Kokkos: add sycl support

Sys: add sycl device

Merge remote-tracking branch 'origin/release'

Sys: require PETSC_HAVE_CUPM for device/impls/cupm

Merge branch 'jacobf/2021-11-15/better-cupmdevice-no-device' into 'main'

Handle no CUDA/HIP devices better

See merge request petsc/petsc!4556

handle no devices better

minor PetscDevice and PetscDeviceContext doc fixes and other miscellaneous tweaks

apply PETSC_ATTRIBUTE_FORMAT fixes to sys tests

apply PETSC_ATTRIBUTE_FORMAT and related fixes to sys sources

Merge branch 'jolivet/fix-extra-semi' into 'main'

PetscDevice: fix warning: extra ‘;’

See merge request petsc/petsc!4499

Merge remote-tracking branch 'origin/release'

PetscDevice: fix warning: extra ‘;’

Sys: add pragams to supress PGI compiler warnings in YAML

spelling mistake

Merge remote-tracking branch 'origin/release'

- Replace the current CUPM initialization infrastructure with PetscDevice.
- Remove -petsc_use_default_null_stream and -[cuda|hip]_synchronize options
- Remove PetscCUDASynchronize and PetscHIPSynchr

- Replace the current CUPM initialization infrastructure with PetscDevice.
- Remove -petsc_use_default_null_stream and -[cuda|hip]_synchronize options
- Remove PetscCUDASynchronize and PetscHIPSynchronize
- Remove PetscCUDAInitialize(), PetscCUDAInitializeCheck(), PetscHIPInitialize(), and
PetscHIPInitializeCheck()
- Remove PetscCUBLASInitializeHandle(), PetscCUSOLVERDnInitializeHandle(),
PetscHIPBLASInitializeHandle(), and PetscHIPSOLVERInitializeHandle().
- Remove petsc_gputimer_begin and petsc_gputimer_begin
- Add -device_enable, -device_select and -device_view options
- Replace -[cuda|hip]_device with split options -device_enable_[cuda|hip] and -device_select_[cuda|hip]
- Replace -[cuda|hip]_view with -device_view_[cuda|hip]
- Add PetscDeviceInitType
- Add PetscDeviceInitialize() and PetscDeviceInitialized()
- Add PetscDeviceView()

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Merge branch 'psanan/docs-migrate-classic-to-doc-tree' into 'release'

Migrate data for classic build from src/docs to doc/classic

See merge request petsc/petsc!4434

docs: more petsc/src/docs -> petsc/doc updates

Merge branch 'barry/2021-06-10/fix-chkerrq' into 'main'

Fix missing ierr =, removed incorrect CHKERRQ(), change CHKStringError

See merge request petsc/petsc!4078

Fix missing ierr =, removed incorrect CHKERRQ()

Commit-type: error-checking, style-fix
\spend 45m

Docs: man pages: add missing Level: fields

Merge branch 'haplav-release-patch-88907' into 'release'

fix missing opt arg in PetscOptionsInt() synopsis

See merge request petsc/petsc!4420

Merge branch 'stefanozampini/fix-stack' into 'release'

Fix petscstack

See merge request petsc/petsc!4416

fix missing opt arg in PetscOptionsInt() synopsis

SYS: fix PetscStack

add test
The alt file is needed because some CI configurations do not run -checkstack and thus produce empty output