Re: [XEN PATCH v2 3/3] eclair: add deviations of MISRA C Rule 5.5

[Nicola Vetrini]

On 2025-07-16 18:04, Dmytro Prokopchuk1 wrote:
On 7/15/25 13:50, Jan Beulich wrote:
On 15.07.2025 12:07, Dmytro Prokopchuk1 wrote:
ARM only are:
-config=MC3A2.R5.5,reports+={deliberate,
"any_area(all_loc(file(^xen/include/xen/bitops\\.h$)))"}

This one's probably fine.

-config=MC3A2.R5.5,reports+={deliberate,
"all_area(decl(name(parse_gnttab_limit))||macro(name(parse_gnttab_limit)))"}
-config=MC3A2.R5.5,reports+={deliberate,
"all_area(decl(name(update_gnttab_par))||macro(name(update_gnttab_par)))"}

These two look too broad: They're affecting common/grant_table.c only, 
aren't
they?

-config=MC3A2.R5.5,reports+={deliberate,
"all_area(decl(name(pirq_cleanup_check))||macro(name(pirq_cleanup_check)))"}

This one also looks overly broad, but it's perhaps unavoidable to be 
that way.

Jan

Hi Jan.

Those deviations can be narrowed (specifying file name):

-config=MC3A2.R5.5,reports+={deliberate,
"any_area(any_loc(file(^xen/include/xen/bitops\\.h$)) &&
macro(name(__test_and_set_bit||__test_and_clear_bit||__test_and_change_bit||test_bit)))"}
-config=MC3A2.R5.5,reports+={deliberate,
"any_area(any_loc(file(^xen/common/grant_table\\.c$))&&macro(name(update_gnttab_par||parse_gnttab_limit)))"}
-config=MC3A2.R5.5,reports+={deliberate,
"any_area(any_loc(file(^xen/include/xen/irq\\.h$))&&macro(name(pirq_cleanup_check)))"}

Are you OK with it?


s/any_loc/all_loc/ ? I don't expect these reports to have locations 
outside those header files, so this should have the same effect but with 
a narrower deviation.

Dmytro.

--
Nicola Vetrini, B.Sc.
Software Engineer
BUGSENG (https://bugseng.com)
LinkedIn: https://www.linkedin.com/in/nicola-vetrini-a42471253