May 2022 - Devel - Ml01.01.Org

Why the patch against CVE-2017-13693 not be merged?

by joeyli

Hi all, There have a old patch against CVE-2017-13693 which is subumitted by kkamagui: acpi: acpica: fix acpi operand cache leak in dsutils.c https://github.com/acpica/acpica/pull/295 Why this patch not be merged? Does there have any conern? Thanks a lot! Joey Lee

3 weeks, 2 days

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[rafael-pm:bleeding-edge] BUILD SUCCESS 2517a0ba026a90d717f7bd9ee51098c10e93904d

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: 2517a0ba026a90d717f7bd9ee51098c10e93904d Merge branch 'acpi-osl' into linux-next Unverified Warning (likely false positive, please contact us if interested): kernel/reboot.c:554:43: warning: Parameter 'power_off' can be declared with const [constParameter] Warning ids grouped by kconfigs: gcc_recent_errors |-- arc-randconfig-p002-20220530 | `-- kernel-reboot.c:warning:Parameter-power_off-can-be-declared-with-const-constParameter `-- x86_64-randconfig-p001-20220530 `-- kernel-reboot.c:warning:Parameter-power_off-can-be-declared-with-const-constParameter elapsed time: 722m configs tested: 128 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm64 defconfig arm64 allyesconfig arm allmodconfig arm defconfig arm allyesconfig mips allyesconfig riscv allmodconfig um i386_defconfig mips allmodconfig riscv allyesconfig um x86_64_defconfig i386 randconfig-c001-20220530 m68k m5249evb_defconfig arm omap2plus_defconfig mips capcella_defconfig sh sh7770_generic_defconfig m68k hp300_defconfig h8300 alldefconfig powerpc mgcoge_defconfig arm nhk8815_defconfig sh sh7763rdp_defconfig mips loongson1b_defconfig arm lart_defconfig s390 zfcpdump_defconfig powerpc64 defconfig x86_64 randconfig-c001 i386 randconfig-c001 arm randconfig-c002-20220531 ia64 allmodconfig ia64 allyesconfig ia64 defconfig m68k defconfig m68k allyesconfig m68k allmodconfig nios2 defconfig arc allyesconfig csky defconfig nios2 allyesconfig alpha defconfig alpha allyesconfig h8300 allyesconfig xtensa allyesconfig arc defconfig sh allmodconfig s390 defconfig s390 allmodconfig parisc defconfig parisc64 defconfig parisc allyesconfig s390 allyesconfig sparc defconfig i386 allyesconfig sparc allyesconfig i386 defconfig i386 debian-10.3-kselftests i386 debian-10.3 powerpc allyesconfig powerpc allnoconfig powerpc allmodconfig x86_64 randconfig-a003-20220530 x86_64 randconfig-a006-20220530 x86_64 randconfig-a004-20220530 x86_64 randconfig-a001-20220530 x86_64 randconfig-a002-20220530 x86_64 randconfig-a005-20220530 x86_64 randconfig-a006 x86_64 randconfig-a004 x86_64 randconfig-a002 i386 randconfig-a002-20220530 i386 randconfig-a003-20220530 i386 randconfig-a004-20220530 i386 randconfig-a005-20220530 i386 randconfig-a001-20220530 i386 randconfig-a006-20220530 x86_64 randconfig-a011 x86_64 randconfig-a013 x86_64 randconfig-a015 i386 randconfig-a012 i386 randconfig-a014 i386 randconfig-a016 arc randconfig-r043-20220530 arc randconfig-r043-20220531 s390 randconfig-r044-20220531 riscv randconfig-r042-20220531 riscv allnoconfig riscv nommu_k210_defconfig riscv rv32_defconfig riscv nommu_virt_defconfig riscv defconfig x86_64 kexec x86_64 defconfig x86_64 allyesconfig x86_64 rhel-8.3 x86_64 rhel-8.3-func x86_64 rhel-8.3-syz x86_64 rhel-8.3-kselftests x86_64 rhel-8.3-kunit clang tested configs: powerpc pseries_defconfig mips lemote2f_defconfig powerpc pmac32_defconfig powerpc walnut_defconfig mips tb0219_defconfig powerpc kmeter1_defconfig mips malta_qemu_32r6_defconfig arm imx_v4_v5_defconfig arm vt8500_v6_v7_defconfig x86_64 randconfig-a005 x86_64 randconfig-a003 x86_64 randconfig-a001 i386 randconfig-a002 i386 randconfig-a006 i386 randconfig-a004 x86_64 randconfig-a011-20220530 x86_64 randconfig-a013-20220530 x86_64 randconfig-a012-20220530 x86_64 randconfig-a014-20220530 x86_64 randconfig-a015-20220530 x86_64 randconfig-a016-20220530 i386 randconfig-a012-20220530 i386 randconfig-a011-20220530 i386 randconfig-a014-20220530 i386 randconfig-a016-20220530 i386 randconfig-a013-20220530 i386 randconfig-a015-20220530 hexagon randconfig-r045-20220530 s390 randconfig-r044-20220530 hexagon randconfig-r041-20220530 riscv randconfig-r042-20220530 -- 0-DAY CI Kernel Test Service https://01.org/lkp

