Guo Xuenan (2): Revert "compiler: remove CONFIG_OPTIMIZE_INLINING entirely" make OPTIMIZE_INLINING config editable
arch/arm64/kvm/sys_regs.h | 7 +++++- arch/x86/configs/i386_defconfig | 1 + arch/x86/configs/x86_64_defconfig | 1 + .../net/ethernet/mellanox/mlx5/core/health.c | 24 +++++++++++++++++++ .../ethernet/mellanox/mlx5/core/mlx5_core.h | 24 ------------------- .../pci/hive_isp_css_include/print_support.h | 4 ++++ include/linux/compiler_types.h | 8 +++++++ include/trace/trace_events.h | 2 +- kernel/configs/tiny.config | 1 + lib/Kconfig.debug | 13 ++++++++++ 10 files changed, 59 insertions(+), 26 deletions(-)
From: Guo Xuenan guoxuenan@huawei.com
hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8PGC4
--------------------------------
This reverts commit 889b3c1245de48ed0cacf7aebb25c489d3e4a3e9.
Signed-off-by: Guo Xuenan guoxuenan@huawei.com Signed-off-by: Yuntao Liu liuyuntao12@huawei.com --- arch/x86/configs/i386_defconfig | 1 + arch/x86/configs/x86_64_defconfig | 1 + include/linux/compiler_types.h | 8 ++++++++ kernel/configs/tiny.config | 1 + lib/Kconfig.debug | 12 ++++++++++++ 5 files changed, 23 insertions(+)
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index 1b411bbf3cb0..6a505b3b4b4d 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -280,5 +280,6 @@ CONFIG_BLK_DEV_IO_TRACE=y CONFIG_PROVIDE_OHCI1394_DMA_INIT=y CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_BOOT_PARAMS=y +CONFIG_OPTIMIZE_INLINING=y CONFIG_UNWINDER_FRAME_POINTER=y # CONFIG_64BIT is not set diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index 409e9182bd29..5bd1fcabbe7d 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -276,3 +276,4 @@ CONFIG_BLK_DEV_IO_TRACE=y CONFIG_PROVIDE_OHCI1394_DMA_INIT=y CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_BOOT_PARAMS=y +CONFIG_OPTIMIZE_INLINING=y diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index c523c6683789..476c54a6fb12 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -206,13 +206,21 @@ struct ftrace_likely_data { #define __naked __attribute__((__naked__)) notrace
/* + * Force always-inline if the user requests it so via the .config. * Prefer gnu_inline, so that extern inline functions do not emit an * externally visible function. This makes extern inline behave as per gnu89 * semantics rather than c99. This prevents multiple symbol definition errors * of extern inline functions at link time. * A lot of inline functions can cause havoc with function tracing. + * Do not use __always_inline here, since currently it expands to inline again + * (which would break users of __always_inline). */ +#if !defined(CONFIG_OPTIMIZE_INLINING) +#define inline inline __attribute__((__always_inline__)) __gnu_inline \ + __inline_maybe_unused notrace +#else #define inline inline __gnu_inline __inline_maybe_unused notrace +#endif
/* * gcc provides both __inline__ and __inline as alternate spellings of diff --git a/kernel/configs/tiny.config b/kernel/configs/tiny.config index 00009f7d0835..d0655ba4df4c 100644 --- a/kernel/configs/tiny.config +++ b/kernel/configs/tiny.config @@ -6,5 +6,6 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KERNEL_XZ=y # CONFIG_KERNEL_LZO is not set # CONFIG_KERNEL_LZ4 is not set +CONFIG_OPTIMIZE_INLINING=y CONFIG_SLUB=y CONFIG_SLUB_TINY=y diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 7241c304cb5c..89582a93257a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -474,6 +474,18 @@ config HEADERS_INSTALL user-space program samples. It is also needed by some features such as uapi header sanity checks.
+config OPTIMIZE_INLINING + def_bool y + help + This option determines if the kernel forces gcc to inline the functions + developers have marked 'inline'. Doing so takes away freedom from gcc to + do what it thinks is best, which is desirable for the gcc 3.x series of + compilers. The gcc 4.x series have a rewritten inlining algorithm and + enabling this option will generate a smaller kernel there. Hopefully + this algorithm is so good that allowing gcc 4.x and above to make the + decision will become the default in the future. Until then this option + is there to test gcc for this. + config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" depends on CC_IS_GCC
From: Guo Xuenan guoxuenan@huawei.com
hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8PGC4
--------------------------------
for performance reasons, hulk 6.6 do not use OPTIMIZE_INLINING. it using gnu_inline attribute causing inline functions not really inline, which introducing performance issues,so we make it editable(default disable) and adapt some link conflicting functions.
