Re: [PATCH] treewide: remove current_text_addr
From: "H. Peter Anvin" <hpa@zytor.com>
Date: 2018-08-26 04:58:10
Also in:
linux-m68k, linux-mips, linux-riscv, linux-um, linuxppc-dev
On 08/25/18 20:16, H. Peter Anvin wrote:
On 08/25/18 19:38, H. Peter Anvin wrote:quoted
If it was worthwhile it would make more sense to at least force this into the rodata section with the string, something like the attached file for an example; however, I have a hunch it doesn't matter.An even nuttier version which avoids the extra pointer indirection. Read it and fear. -hpa
OK, so one more thing, I guess: it is necessary to suppress the tailcall
optimization for _RET_IP_ to make any sense, but that should be pretty
simple:
static inline void notailcall(void)
{
asm volatile("");
}
-hpa