Shaokun Zhang <[email protected]> writes: > drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_alloc’: > drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable ‘i’ > [-Wunused-variable] > int ret = -ENOMEM, i; > ^ > drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_free’: > drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable ‘i’ > [-Wunused-variable] > int i; > ^ > Fix this compiler warning on arm64 platform.
Thank you for taking care of this. > Cc: Alexander Shishkin <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Signed-off-by: Shaokun Zhang <[email protected]> > --- > drivers/hwtracing/intel_th/msu.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/hwtracing/intel_th/msu.c > b/drivers/hwtracing/intel_th/msu.c > index 81bb54fa3ce8..833a5a8f13ad 100644 > --- a/drivers/hwtracing/intel_th/msu.c > +++ b/drivers/hwtracing/intel_th/msu.c > @@ -780,7 +780,10 @@ static int __msc_buffer_win_alloc(struct msc_window *win, > static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks) > { > struct msc_window *win; > - int ret = -ENOMEM, i; > + int ret = -ENOMEM; > +#ifdef CONFIG_X86 > + int i; > +#endif Can you factor it out into its own function? And one for the other memory type? So we can maybe keep it to just one #ifdef like #ifdef CONFIG_X86 void msc_buffer_set_uc() { ... } void msc_buffer_set_wb() { ... } #else /* !X86 */ static void msc_buffer_set_uc() {} static void msc_buffer_set_wb() {} #endif Thanks, -- Alex

