On Mon, May 11, 2020 at 9:32 PM Jiping Ma <[email protected]> wrote: > > > > On 05/11/2020 08:55 PM, Bruce Ashfield wrote: > > I need a bit more info on this one: > > > > - which kernel versions > > - is this also an upstream problem, or one we've introduced in > > linux-yocto ? > My fix 769a8c0b32 introduced the issue. > <https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-dev/commit/?h=769a8c0b323dad18ce10465cf87995a5e038080e> > > Jiping > <https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-dev/commit/?h=769a8c0b323dad18ce10465cf87995a5e038080e> >
Aha. Thanks, I'll track down where I merged that, and merge this to the same releases. Bruce > > > > Bruce > > > > On Sat, May 9, 2020 at 1:50 AM Jiping Ma <[email protected]> wrote: > >> arch/arm64/kernel/perf_regs.c:37:34: warning: array subscript 32 is > >> above array bounds of 'u64[31]' {aka 'long long unsigned int[31]'} > >> [-Warray-bounds] > >> 37 | return regs->regs[PERF_REG_ARM64_PC]; > >> | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ > >> > >> Signed-off-by: Jiping Ma <[email protected]> > >> --- > >> arch/arm64/kernel/perf_regs.c | 2 +- > >> 1 file changed, 1 insertion(+), 1 deletion(-) > >> > >> diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c > >> index 04088e6b6092..0ef2880267c9 100644 > >> --- a/arch/arm64/kernel/perf_regs.c > >> +++ b/arch/arm64/kernel/perf_regs.c > >> @@ -34,7 +34,7 @@ u64 perf_reg_value(struct pt_regs *regs, int idx) > >> > >> if (perf_reg_abi(current) == PERF_SAMPLE_REGS_ABI_32 > >> && idx == 15) > >> - return regs->regs[PERF_REG_ARM64_PC]; > >> + return regs->pc; > >> > >> return regs->regs[idx]; > >> } > >> -- > >> 2.18.1 > >> > > > -- - Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end - "Use the force Harry" - Gandalf, Star Trek II
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