| Message ID | 20240326122630.85989-1-imammedo@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | [trivial,for-9.0] smbios: add stub for smbios_get_table_legacy() | expand |
On 26/3/24 13:26, Igor Mammedov wrote: > QEMU build fails with > hw/i386/fw_cfg.c:74: undefined reference to `smbios_get_table_legacy' > when it's built with only 'microvm' enabled i.e. with config patch > +++ b/configs/devices/i386-softmmu/default.mak > @@ -26,7 +26,7 @@ > > # Boards: > # > -CONFIG_ISAPC=y > -CONFIG_I440FX=y > -CONFIG_Q35=y > +CONFIG_ISAPC=n > +CONFIG_I440FX=n > +CONFIG_Q35=n > > it happens because I've fogotten/lost smbios_get_table_legacy() stub. > > Fix it by adding missing stub as Philippe suggested. > > Fixes: b42b0e4daaa5 "smbios: build legacy mode code only for 'pc' machine" > Reported-by: Michael Tokarev <mjt@tls.msk.ru> > Singned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > --- > Compile tested only. > > While it's fixing bug for off-tree usecase with non-upstream config, > it's trivial enough to go into 9.0 if time frame allows. > Benefit of it going into 9.0 is that folks who play with minimal builds > won't have to carry the patch in their tree. > > > hw/smbios/smbios_legacy_stub.c | 5 +++++ > 1 file changed, 5 insertions(+) Thanks, patch queued.
On 26/3/24 13:44, Philippe Mathieu-Daudé wrote: > On 26/3/24 13:26, Igor Mammedov wrote: >> QEMU build fails with >> hw/i386/fw_cfg.c:74: undefined reference to `smbios_get_table_legacy' >> when it's built with only 'microvm' enabled i.e. with config patch >> +++ b/configs/devices/i386-softmmu/default.mak >> @@ -26,7 +26,7 @@ >> >> # Boards: >> # >> -CONFIG_ISAPC=y >> -CONFIG_I440FX=y >> -CONFIG_Q35=y >> +CONFIG_ISAPC=n >> +CONFIG_I440FX=n >> +CONFIG_Q35=n >> >> it happens because I've fogotten/lost smbios_get_table_legacy() stub. >> >> Fix it by adding missing stub as Philippe suggested. >> >> Fixes: b42b0e4daaa5 "smbios: build legacy mode code only for 'pc' >> machine" >> Reported-by: Michael Tokarev <mjt@tls.msk.ru> >> Singned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> >> Signed-off-by: Igor Mammedov <imammedo@redhat.com> >> --- >> Compile tested only. >> >> While it's fixing bug for off-tree usecase with non-upstream config, >> it's trivial enough to go into 9.0 if time frame allows. >> Benefit of it going into 9.0 is that folks who play with minimal builds >> won't have to carry the patch in their tree. >> >> >> hw/smbios/smbios_legacy_stub.c | 5 +++++ >> 1 file changed, 5 insertions(+) > > Thanks, patch queued. Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org> BTW I tested using the following patch: -- >8 -- commit 8be7b26b430d3ab192a2d22215ee512072bd88fb Author: Philippe Mathieu-Daudé <philmd@linaro.org> Date: Tue Mar 26 13:52:17 2024 +0100 hw/i386: Add a config to only build the microvm machine Add a config file to build a binary only containing the microvm machine. As suggested in commit d1d5e9eefd ("configure: allow the selection of alternate config in the build"), it can be built using: $ ../configure --without-default-features \ --target-list=x86_64-softmmu \ --with-devices-x86_64=microvm Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> diff --git