On Mon, Mar 06, 2023 at 09:51:09PM +0000, Conor Dooley wrote: > Hey Sunil, > > On Fri, Mar 03, 2023 at 07:06:27PM +0530, Sunil V L wrote: > > This patch series enables the basic ACPI infrastructure for RISC-V. > > Supporting external interrupt controllers is in progress and hence it is > > tested using poll based HVC SBI console and RAM disk. > > > > The first patch in this series is one of the patch from Jisheng's > > series [1] which is not merged yet. This patch is required to support > > ACPI since efi_init() which gets called before sbi_init() can enable > > static branches and hits a panic. > > > > Patch 2 and 3 are ACPICA patches which are not merged into acpica yet > > but a PR is raised already. > > > > Below are two ECRs approved by ASWG. > > RINTC - https://drive.google.com/file/d/1R6k4MshhN3WTT-hwqAquu5nX6xSEqK2l/view > > RHCT - https://drive.google.com/file/d/1nP3nFiH4jkPMp6COOxP6123DCZKR-tia/view > > > > The series depends on Anup's IPI improvement series [2]. > > > > [1] https://lore.kernel.org/all/20220821140918.3613-1-jszhang@xxxxxxxxxx/ > > [2] https://lore.kernel.org/lkml/20230103141221.772261-7-apatel@xxxxxxxxxxxxxxxx/T/ > > Building a clang-15 allmodconfig (I didn't try gcc) with this series, and > Anup's IPI bits, results in a broken build, due to failings in cmpxchg: > > /stuff/linux/drivers/platform/surface/aggregator/controller.c:61:25: error: call to __compiletime_assert_335 declared with 'error' attribute: BUILD_BUG failed > while (unlikely((ret = cmpxchg(&c->value, old, new)) != old)) { > ^ Hi Conor, I am able to build without any of these issues using clang-15. I am wondering whether the base is proper. I had rebased on top of the master and couple of patches from IPI series were already merged in the master. Do you mind verifying with my branch https://github.com/vlsunil/linux/commits/acpi_b1_us_review_ipi17_V3? Or if you could provide me your branch details, I can look further. Thanks! Sunil
