linux-dev/arch/s390/hypfs, branch master

s390/hypfs: avoid error message under KVM

2022-08-15T15:19:51Z

When booting under KVM the following error messages are issued: hypfs.7f5705: The hardware system does not support hypfs hypfs.7a79f0: Initialization of hypfs failed with rc=-61 Demote the severity of first message from "error" to "info" and issue the second message only in other error cases. Signed-off-by: Juergen Gross Acked-by: Heiko Carstens Acked-by: Christian Borntraeger Link: https://lore.kernel.org/r/20220620094534.18967-1-jgross@suse.com [arch/s390/hypfs/hypfs_diag.c changed description] Signed-off-by: Alexander Gordeev

s390/hypfs: fix typos in comments

2022-05-06T18:45:13Z

Various spelling mistakes in comments. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall Link: https://lore.kernel.org/r/20220430191122.8667-5-Julia.Lawall@inria.fr Signed-off-by: Heiko Carstens

s390/extable: move EX_TABLE define to asm-extable.h

2022-03-07T23:33:00Z

Follow arm64 and riscv and move the EX_TABLE define to asm-extable.h which is a lot less generic than the current linkage.h. Also make sure that all files which contain EX_TABLE usages actually include the new header file. This should make sure that the files always compile and there won't be any random compile breakage due to other header file dependencies. Reviewed-by: Alexander Gordeev Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik

s390/hypfs: include z/VM guests with access control group set

2022-01-26T17:42:39Z

Currently if z/VM guest is allowed to retrieve hypervisor performance data globally for all guests (privilege class B) the query is formed in a way to include all guests but the group name is left empty. This leads to that z/VM guests which have access control group set not being included in the results (even local vm). Change the query group identifier from empty to "any" to retrieve information about all guests from any groups (or without a group set). Cc: stable@vger.kernel.org Fixes: 31cb4bd31a48 ("[S390] Hypervisor filesystem (s390_hypfs) for z/VM") Reviewed-by: Gerald Schaefer Signed-off-by: Vasily Gorbik

s390: rename dma section to amode31

2021-08-05T12:10:53Z

The dma section name is confusing, since the code which resides within that section has nothing to do with direct memory access. Instead the limitation is that the code has to run in 31 bit addressing mode, and therefore has to reside below 2GB. So the name was chosen since ZONE_DMA is the same region. To reduce confusion rename the section to amode31, which hopefully describes better what this is about. Note: this will also change vmcoreinfo strings - SDMA=... gets renamed to SAMODE31=... - EDMA=... gets renamed to EAMODE31=... Acked-by: Vasily Gorbik Reviewed-by: Alexander Egorenkov Signed-off-by: Heiko Carstens

s390: replace deprecated CPU-hotplug functions

2021-08-05T12:10:53Z

The functions get_online_cpus() and put_online_cpus() have been deprecated during the CPU hotplug rework. They map directly to cpus_read_lock() and cpus_read_unlock(). Replace deprecated CPU-hotplug functions with the official version. The behavior remains unchanged. Signed-off-by: Sebastian Andrzej Siewior Link: https://lore.kernel.org/r/20210803141621.780504-5-bigeasy@linutronix.de Signed-off-by: Heiko Carstens

s390/hypfs: use register pair instead of register asm

2021-06-28T09:18:28Z

Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik

s390/hypfs: use store_tod_clock_ext()

2021-02-13T16:17:55Z

Use store_tod_clock_ext() instead of get_tod_clock_ext(). Unfortunately one usage has to be converted to a cast, since otherwise a uapi header file would have to be changed. Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik

fs_parse: fold fs_parameter_desc/fs_parameter_spec

2020-02-07T19:48:37Z

The former contains nothing but a pointer to an array of the latter... Signed-off-by: Al Viro

fs_parser: remove fs_parameter_description name field

2020-02-07T19:48:36Z

Unused now. Signed-off-by: Eric Sandeen Acked-by: David Howells Signed-off-by: Al Viro