a/configs/devices/x86_64-softmmu/microvm.mak b/configs/devices/x86_64-softmmu/microvm.mak new file mode 100644 index 0000000000..fe48b5b4a7 --- /dev/null +++ b/configs/devices/x86_64-softmmu/microvm.mak @@ -0,0 +1,20 @@ +# SPDX-FileCopyrightText: 2024 Linaro Ltd. +# +# Config that only supports the 64-bit microvm machine. +# This avoids bringing in any of numerous legacy features from +# the legacy machines or the 32bit platform. +# + +CONFIG_MICROVM=y +CONFIG_PCI_DEVICES=n +CONFIG_SMBIOS=y +CONFIG_SMBIOS_LEGACY=n +CONFIG_VIRTIO_BALLOON=y +CONFIG_VIRTIO_BLK=y +CONFIG_VIRTIO_CRYPTO=y +CONFIG_VIRTIO_GPU=y +CONFIG_VIRTIO_INPUT=y +CONFIG_VIRTIO_NET=y +CONFIG_VIRTIO_RNG=y +CONFIG_VIRTIO_SCSI=y +CONFIG_VIRTIO_SERIAL=y --- Before: Undefined symbols for architecture arm64: "_smbios_get_table_legacy", referenced from: _fw_cfg_build_smbios in hw_i386_fw_cfg.c.o ld: symbol(s) not found for architecture arm64 After: $ ./qemu-system-x86_64 -S -monitor stdio -M microvm QEMU 8.2.90 monitor - type 'help' for more information (qemu) info qom-tree /machine (microvm-machine) ...
26.03.2024 15:26, Igor Mammedov wrote: > QEMU build fails with > hw/i386/fw_cfg.c:74: undefined reference to `smbios_get_table_legacy' > when it's built with only 'microvm' enabled i.e. with config patch > +++ b/configs/devices/i386-softmmu/default.mak > @@ -26,7 +26,7 @@ > > # Boards: > # > -CONFIG_ISAPC=y > -CONFIG_I440FX=y > -CONFIG_Q35=y > +CONFIG_ISAPC=n > +CONFIG_I440FX=n > +CONFIG_Q35=n > > it happens because I've fogotten/lost smbios_get_table_legacy() stub. > > Fix it by adding missing stub as Philippe suggested. > > Fixes: b42b0e4daaa5 "smbios: build legacy mode code only for 'pc' machine" > Reported-by: Michael Tokarev <mjt@tls.msk.ru> > Singned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> > Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Thanks, /mjt
diff --git a/hw/smbios/smbios_legacy_stub.c b/hw/smbios/smbios_legacy_stub.c index f29b15316c..7d593dca98 100644 --- a/hw/smbios/smbios_legacy_stub.c +++ b/hw/smbios/smbios_legacy_stub.c @@ -13,3 +13,8 @@ void smbios_add_usr_blob_size(size_t size) { } + +uint8_t *smbios_get_table_legacy(size_t *length, Error **errp) +{ + g_assert_not_reached(); +}
QEMU build fails with hw/i386/fw_cfg.c:74: undefined reference to `smbios_get_table_legacy' when it's built with only 'microvm' enabled i.e. with config patch +++ b/configs/devices/i386-softmmu/default.mak @@ -26,7 +26,7 @@ # Boards: # -CONFIG_ISAPC=y -CONFIG_I440FX=y -CONFIG_Q35=y +CONFIG_ISAPC=n +CONFIG_I440FX=n +CONFIG_Q35=n it happens because I've fogotten/lost smbios_get_table_legacy() stub. Fix it by adding missing stub as Philippe suggested. Fixes: b42b0e4daaa5 "smbios: build legacy mode code only for 'pc' machine" Reported-by: Michael Tokarev <mjt@tls.msk.ru> Singned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Igor Mammedov <imammedo@redhat.com> --- Compile tested only. While it's fixing bug for off-tree usecase with non-upstream config, it's trivial enough to go into 9.0 if time frame allows. Benefit of it going into 9.0 is that folks who play with minimal builds won't have to carry the patch in their tree. hw/smbios/smbios_legacy_stub.c | 5 +++++ 1 file changed, 5 insertions(+)