Signed-off-by: Guo Xuenan guoxuenan@huawei.com Signed-off-by: Yuntao Liu liuyuntao12@huawei.com --- arch/arm64/kvm/sys_regs.h | 7 +++++- .../net/ethernet/mellanox/mlx5/core/health.c | 24 +++++++++++++++++++ .../ethernet/mellanox/mlx5/core/mlx5_core.h | 24 ------------------- .../pci/hive_isp_css_include/print_support.h | 4 ++++ include/trace/trace_events.h | 2 +- lib/Kconfig.debug | 3 ++- 6 files changed, 37 insertions(+), 27 deletions(-)
diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index c65c129b3500..3080693719d2 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h @@ -100,8 +100,13 @@ struct sys_reg_desc { #define REG_USER_WI (1 << 3) /* WI from userspace only */
static __printf(2, 3) +#if defined(CONFIG_OPTIMIZE_INLINING) inline void print_sys_reg_msg(const struct sys_reg_params *p, - char *fmt, ...) + char *fmt, ...) +#else +void print_sys_reg_msg(const struct sys_reg_params *p, + char *fmt, ...) +#endif { va_list va;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 2fb2598b775e..28729f87d2ec 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -45,6 +45,30 @@ #include "diag/fw_tracer.h" #include "diag/reporter_vnic.h"
+static void mlx5_printk(struct mlx5_core_dev *dev, int level, const char *format, ...) +{ + struct device *device = dev->device; + struct va_format vaf; + va_list args; + + if (WARN_ONCE(level < LOGLEVEL_EMERG || level > LOGLEVEL_DEBUG, + "Level %d is out of range, set to default level\n", level)) + level = LOGLEVEL_DEFAULT; + + va_start(args, format); + vaf.fmt = format; + vaf.va = &args; + + dev_printk_emit(level, device, "%s %s: %pV", dev_driver_string(device), dev_name(device), + &vaf); + va_end(args); +} + +#define mlx5_log(__dev, level, format, ...) \ + mlx5_printk(__dev, level, "%s:%d:(pid %d): " format, \ + __func__, __LINE__, current->pid, \ + ##__VA_ARGS__) + enum { MAX_MISSES = 3, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index 124352459c23..ca6736987fb6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -97,30 +97,6 @@ do { \ __func__, __LINE__, current->pid, \ ##__VA_ARGS__)
-static inline void mlx5_printk(struct mlx5_core_dev *dev, int level, const char *format, ...) -{ - struct device *device = dev->device; - struct va_format vaf; - va_list args; - - if (WARN_ONCE(level < LOGLEVEL_EMERG || level > LOGLEVEL_DEBUG, - "Level %d is out of range, set to default level\n", level)) - level = LOGLEVEL_DEFAULT; - - va_start(args, format); - vaf.fmt = format; - vaf.va = &args; - - dev_printk_emit(level, device, "%s %s: %pV", dev_driver_string(device), dev_name(device), - &vaf); - va_end(args); -} - -#define mlx5_log(__dev, level, format, ...) \ - mlx5_printk(__dev, level, "%s:%d:(pid %d): " format, \ - __func__, __LINE__, current->pid, \ - ##__VA_ARGS__) - static inline struct device *mlx5_core_dma_dev(struct mlx5_core_dev *dev) { return &dev->pdev->dev; diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h b/drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h index a3c7f3de6d17..916529e10bd1 100644 --- a/drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h @@ -20,7 +20,11 @@
extern int (*sh_css_printf)(const char *fmt, va_list args); /* depends on host supplied print function in ia_css_init() */ +#if defined(CONFIG_OPTIMIZE_INLINING) static inline __printf(1, 2) void ia_css_print(const char *fmt, ...) +#else +static __printf(1, 2) void ia_css_print(const char *fmt, ...) +#endif { va_list ap;
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h index c2f9cabf154d..c9a07a42f401 100644 --- a/include/trace/trace_events.h +++ b/include/trace/trace_events.h @@ -253,7 +253,7 @@ static struct trace_event_fields trace_event_fields_##call[] = { \
#undef DECLARE_EVENT_CLASS #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ -static inline notrace int trace_event_get_offsets_##call( \ +static notrace int trace_event_get_offsets_##call( \ struct trace_event_data_offsets_##call *__data_offsets, proto) \ { \ int __data_size = 0; \ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 89582a93257a..b0cecd03ceba 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -475,7 +475,8 @@ config HEADERS_INSTALL as uapi header sanity checks.
config OPTIMIZE_INLINING - def_bool y + bool "Optimize inlining" + def_bool n help This option determines if the kernel forces gcc to inline the functions developers have marked 'inline'. Doing so takes away freedom from gcc to
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