3 weeks, 5 days

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[rafael-pm:bleeding-edge] BUILD SUCCESS 4eec359c469be110cdaa32c4a511930e9459fd8b

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: 4eec359c469be110cdaa32c4a511930e9459fd8b Merge branch 'pm-docs' into linux-next Unverified Warning (likely false positive, please contact us if interested): kernel/reboot.c:554:43: warning: Parameter 'power_off' can be declared with const [constParameter] Warning ids grouped by kconfigs: gcc_recent_errors |-- m68k-randconfig-p001-20220524 | `-- kernel-reboot.c:warning:Parameter-power_off-can-be-declared-with-const-constParameter `-- microblaze-randconfig-p002-20220524 `-- kernel-reboot.c:warning:Parameter-power_off-can-be-declared-with-const-constParameter elapsed time: 723m configs tested: 142 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm64 allyesconfig arm allmodconfig arm defconfig arm allyesconfig arm64 defconfig i386 randconfig-c001 powerpc allmodconfig m68k allyesconfig m68k allmodconfig powerpc allyesconfig s390 allmodconfig s390 allyesconfig arm mps2_defconfig arm assabet_defconfig sh polaris_defconfig powerpc pcm030_defconfig mips db1xxx_defconfig arm imxrt_defconfig parisc alldefconfig arm vf610m4_defconfig parisc64 defconfig sh titan_defconfig sh sh2007_defconfig openrisc alldefconfig sh se7712_defconfig arm pxa3xx_defconfig sh ecovec24-romimage_defconfig mips bigsur_defconfig powerpc ep88xc_defconfig arc tb10x_defconfig powerpc ps3_defconfig sh sdk7786_defconfig mips maltasmvp_eva_defconfig powerpc motionpro_defconfig nios2 10m50_defconfig arm zeus_defconfig um alldefconfig sh se7619_defconfig powerpc asp8347_defconfig sparc sparc32_defconfig arm pleb_defconfig arm eseries_pxa_defconfig sparc sparc64_defconfig sh apsh4ad0a_defconfig sh se7343_defconfig s390 zfcpdump_defconfig arm trizeps4_defconfig sh hp6xx_defconfig mips decstation_r4k_defconfig riscv nommu_k210_defconfig m68k m5407c3_defconfig powerpc ep8248e_defconfig arc hsdk_defconfig arm randconfig-c002-20220526 arm randconfig-c002-20220524 x86_64 randconfig-c001 ia64 defconfig ia64 allyesconfig ia64 allmodconfig m68k defconfig nios2 defconfig arc allyesconfig csky defconfig nios2 allyesconfig alpha defconfig alpha allyesconfig h8300 allyesconfig xtensa allyesconfig arc defconfig sh allmodconfig s390 defconfig parisc defconfig parisc allyesconfig sparc defconfig i386 allyesconfig sparc allyesconfig i386 defconfig i386 debian-10.3-kselftests i386 debian-10.3 mips allyesconfig mips allmodconfig powerpc allnoconfig x86_64 randconfig-a004 x86_64 randconfig-a002 x86_64 randconfig-a006 i386 randconfig-a001 i386 randconfig-a003 i386 randconfig-a005 x86_64 randconfig-a015 x86_64 randconfig-a013 x86_64 randconfig-a011 i386 randconfig-a012 i386 randconfig-a014 i386 randconfig-a016 arc randconfig-r043-20220524 s390 randconfig-r044-20220524 riscv randconfig-r042-20220524 arc randconfig-r043-20220526 riscv randconfig-r042-20220526 s390 randconfig-r044-20220526 riscv defconfig riscv nommu_virt_defconfig riscv rv32_defconfig riscv allnoconfig riscv allmodconfig riscv allyesconfig x86_64 rhel-8.3-kselftests um x86_64_defconfig um i386_defconfig x86_64 defconfig x86_64 kexec x86_64 rhel-8.3 x86_64 allyesconfig x86_64 rhel-8.3-func x86_64 rhel-8.3-kunit x86_64 rhel-8.3-syz clang tested configs: powerpc mpc885_ads_defconfig mips workpad_defconfig mips rbtx49xx_defconfig powerpc walnut_defconfig mips tb0287_defconfig powerpc obs600_defconfig arm mvebu_v5_defconfig mips pic32mzda_defconfig arm am200epdkit_defconfig mips ip28_defconfig x86_64 randconfig-a001 x86_64 randconfig-a003 x86_64 randconfig-a005 i386 randconfig-a002 i386 randconfig-a006 i386 randconfig-a004 x86_64 randconfig-a012 x86_64 randconfig-a014 x86_64 randconfig-a016 i386 randconfig-a013 i386 randconfig-a011 i386 randconfig-a015 hexagon randconfig-r045-20220524 hexagon randconfig-r045-20220526 hexagon randconfig-r041-20220526 hexagon randconfig-r041-20220524 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month

