diff options
| author | Kevin Bowling <[email protected]> | 2021-07-16 13:28:55 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-07-16 14:28:55 -0600 |
| commit | ca14e08cbff36cadd26928cb01222707930973cb (patch) | |
| tree | 429bf41614af198ab7cfe7eb19b60d4fb28f03de /config/kernel-config-defined.m4 | |
| parent | b17b19943edfe734211388c6ebd626109232cf17 (diff) | |
Detect HAVE_LARGE_STACKS at compile time
Move HAVE_LARGE_STACKS definitions to header and set when appropriate.
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Allan Jude <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Signed-off-by: Kevin Bowling <[email protected]>
Closes #12350
Diffstat (limited to 'config/kernel-config-defined.m4')
| -rw-r--r-- | config/kernel-config-defined.m4 | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/config/kernel-config-defined.m4 b/config/kernel-config-defined.m4 index 9b9468269..c7d18b49b 100644 --- a/config/kernel-config-defined.m4 +++ b/config/kernel-config-defined.m4 @@ -19,7 +19,6 @@ AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEFINED], [ ]) ]) - ZFS_AC_KERNEL_SRC_CONFIG_THREAD_SIZE ZFS_AC_KERNEL_SRC_CONFIG_DEBUG_LOCK_ALLOC ZFS_AC_KERNEL_SRC_CONFIG_TRIM_UNUSED_KSYMS ZFS_AC_KERNEL_SRC_CONFIG_ZLIB_INFLATE @@ -29,7 +28,6 @@ AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEFINED], [ ZFS_LINUX_TEST_COMPILE_ALL([config]) AC_MSG_RESULT([done]) - ZFS_AC_KERNEL_CONFIG_THREAD_SIZE ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC ZFS_AC_KERNEL_CONFIG_TRIM_UNUSED_KSYMS ZFS_AC_KERNEL_CONFIG_ZLIB_INFLATE @@ -37,35 +35,6 @@ AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEFINED], [ ]) dnl # -dnl # Check configured THREAD_SIZE -dnl # -dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64 -dnl # the default thread stack size was increased to 16K from 8K. Therefore, -dnl # on newer kernels and some architectures stack usage optimizations can be -dnl # conditionally applied to improve performance without negatively impacting -dnl # stability. -dnl # -AC_DEFUN([ZFS_AC_KERNEL_SRC_CONFIG_THREAD_SIZE], [ - ZFS_LINUX_TEST_SRC([config_thread_size], [ - #include <linux/module.h> - ],[ - #if (THREAD_SIZE < 16384) - #error "THREAD_SIZE is less than 16K" - #endif - ]) -]) - -AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [ - AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks]) - ZFS_LINUX_TEST_RESULT([config_thread_size], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks]) - ],[ - AC_MSG_RESULT([no]) - ]) -]) - -dnl # dnl # Check CONFIG_DEBUG_LOCK_ALLOC dnl # dnl # This is typically only set for debug kernels because it comes with |