's otherwise an enum of various mmu
types.
We've now eliminated all those flags except for one, and that one -
POWERPC_MMU_64 - is already included/compared in the MMU_VER macros. So,
we can get rid of those macros and just directly compare mmu_model values
in the places it was used.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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The only place we test this flag is in conjunction with
ppc64_use_proc_tbl(). That checks for the LPCR_UPRT bit, which we already
ensure can't be set except on a machine with a v3 MMU (i.e. POWER9).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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The ci_large_pages boolean in CPUPPCState is only relevant to 64-bit hash
MMU machines, indicating whether it's possible to map large (> 4kiB) pages
as cache-inhibitied (i.e. for IO, rather than memory). Fold it as another
flag into the PPCHash64Options structure.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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Currently env->mmu_model is a bit of an unholy mess of an enum of distinct
MMU types, with various flag bits as well. This makes which bits of the
field should be compared pretty confusing.
Make a start on cleaning that up by moving two of the flags bits -
POWERPC_MMU_1TSEG and POWERPC_MMU_AMR - which are specific to the 64-bit
hash MMU into a new flags field in PPCHash64Options structure.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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Currently some cpus set the hash64_opts field in the class structure, with
specific details of their variant of the 64-bit hash mmu. For the
remaining cpus with that mmu, ppc_hash64_realize() fills in defaults.
But there are only a couple of cpus that use those fallbacks, so just have
them to set the has64_opts field instead, simplifying the logic.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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env->sps contains page size encoding information as an embedded structure.
Since this information is specific to 64-bit hash MMUs, split it out into
a separately allocated structure, to reduce the basic env size for other
cpus. Along the way we make a few other cleanups:
* Rename to PPCHash64Options which is more in line with qemu name
conventions, and reflects that we're going to merge some more hash64
mmu specific details in there in future. Also rename its
substructures to match qemu conventions.
* Move structure definitions to the mmu-hash64.[ch] files.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
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Initialization of the env->sps structure at the end of instance_init is
specific to the 64-bit hash MMU, so move the code into a helper function
in mmu-hash64.c.
We also create a corresponding function to be called at finalize time -
it's empty for now, but we'll need it shortly.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
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