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[rafael-pm:bleeding-edge] BUILD SUCCESS ee80e69facff8b4c9c955b8e8c58949c50b4f6f3

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: ee80e69facff8b4c9c955b8e8c58949c50b4f6f3 Merge branch 'pm-docs' into bleeding-edge elapsed time: 722m configs tested: 83 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm allmodconfig arm allyesconfig arm64 allyesconfig arm defconfig arm64 defconfig ia64 defconfig ia64 allmodconfig ia64 allyesconfig m68k allyesconfig m68k allmodconfig m68k defconfig nios2 defconfig arc allyesconfig alpha defconfig csky defconfig nios2 allyesconfig alpha allyesconfig arc defconfig sh allmodconfig h8300 allyesconfig xtensa allyesconfig parisc defconfig s390 allmodconfig parisc allyesconfig s390 defconfig s390 allyesconfig parisc64 defconfig i386 debian-10.3-kselftests i386 debian-10.3 i386 defconfig i386 allyesconfig sparc allyesconfig sparc defconfig mips allyesconfig mips allmodconfig powerpc allnoconfig powerpc allmodconfig powerpc allyesconfig i386 randconfig-a001 i386 randconfig-a003 i386 randconfig-a005 x86_64 randconfig-a015 x86_64 randconfig-a013 x86_64 randconfig-a011 i386 randconfig-a014 i386 randconfig-a012 i386 randconfig-a016 x86_64 randconfig-a004 x86_64 randconfig-a002 x86_64 randconfig-a006 riscv randconfig-r042-20220524 arc randconfig-r043-20220524 s390 randconfig-r044-20220524 riscv allnoconfig riscv allyesconfig riscv allmodconfig riscv nommu_k210_defconfig riscv rv32_defconfig riscv nommu_virt_defconfig riscv defconfig um x86_64_defconfig um i386_defconfig x86_64 defconfig x86_64 kexec x86_64 rhel-8.3 x86_64 allyesconfig x86_64 rhel-8.3-func x86_64 rhel-8.3-kunit x86_64 rhel-8.3-kselftests x86_64 rhel-8.3-syz clang tested configs: i386 randconfig-a002 i386 randconfig-a004 i386 randconfig-a006 x86_64 randconfig-a012 x86_64 randconfig-a014 x86_64 randconfig-a016 i386 randconfig-a013 i386 randconfig-a011 i386 randconfig-a015 x86_64 randconfig-a003 x86_64 randconfig-a005 hexagon randconfig-r045-20220524 hexagon randconfig-r041-20220524 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month

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[rafael-pm:bleeding-edge] BUILD SUCCESS 3d22e39d225d7adb6c670065f4ae016e759171ed

