linux-stable/Documentation
Evan Green d3d2cf1aca
RISC-V: Show accurate per-hart isa in /proc/cpuinfo
In /proc/cpuinfo, most of the information we show for each processor is
specific to that hart: marchid, mvendorid, mimpid, processor, hart,
compatible, and the mmu size. But the ISA string gets filtered through a
lowest common denominator mask, so that if one CPU is missing an ISA
extension, no CPUs will show it.

Now that we track the ISA extensions for each hart, let's report ISA
extension info accurately per-hart in /proc/cpuinfo. We cannot change
the "isa:" line, as usermode may be relying on that line to show only
the common set of extensions supported across all harts. Add a new "hart
isa" line instead, which reports the true set of extensions for that
hart.

Signed-off-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231106232439.3176268-1-evan@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2023-11-07 15:13:09 -08:00
..
ABI - Core Frameworks 2023-09-04 13:52:58 -07:00
accel
accounting docs: psi: use correct config name 2023-07-31 09:54:17 -06:00
admin-guide perf tools changes for v6.6: 2023-09-09 20:06:17 -07:00
arch Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
block Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
bpf Including fixes from netfilter and bpf. 2023-09-07 18:33:07 -07:00
cdrom
core-api printk changes for 6.6 2023-09-04 13:20:19 -07:00
cpu-freq
crypto
dev-tools LoongArch changes for v6.6 2023-09-08 12:16:52 -07:00
devicetree RISC-V Patches for the 6.6 Merge Window, Part 2 (try 2) 2023-09-09 14:25:11 -07:00
doc-guide Documentation: doc-guide: use '%' constant indicator in Return: examples 2023-07-14 13:16:59 -06:00
driver-api ata changes for 6.6 2023-09-05 12:37:28 -07:00
fault-injection Documentation: Fix typos 2023-08-18 11:29:03 -06:00
fb Documentation: Fix typos 2023-08-18 11:29:03 -06:00
features LoongArch changes for v6.6 2023-09-08 12:16:52 -07:00
filesystems Mixed with some fixes and cleanups, this brings in reasonably complete 2023-09-06 12:10:15 -07:00
firmware_class
firmware-guide Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
fpga
gpu drm ci for 6.6-rc1 2023-09-10 11:55:26 -07:00
hid HID: Add introduction about HID for non-kernel programmers 2023-08-07 13:24:36 +02:00
hwmon Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
i2c media updates for v6.6-rc1 2023-09-01 12:21:32 -07:00
iio
images
infiniband
input input: docs: pxrc: remove reference to phoenix-sim 2023-08-28 12:43:32 -06:00
isdn
kbuild Kbuild updates for v6.6 2023-09-05 11:01:47 -07:00
kernel-hacking
leds - New Drivers 2023-07-03 11:26:05 -07:00
litmus-tests
livepatch Documentation: Fix typos 2023-08-18 11:29:03 -06:00
locking Documentation: Fix typos 2023-08-18 11:29:03 -06:00
maintainer Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
mhi
misc-devices
mm Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
netlabel
netlink doc/netlink: Add spec for rt route messages 2023-08-27 17:17:11 -07:00
networking VFIO updates for v6.6-rc1 2023-08-30 20:36:01 -07:00
nvdimm
nvme
PCI Merge branch 'pci/misc' 2023-08-29 11:03:57 -05:00
pcmcia
peci
power Documentation: Fix typos 2023-08-18 11:29:03 -06:00
powerpc powerpc updates for 6.6 2023-08-31 12:43:10 -07:00
process Including fixes from netfilter and bpf. 2023-09-07 18:33:07 -07:00
RCU Docs/RCU/rculist_nulls: Fix text about atomic_set_release() 2023-07-14 14:55:57 -07:00
riscv RISC-V: Show accurate per-hart isa in /proc/cpuinfo 2023-11-07 15:13:09 -08:00
rust Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
scheduler Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
scsi SCSI misc on 20230902 2023-09-02 12:02:41 -07:00
security Documentation: Fix typos 2023-08-18 11:29:03 -06:00
sound ALSA: emu10k1: add separate documentation for E-MU cards 2023-08-26 09:25:17 +02:00
sphinx Documentation: Fix typos 2023-08-18 11:29:03 -06:00
sphinx-static
spi Documentation: Fix typos 2023-08-18 11:29:03 -06:00
staging
target scsi: target: docs: Remove tcm_mod_builder.py 2023-06-28 22:01:32 -04:00
timers
tools Documentation: Fix typos 2023-08-18 11:29:03 -06:00
trace Probes updates for v6.6: 2023-09-02 11:10:50 -07:00
translations LoongArch changes for v6.6 2023-09-08 12:16:52 -07:00
usb USB / Thunderbolt / PHY driver update for 6.6-rc1 2023-09-01 09:23:34 -07:00
userspace-api Including fixes from netfilter and bpf. 2023-09-07 18:33:07 -07:00
virt ARM: 2023-09-07 13:52:20 -07:00
w1 Documentation: Fix typos 2023-08-18 11:29:03 -06:00
watchdog Documentation: Fix typos 2023-08-18 11:29:03 -06:00
wmi Documentation work keeps chugging along; stuff for 6.6 includes: 2023-08-30 20:05:42 -07:00
.gitignore
atomic_bitops.txt
atomic_t.txt
Changes
CodingStyle
conf.py
docutils.conf
dontdiff
index.rst
Kconfig
Makefile docs: Integrate rustdoc generation into htmldocs 2023-07-21 15:08:46 -06:00
memory-barriers.txt
SubmittingPatches
subsystem-apis.rst docs: consolidate networking interfaces 2023-07-21 14:54:50 -06:00