lkml.org 
[lkml]   [2021]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 20/23] x86,usercopy: Remove .fixup usage
On Wed, Nov 10, 2021 at 11:01:22AM +0100, Peter Zijlstra wrote:
> +static bool ex_handler_ucopy_leng(const struct exception_table_entry *fixup,
> + struct pt_regs *regs, int trapnr, int reg, int imm)
> +{
> + regs->cx = imm * regs->cx + *pt_regs_nr(regs, reg);
> + return ex_handler_uaccess(fixup, regs, trapnr);
> +}
> +
> int ex_get_fixup_type(unsigned long ip)
> {
> const struct exception_table_entry *e = search_exception_tables(ip);
> @@ -217,6 +224,8 @@ int fixup_exception(struct pt_regs *regs
> return ex_handler_imm_reg(e, regs, reg, imm);
> case EX_TYPE_FAULT_SGX:
> return ex_handler_sgx(e, regs, trapnr);
> + case EX_TYPE_UCOPY_LEN:
> + return ex_handler_ucopy_leng(e, regs, trapnr, reg, imm);

"leng"?

--
Josh

\
 
 \ /
  Last update: 2021-11-11 08:52    [W:0.336 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site