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: 3d22e39d225d7adb6c670065f4ae016e759171ed Merge branch 'acpica' into linux-next elapsed time: 829m configs tested: 108 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm allmodconfig arm defconfig arm64 defconfig arm allyesconfig arm64 allyesconfig mips allyesconfig riscv allyesconfig um x86_64_defconfig riscv allmodconfig um i386_defconfig mips allmodconfig arc allyesconfig alpha allyesconfig nios2 allyesconfig arm imxrt_defconfig arm imx_v6_v7_defconfig mips loongson1b_defconfig parisc alldefconfig arm assabet_defconfig xtensa generic_kc705_defconfig s390 zfcpdump_defconfig arm omap2plus_defconfig powerpc64 defconfig mips decstation_r4k_defconfig arm qcom_defconfig arm realview_defconfig powerpc sequoia_defconfig arm sama5_defconfig arc tb10x_defconfig h8300 edosk2674_defconfig nios2 alldefconfig arm h5000_defconfig m68k multi_defconfig arc axs101_defconfig alpha defconfig ia64 defconfig sh microdev_defconfig m68k defconfig m68k allyesconfig m68k allmodconfig csky defconfig h8300 allyesconfig xtensa allyesconfig arc defconfig sh allmodconfig s390 defconfig s390 allmodconfig parisc defconfig parisc64 defconfig parisc allyesconfig s390 allyesconfig i386 debian-10.3-kselftests i386 debian-10.3 i386 defconfig i386 allyesconfig sparc allyesconfig sparc defconfig nios2 defconfig powerpc allyesconfig powerpc allnoconfig powerpc allmodconfig x86_64 randconfig-a006 x86_64 randconfig-a004 x86_64 randconfig-a002 i386 randconfig-a001 i386 randconfig-a003 i386 randconfig-a005 x86_64 randconfig-a013 x86_64 randconfig-a011 x86_64 randconfig-a015 i386 randconfig-a014 i386 randconfig-a012 i386 randconfig-a016 arc randconfig-r043-20220522 s390 randconfig-r044-20220522 riscv randconfig-r042-20220522 riscv defconfig riscv nommu_virt_defconfig riscv rv32_defconfig riscv nommu_k210_defconfig riscv allnoconfig x86_64 kexec x86_64 defconfig x86_64 allyesconfig x86_64 rhel-8.3 x86_64 rhel-8.3-func x86_64 rhel-8.3-syz x86_64 rhel-8.3-kselftests x86_64 rhel-8.3-kunit clang tested configs: arm ep93xx_defconfig powerpc mpc832x_rdb_defconfig powerpc lite5200b_defconfig powerpc mpc8560_ads_defconfig arm omap1_defconfig i386 randconfig-a002 i386 randconfig-a006 i386 randconfig-a004 x86_64 randconfig-a012 x86_64 randconfig-a014 x86_64 randconfig-a016 i386 randconfig-a013 i386 randconfig-a011 i386 randconfig-a015 x86_64 randconfig-a005 x86_64 randconfig-a003 x86_64 randconfig-a001 hexagon randconfig-r041-20220522 hexagon randconfig-r045-20220522 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month

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Re: [PATCH v2 1/5] ACPI: CPPC: Check _OSC for flexible address space

