linux-toradex.git/arch, branch v5.15-rc1 Linux kernel for Apalis and Colibri modules Merge tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2021-09-12T19:42:51+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-09-12T19:42:51+00:00 f306b90c69ce3994bb8046b54374a90a27f66be6 Pull CPU hotplug updates from Thomas Gleixner: "Updates for the SMP and CPU hotplug: - Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the original hotplug code and now causing trouble with the ARM64 cache topology setup due to the pointless SMP function call. It's not longer required as the hotplug callbacks are guaranteed to be invoked on the upcoming CPU. - Remove the deprecated and now unused CPU hotplug functions - Rewrite the CPU hotplug API documentation" * tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Documentation: core-api/cpuhotplug: Rewrite the API section cpu/hotplug: Remove deprecated CPU-hotplug functions. thermal: Replace deprecated CPU-hotplug functions. drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION() 
Pull CPU hotplug updates from Thomas Gleixner:
 "Updates for the SMP and CPU hotplug:

   - Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
     original hotplug code and now causing trouble with the ARM64 cache
     topology setup due to the pointless SMP function call.

     It's not longer required as the hotplug callbacks are guaranteed to
     be invoked on the upcoming CPU.

   - Remove the deprecated and now unused CPU hotplug functions

   - Rewrite the CPU hotplug API documentation"

* tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation: core-api/cpuhotplug: Rewrite the API section
  cpu/hotplug: Remove deprecated CPU-hotplug functions.
  thermal: Replace deprecated CPU-hotplug functions.
  drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()
Merge tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux 2021-09-11T21:29:42+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-09-11T21:29:42+00:00 b79bd0d5102b4a3ea908018fda6b84a4c8fd6235 Pull more RISC-V updates from Palmer Dabbelt: - A pair of defconfig additions, for NVMe and the EFI filesystem localization options. - A larger address space for stack randomization. - A cleanup to our install rules. - A DTS update for the Microchip Icicle board, to fix the serial console. - Support for build-time table sorting, which allows us to have __ex_table read-only. * tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Move EXCEPTION_TABLE to RO_DATA segment riscv: Enable BUILDTIME_TABLE_SORT riscv: dts: microchip: mpfs-icicle: Fix serial console riscv: move the (z)install rules to arch/riscv/Makefile riscv: Improve stack randomisation on RV64 riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1 riscv: defconfig: enable BLK_DEV_NVME 
Pull more RISC-V updates from Palmer Dabbelt:

 - A pair of defconfig additions, for NVMe and the EFI filesystem
   localization options.

 - A larger address space for stack randomization.

 - A cleanup to our install rules.

 - A DTS update for the Microchip Icicle board, to fix the serial
   console.

 - Support for build-time table sorting, which allows us to have
   __ex_table read-only.

* tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Move EXCEPTION_TABLE to RO_DATA segment
  riscv: Enable BUILDTIME_TABLE_SORT
  riscv: dts: microchip: mpfs-icicle: Fix serial console
  riscv: move the (z)install rules to arch/riscv/Makefile
  riscv: Improve stack randomisation on RV64
  riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1
  riscv: defconfig: enable BLK_DEV_NVME
riscv: Move EXCEPTION_TABLE to RO_DATA segment 2021-09-11T06:59:48+00:00 Jisheng Zhang jszhang@kernel.org 2021-08-26T14:11:18+00:00 6f55ab36bef505b449723300a5a445ddc76a94d7 _ex_table section is read-only, so move it to RO_DATA. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
_ex_table section is read-only, so move it to RO_DATA.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: Enable BUILDTIME_TABLE_SORT 2021-09-11T06:59:44+00:00 Jisheng Zhang jszhang@kernel.org 2021-08-26T14:10:29+00:00 54fed35fd3939398be292e4090b0b1c5ff2238b4 Enable BUILDTIME_TABLE_SORT to sort the exception table at build time rather than during boot. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
Enable BUILDTIME_TABLE_SORT to sort the exception table at build time
rather than during boot.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: dts: microchip: mpfs-icicle: Fix serial console 2021-09-11T06:58:19+00:00 Geert Uytterhoeven geert@linux-m68k.org 2021-08-26T13:19:39+00:00 cbba17870881cd17bca24673ccb72859431da5bd Currently, nothing is output on the serial console, unless "console=ttyS0,115200n8" or "earlycon" are appended to the kernel command line. Enable automatic console selection using chosen/stdout-path by adding a proper alias, and configure the expected serial rate. While at it, add aliases for the other three serial ports, which are provided on the same micro-USB connector as the first one. Fixes: 0fa6107eca4186ad ("RISC-V: Initial DTS for Microchip ICICLE board") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
Currently, nothing is output on the serial console, unless
"console=ttyS0,115200n8" or "earlycon" are appended to the kernel
command line.  Enable automatic console selection using
chosen/stdout-path by adding a proper alias, and configure the expected
serial rate.

