Gentle ping incase of forgotten. ---- On Fri, 06 Jun 2025 15:27:43 +0800 Li Chen <me@linux.beauty> wrote --- > From: Li Chen <chenl311@xxxxxxxxxxxxxxx> > > This small series improves the kernel behavior and output when the ACPI SPCR > table is not present or not supported. > > Currently, even on systems that completely lack an SPCR table, the kernel prints: > "Use ACPI SPCR as default console: Yes" > > Or if with acpi=nospcr: > "Use ACPI SPCR as default console: No" > > This may mislead users into thinking an SPCR table exists > when in fact there is no such table at all. This series addresses this in two steps: > > Patch 1 ensures that acpi_parse_spcr() returns -ENODEV if CONFIG_ACPI_SPCR_TABLE is disabled. > > Patch 2 updates arm64 acpi_boot_table_init() to only print the SPCR console message > if acpi_parse_spcr() succeeds. > > This results in cleaner and more accurate boot logs on ARM64. > > Tested on both SPCR-enabled and SPCR-less qemu-system arm64 virt platform. [1] > > [1]: https://patchew.org/QEMU/20250528105404.457729-1-me@linux.beauty/ > > Li Chen (2): > ACPI: Return -ENODEV from acpi_parse_spcr() when SPCR support is > disabled > ACPI: Suppress misleading SPCR console message when SPCR table is > absent > > arch/arm64/kernel/acpi.c | 9 ++++++--- > include/linux/acpi.h | 2 +- > 2 files changed, 7 insertions(+), 4 deletions(-) > > -- > 2.49.0 > > Regards, Li