by Rafael J. Wysocki

On Wed, May 18, 2022 at 11:09 AM Pierre Gondois <pierre.gondois(a)arm.com> wrote: > > ACPI 6.2 Section 6.2.11.2 'Platform-Wide OSPM Capabilities': > Starting with ACPI Specification 6.2, all _CPC registers can be in > PCC, System Memory, System IO, or Functional Fixed Hardware address > spaces. OSPM support for this more flexible register space scheme is > indicated by the “Flexible Address Space for CPPC Registers” _OSC bit > > Otherwise (cf ACPI 6.1, s8.4.7.1.1.X), _CPC registers must be in: > - PCC or Functional Fixed Hardware address space if defined > - SystemMemory address space (NULL register) if not defined > > Add the corresponding _OSC bit and check it when parsing _CPC objects. > > Signed-off-by: Pierre Gondois <pierre.gondois(a)arm.com> > Reviewed-by: Sudeep Holla <sudeep.holla(a)arm.com> > --- > drivers/acpi/bus.c | 18 ++++++++++++++++++ > drivers/acpi/cppc_acpi.c | 9 +++++++++ > include/linux/acpi.h | 2 ++ > 3 files changed, 29 insertions(+) > > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > index 3e58b613a2c4..9eca43d1d941 100644 > --- a/drivers/acpi/bus.c > +++ b/drivers/acpi/bus.c > @@ -278,6 +278,20 @@ bool osc_sb_apei_support_acked; > bool osc_pc_lpi_support_confirmed; > EXPORT_SYMBOL_GPL(osc_pc_lpi_support_confirmed); > > +/* > + * ACPI 6.2 Section 6.2.11.2 'Platform-Wide OSPM Capabilities': > + * Starting with ACPI Specification 6.2, all _CPC registers can be in > + * PCC, System Memory, System IO, or Functional Fixed Hardware address > + * spaces. OSPM support for this more flexible register space scheme is > + * indicated by the “Flexible Address Space for CPPC Registers” _OSC bit. > + * > + * Otherwise (cf ACPI 6.1, s8.4.7.1.1.X), _CPC registers must be in: > + * - PCC or Functional Fixed Hardware address space if defined > + * - SystemMemory address space (NULL register) if not defined > + */ > +bool osc_cpc_flexible_adr_space_confirmed; > +EXPORT_SYMBOL_GPL(osc_cpc_flexible_adr_space_confirmed); > + > /* > * ACPI 6.4 Operating System Capabilities for USB. > */ > @@ -321,6 +335,8 @@ static void acpi_bus_osc_negotiate_platform_control(void) > } > #endif > > + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_FLEXIBLE_ADR_SPACE; > + > if (IS_ENABLED(CONFIG_SCHED_MC_PRIO)) > capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_DIVERSE_HIGH_SUPPORT; > > @@ -366,6 +382,8 @@ static void acpi_bus_osc_negotiate_platform_control(void) > capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_PCLPI_SUPPORT; > osc_sb_native_usb4_support_confirmed = > capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_NATIVE_USB4_SUPPORT; > + osc_cpc_flexible_adr_space_confirmed = > + capbuf_ret[OSC_SUPPORT_DWORD] & OSC_SB_CPC_FLEXIBLE_ADR_SPACE; > } > > kfree(context.ret.pointer); > diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c > index bc1454789a06..6f09fe011544 100644 > --- a/drivers/acpi/cppc_acpi.c > +++ b/drivers/acpi/cppc_acpi.c > @@ -736,6 +736,11 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) > if (gas_t->address) { > void __iomem *addr; > > + if (!osc_cpc_flexible_adr_space_confirmed) { > + pr_debug("Flexible address space capability not supported\n"); > + goto out_free; > + } > + > addr = ioremap(gas_t->address, gas_t->bit_width/8); > if (!addr) > goto out_free; > @@ -758,6 +763,10 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) > gas_t->address); > goto out_free; > } > + if (!osc_cpc_flexible_adr_space_confirmed) { > + pr_debug("Flexible address space capability not supported\n"); > + goto out_free; > + } > } else { > if (gas_t->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE || !cpc_ffh_supported()) { > /* Support only PCC, SystemMemory, SystemIO, and FFH type regs. */ > diff --git a/include/linux/acpi.h b/include/linux/acpi.h > index d7136d13aa44..03465db16b68 100644 > --- a/include/linux/acpi.h > +++ b/include/linux/acpi.h > @@ -574,6 +574,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); > #define OSC_SB_OSLPI_SUPPORT 0x00000100 > #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 > #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 > +#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 > #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 > #define OSC_SB_PRM_SUPPORT 0x00200000 > > @@ -581,6 +582,7 @@ extern bool osc_sb_apei_support_acked; > extern bool osc_pc_lpi_support_confirmed; > extern bool osc_sb_native_usb4_support_confirmed; > extern bool osc_sb_cppc_not_supported; > +extern bool osc_cpc_flexible_adr_space_confirmed; > > /* USB4 Capabilities */ > #define OSC_USB_USB3_TUNNELING 0x00000001 > -- Applied as 5.19 material along with the rest of the series, thanks!

1 month, 1 week

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[rafael-pm:bleeding-edge] BUILD SUCCESS c0ba9ef9d454d6189164b92bbfdb12f6691e880c