While at it, add aliases for the other three serial ports, which are
provided on the same micro-USB connector as the first one.

Fixes: 0fa6107eca4186ad ("RISC-V: Initial DTS for Microchip ICICLE board")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: move the (z)install rules to arch/riscv/Makefile 2021-09-11T06:08:26+00:00 Masahiro Yamada masahiroy@kernel.org 2021-07-29T14:21:47+00:00 399c1ec8467c563ae9db4c19a40a9d5e728b1e72 Currently, the (z)install targets in arch/riscv/Makefile descend into arch/riscv/boot/Makefile to invoke the shell script, but there is no good reason to do so. arch/riscv/Makefile can run the shell script directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
Currently, the (z)install targets in arch/riscv/Makefile descend into
arch/riscv/boot/Makefile to invoke the shell script, but there is no
good reason to do so.

arch/riscv/Makefile can run the shell script directly.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: Improve stack randomisation on RV64 2021-09-11T05:25:34+00:00 Kefeng Wang wangkefeng.wang@huawei.com 2021-08-12T11:47:02+00:00 d5935537c8256fc63c77d5f4914dfd6e3ef43241 This enlarges the bits availiable for stack randomisation on RV64 from the default of 8MiB to 1GiB, to match arm64 and x86. Also, update the documentation to reflect our support for stack randomisation. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> [Palmer: commit text] Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
This enlarges the bits availiable for stack randomisation on RV64 from
the default of 8MiB to 1GiB, to match arm64 and x86.

Also, update the documentation to reflect our support for stack
randomisation.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
[Palmer: commit text]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1 2021-09-11T04:31:12+00:00 Heinrich Schuchardt heinrich.schuchardt@canonical.com 2021-08-12T08:10:27+00:00 efe1e08bca9a1fab2b0ad886be4fb5335dcbf29c The EFI system partition uses the FAT file system. Many distributions add an entry in /etc/fstab for the ESP. We must ensure that mounting does not fail. The default code page for FAT is 437 (cf. CONFIG_FAT_DEFAULT_CODEPAGE). The default IO character set is "iso8859-1" (cf. CONFIG_NLS_ISO8859_1). So let's enable NLS_CODEPAGE_437 and NLS_ISO8859_1 in defconfig. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
The EFI system partition uses the FAT file system. Many distributions add
an entry in /etc/fstab for the ESP. We must ensure that mounting does not
fail.

The default code page for FAT is 437 (cf. CONFIG_FAT_DEFAULT_CODEPAGE).
The default IO character set is "iso8859-1" (cf. CONFIG_NLS_ISO8859_1).

So let's enable NLS_CODEPAGE_437 and NLS_ISO8859_1 in defconfig.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
riscv: defconfig: enable BLK_DEV_NVME 2021-09-11T04:31:05+00:00 Heinrich Schuchardt heinrich.schuchardt@canonical.com 2021-08-12T08:10:26+00:00 3a87ff891290e1b9ef3f03396c22fd3b2f6eb955 NVMe is a non-volatile storage media attached via PCIe. As NVMe has much higher throughput than other block devices like SATA it is a must have for RISC-V. Enable CONFIG_BLK_DEV_NVME. The HiFive Unmatched is a board providing M.2 slots for NVMe drives. Enable CONFIG_PCIE_FU740. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
NVMe is a non-volatile storage media attached via PCIe.
As NVMe has much higher throughput than other block devices like
SATA it is a must have for RISC-V. Enable CONFIG_BLK_DEV_NVME.

The HiFive Unmatched is a board providing M.2 slots for NVMe drives.
Enable CONFIG_PCIE_FU740.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Merge branch 'linus' into smp/urgent 2021-09-10T22:38:47+00:00 Thomas Gleixner tglx@linutronix.de 2021-09-10T22:38:47+00:00 c2f4954c2d3fc4f77b46c67585e17a58df4ba8e4 Ensure that all usage sites of get/put_online_cpus() except for the struggler in drivers/thermal are gone. So the last user and the deprecated inlines can be removed. 
Ensure that all usage sites of get/put_online_cpus() except for the
struggler in drivers/thermal are gone. So the last user and the deprecated
inlines can be removed.