Hi Andrew, After merging the akpm tree, today's linux-next build (powerpc ppc44x_defconfig) failed like this:
kernel/printk/printk.c: In function 'log_buf_add_cpu':
kernel/printk/printk.c:269:37: error: 'CONFIG_LOG_CPU_MAX_BUF_SHIFT' undeclared
(first use in this function)
#define __LOG_CPU_MAX_BUF_LEN (1 << CONFIG_LOG_CPU_MAX_BUF_SHIFT)
^
kernel/printk/printk.c:864:42: note: in expansion of macro
'__LOG_CPU_MAX_BUF_LEN'
cpu_extra = (num_possible_cpus() - 1) * __LOG_CPU_MAX_BUF_LEN;
^
kernel/printk/printk.c:269:37: note: each undeclared identifier is reported
only once for each function it appears in
#define __LOG_CPU_MAX_BUF_LEN (1 << CONFIG_LOG_CPU_MAX_BUF_SHIFT)
^
kernel/printk/printk.c:864:42: note: in expansion of macro
'__LOG_CPU_MAX_BUF_LEN'
cpu_extra = (num_possible_cpus() - 1) * __LOG_CPU_MAX_BUF_LEN;
^
Caused by commit 58209adf633e ("printk: allow increasing the ring
buffer depending on the number of CPUs"). CONFIG_LOG_CPU_MAX_BUF_SHIFT
is not defined for this configuration.
--
Cheers,
Stephen Rothwell [email protected]
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