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: c0ba9ef9d454d6189164b92bbfdb12f6691e880c Merge branch 'pm-cpufreq' into bleeding-edge elapsed time: 1046m configs tested: 92 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm allmodconfig arm allyesconfig arm64 allyesconfig arm defconfig arm64 defconfig i386 randconfig-c001-20220516 m68k m5407c3_defconfig arm at91_dt_defconfig powerpc mpc8540_ads_defconfig m68k amiga_defconfig arm pxa_defconfig arm cm_x300_defconfig sh sh7770_generic_defconfig ia64 allmodconfig ia64 defconfig ia64 allyesconfig m68k defconfig m68k allmodconfig m68k allyesconfig nios2 defconfig arc allyesconfig alpha defconfig csky defconfig nios2 allyesconfig alpha allyesconfig arc defconfig h8300 allyesconfig xtensa allyesconfig sh allmodconfig parisc defconfig s390 allmodconfig parisc allyesconfig s390 defconfig parisc64 defconfig s390 allyesconfig i386 debian-10.3-kselftests i386 debian-10.3 i386 defconfig i386 allyesconfig sparc allyesconfig sparc defconfig mips allmodconfig mips allyesconfig powerpc allnoconfig powerpc allmodconfig powerpc allyesconfig x86_64 randconfig-a012-20220516 x86_64 randconfig-a011-20220516 x86_64 randconfig-a013-20220516 x86_64 randconfig-a014-20220516 x86_64 randconfig-a016-20220516 x86_64 randconfig-a015-20220516 i386 randconfig-a011-20220516 i386 randconfig-a013-20220516 i386 randconfig-a015-20220516 i386 randconfig-a012-20220516 i386 randconfig-a016-20220516 i386 randconfig-a014-20220516 arc randconfig-r043-20220516 riscv randconfig-r042-20220516 s390 randconfig-r044-20220516 riscv allnoconfig riscv allyesconfig riscv allmodconfig riscv nommu_k210_defconfig riscv rv32_defconfig riscv nommu_virt_defconfig riscv defconfig um i386_defconfig um x86_64_defconfig x86_64 defconfig x86_64 allyesconfig x86_64 kexec x86_64 rhel-8.3-func x86_64 rhel-8.3 x86_64 rhel-8.3-kunit x86_64 rhel-8.3-syz x86_64 rhel-8.3-kselftests clang tested configs: x86_64 randconfig-a002-20220516 x86_64 randconfig-a001-20220516 x86_64 randconfig-a003-20220516 x86_64 randconfig-a005-20220516 x86_64 randconfig-a004-20220516 x86_64 randconfig-a006-20220516 i386 randconfig-a003-20220516 i386 randconfig-a001-20220516 i386 randconfig-a004-20220516 i386 randconfig-a002-20220516 i386 randconfig-a005-20220516 i386 randconfig-a006-20220516 hexagon randconfig-r041-20220516 hexagon randconfig-r045-20220516 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month, 1 week

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[rafael-pm:bleeding-edge] BUILD SUCCESS 6b601767c503e2488f8e4ce6ce06ad67573797dd

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: 6b601767c503e2488f8e4ce6ce06ad67573797dd Merge branch 'thermal-int340x-fixes' into linux-next elapsed time: 848m configs tested: 93 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm allmodconfig arm allyesconfig arm64 allyesconfig arm defconfig arm64 defconfig i386 randconfig-c001-20220516 sh se7780_defconfig sh se7705_defconfig powerpc sequoia_defconfig ia64 allmodconfig ia64 defconfig ia64 allyesconfig m68k defconfig m68k allyesconfig m68k allmodconfig alpha defconfig csky defconfig alpha allyesconfig nios2 allyesconfig sh allmodconfig arc defconfig h8300 allyesconfig xtensa allyesconfig parisc defconfig s390 allmodconfig parisc allyesconfig s390 defconfig s390 allyesconfig parisc64 defconfig i386 debian-10.3-kselftests i386 debian-10.3 i386 defconfig i386 allyesconfig sparc allyesconfig sparc defconfig nios2 defconfig arc allyesconfig mips allyesconfig mips allmodconfig powerpc allnoconfig powerpc allmodconfig powerpc allyesconfig x86_64 randconfig-a012-20220516 x86_64 randconfig-a011-20220516 x86_64 randconfig-a013-20220516 x86_64 randconfig-a014-20220516 x86_64 randconfig-a016-20220516 x86_64 randconfig-a015-20220516 i386 randconfig-a014-20220516 i386 randconfig-a011-20220516 i386 randconfig-a013-20220516 i386 randconfig-a015-20220516 i386 randconfig-a012-20220516 i386 randconfig-a016-20220516 arc randconfig-r043-20220516 riscv randconfig-r042-20220516 s390 randconfig-r044-20220516 riscv allnoconfig riscv allyesconfig riscv allmodconfig riscv nommu_k210_defconfig riscv rv32_defconfig riscv nommu_virt_defconfig riscv defconfig um i386_defconfig um x86_64_defconfig x86_64 defconfig x86_64 allyesconfig x86_64 kexec x86_64 rhel-8.3-func x86_64 rhel-8.3 x86_64 rhel-8.3-kunit x86_64 rhel-8.3-kselftests x86_64 rhel-8.3-syz clang tested configs: mips cavium_octeon_defconfig powerpc mpc836x_mds_defconfig powerpc microwatt_defconfig powerpc akebono_defconfig powerpc mvme5100_defconfig i386 randconfig-a005-20220516 i386 randconfig-a003-20220516 i386 randconfig-a001-20220516 i386 randconfig-a004-20220516 i386 randconfig-a006-20220516 i386 randconfig-a002-20220516 hexagon randconfig-r045-20220516 hexagon randconfig-r041-20220516 x86_64 randconfig-a002-20220516 x86_64 randconfig-a001-20220516 x86_64 randconfig-a003-20220516 x86_64 randconfig-a005-20220516 x86_64 randconfig-a004-20220516 x86_64 randconfig-a006-20220516 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month, 1 week

