[PATCH AUTOSEL 4.4 38/44] powerpc/vdso: Correct call frame information

2019-11-08 Thread Sasha Levin
From: Alan Modra [ Upstream commit 56d20861c027498b5a1112b4f9f05b56d906fdda ] Call Frame Information is used by gdb for back-traces and inserting breakpoints on function return for the "finish" command. This failed when inside __kernel_clock_gettime. More concerning than difficulty debugging i

[PATCH AUTOSEL 4.9 53/64] powerpc/vdso: Correct call frame information

2019-11-08 Thread Sasha Levin
From: Alan Modra [ Upstream commit 56d20861c027498b5a1112b4f9f05b56d906fdda ] Call Frame Information is used by gdb for back-traces and inserting breakpoints on function return for the "finish" command. This failed when inside __kernel_clock_gettime. More concerning than difficulty debugging i

[PATCH AUTOSEL 4.14 089/103] powerpc/vdso: Correct call frame information

2019-11-08 Thread Sasha Levin
From: Alan Modra [ Upstream commit 56d20861c027498b5a1112b4f9f05b56d906fdda ] Call Frame Information is used by gdb for back-traces and inserting breakpoints on function return for the "finish" command. This failed when inside __kernel_clock_gettime. More concerning than difficulty debugging i

[PATCH AUTOSEL 4.19 182/205] powerpc/vdso: Correct call frame information

2019-11-08 Thread Sasha Levin
From: Alan Modra [ Upstream commit 56d20861c027498b5a1112b4f9f05b56d906fdda ] Call Frame Information is used by gdb for back-traces and inserting breakpoints on function return for the "finish" command. This failed when inside __kernel_clock_gettime. More concerning than difficulty debugging i

Re: PowerPC/VDSO: Correct call frame information

2018-09-19 Thread Michael Ellerman
On Fri, 2018-09-14 at 03:40:04 UTC, Alan Modra wrote: > Call Frame Information is used by gdb for back-traces and inserting > breakpoints on function return for the "finish" command. This failed > when inside __kernel_clock_gettime. More concerning than difficulty > debugging is that CFI is also

[PATCH] PowerPC/VDSO: Correct call frame information

2018-09-13 Thread Alan Modra
Call Frame Information is used by gdb for back-traces and inserting breakpoints on function return for the "finish" command. This failed when inside __kernel_clock_gettime. More concerning than difficulty debugging is that CFI is also used by stack frame unwinding code to implement exceptions. I