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[rafael-pm:bleeding-edge] BUILD SUCCESS 60c4d1a7db661a73f444de5563a84e57ce78dc76

by kernel test robot

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge branch HEAD: 60c4d1a7db661a73f444de5563a84e57ce78dc76 Merge branch 'pm-cpufreq' into bleeding-edge elapsed time: 4002m configs tested: 110 configs skipped: 3 The following configs have been built successfully. More configs may be tested in the coming days. gcc tested configs: arm allmodconfig arm allyesconfig arm defconfig arm64 defconfig arm64 allyesconfig i386 randconfig-c001 mips bigsur_defconfig powerpc mpc837x_mds_defconfig arm trizeps4_defconfig mips tb0226_defconfig arm lpc18xx_defconfig m68k atari_defconfig ia64 bigsur_defconfig arc haps_hs_smp_defconfig arc nsim_700_defconfig sh se7343_defconfig parisc generic-32bit_defconfig sh hp6xx_defconfig sh se7751_defconfig sh rsk7264_defconfig x86_64 randconfig-c001 arm randconfig-c002-20220512 ia64 allmodconfig ia64 defconfig ia64 allyesconfig m68k defconfig m68k allyesconfig m68k allmodconfig alpha defconfig csky defconfig nios2 allyesconfig alpha allyesconfig arc defconfig sh allmodconfig h8300 allyesconfig xtensa allyesconfig parisc defconfig s390 allmodconfig parisc allyesconfig s390 defconfig parisc64 defconfig s390 allyesconfig i386 debian-10.3-kselftests i386 debian-10.3 i386 defconfig i386 allyesconfig sparc defconfig sparc allyesconfig nios2 defconfig arc allyesconfig mips allmodconfig mips allyesconfig powerpc allnoconfig powerpc allmodconfig powerpc allyesconfig x86_64 randconfig-a004 x86_64 randconfig-a002 x86_64 randconfig-a006 i386 randconfig-a001 i386 randconfig-a003 i386 randconfig-a005 x86_64 randconfig-a013 x86_64 randconfig-a011 x86_64 randconfig-a015 i386 randconfig-a014 i386 randconfig-a012 i386 randconfig-a016 arc randconfig-r043-20220512 s390 randconfig-r044-20220512 riscv randconfig-r042-20220512 riscv allnoconfig riscv allmodconfig riscv nommu_k210_defconfig riscv rv32_defconfig riscv nommu_virt_defconfig riscv defconfig riscv allyesconfig um i386_defconfig um x86_64_defconfig x86_64 defconfig x86_64 allyesconfig x86_64 rhel-8.3-kselftests x86_64 kexec x86_64 rhel-8.3-syz x86_64 rhel-8.3-func x86_64 rhel-8.3 x86_64 rhel-8.3-kunit clang tested configs: x86_64 randconfig-c007 powerpc randconfig-c003-20220512 arm randconfig-c002-20220512 s390 randconfig-c005-20220512 i386 randconfig-c001 riscv randconfig-c006-20220512 mips randconfig-c004-20220512 arm orion5x_defconfig powerpc ppc64e_defconfig powerpc tqm5200_defconfig x86_64 allyesconfig powerpc allmodconfig mips pic32mzda_defconfig x86_64 randconfig-a005 x86_64 randconfig-a001 x86_64 randconfig-a003 i386 randconfig-a002 i386 randconfig-a004 i386 randconfig-a006 x86_64 randconfig-a012 x86_64 randconfig-a014 x86_64 randconfig-a016 i386 randconfig-a013 i386 randconfig-a011 i386 randconfig-a015 hexagon randconfig-r045-20220512 hexagon randconfig-r041-20220512 -- 0-DAY CI Kernel Test Service https://01.org/lkp

1 month, 1 week

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Re: [PATCH v1 3/5] ACPI: CPPC: Assume no transition latency if no PCCT

by Sudeep Holla

On Wed, May 11, 2022 at 03:45:57PM +0200, Pierre Gondois wrote: > From: Pierre Gondois <Pierre.Gondois(a)arm.com> > > The transition_delay_us (struct cpufreq_policy) is currently defined > as: > Preferred average time interval between consecutive invocations of > the driver to set the frequency for this policy. To be set by the > scaling driver (0, which is the default, means no preference). > The transition_latency represents the amount of time necessary for a > CPU to change its frequency. > > A PCCT table advertises mutliple values: > - pcc_nominal: Expected latency to process a command, in microseconds > - pcc_mpar: The maximum number of periodic requests that the subspace > channel can support, reported in commands per minute. 0 indicates no > limitation. > - pcc_mrtt: The minimum amount of time that OSPM must wait after the > completion of a command before issuing the next command, > in microseconds. > cppc_get_transition_latency() allows to get the max of them. > > commit d4f3388afd48 ("cpufreq / CPPC: Set platform specific > transition_delay_us") allows to select transition_delay_us based on > the platform, and fallbacks to cppc_get_transition_latency() > otherwise. > > If _CPC objects are not using PCC channels (no PPCT table), the > transition_delay_us is set to CPUFREQ_ETERNAL, leading to really long > periods between frequency updates (~4s). > > If the desired_reg, where performance requests are written, is in > SystemMemory or SystemIo ACPI address space, there is no delay > in requests. So return 0 instead of CPUFREQ_ETERNAL, leading to > transition_delay_us being set to LATENCY_MULTIPLIER us (1000 us). > > This patch also adds two macros to check the address spaces. > > Signed-off-by: Pierre Gondois <pierre.gondois(a)arm.com> > --- > drivers/acpi/cppc_acpi.c | 17 ++++++++++++++++- > 1 file changed, 16 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c > index 6f09fe011544..cc932ec1b613 100644 > --- a/drivers/acpi/cppc_acpi.c > +++ b/drivers/acpi/cppc_acpi.c > @@ -100,6 +100,16 @@ static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr); > (cpc)->cpc_entry.reg.space_id == \ > ACPI_ADR_SPACE_PLATFORM_COMM) > > +/* Check if a CPC register is in SystemMemory */ > +#define CPC_IN_SM(cpc) ((cpc)->type == ACPI_TYPE_BUFFER && \ > + (cpc)->cpc_entry.reg.space_id == \ > + ACPI_ADR_SPACE_SYSTEM_MEMORY) > + Again my taste or preference: s/SM/SYS_MEM or SYSTEM_MEM > +/* Check if a CPC register is in SystemIo */ > +#define CPC_IN_SIO(cpc) ((cpc)->type == ACPI_TYPE_BUFFER && \ > + (cpc)->cpc_entry.reg.space_id == \ > + ACPI_ADR_SPACE_SYSTEM_IO) > + Ditto, s/SM/SYS_IO or SYSTEM_IO I need not refer back to the macro when reading the code. SM/SIO is too short and makes it hard to infer from the name in general. > /* Evaluates to True if reg is a NULL register descriptor */ > #define IS_NULL_REG(reg) ((reg)->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY && \ > (reg)->address == 0 && \ > @@ -1456,6 +1466,9 @@ EXPORT_SYMBOL_GPL(cppc_set_perf); > * transition latency for performance change requests. The closest we have > * is the timing information from the PCCT tables which provides the info > * on the number and frequency of PCC commands the platform can handle. > + * > + * If desired_reg is in the SystemMemory or SystemIo ACPI address space, > + * then assume there is no latency. > */ > unsigned int cppc_get_transition_latency(int cpu_num) > { > @@ -1481,7 +1494,9 @@ unsigned int cppc_get_transition_latency(int cpu_num) > return CPUFREQ_ETERNAL; > > desired_reg = &cpc_desc->cpc_regs[DESIRED_PERF]; > - if (!CPC_IN_PCC(desired_reg)) > + if (CPC_IN_SM(desired_reg) || CPC_IN_SIO(desired_reg)) > + return 0; > + else if (!CPC_IN_PCC(desired_reg)) > return CPUFREQ_ETERNAL; Apart from the above, Reviewed-by: Sudeep Holla <sudeep.holla(a)arm.com> -- Regards, Sudeep

1 month, 2 weeks

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