diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-08-24 18:32:48 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-09-07 22:24:19 +0200 |
| commit | 886ee1363a3ad2b890959f07cffe8d91d995b93a (patch) | |
| tree | cfc912405501a4508cc56c6b9b73f4407cc37187 /arch/mips/kernel | |
| parent | 24a1c023f3ff3082fee9c019c17e6a34e2ddfe6b (diff) | |
MIPS: Convert ICACHE_REFILLS_WORKAROUND_WAR into a config option
Use a new config option to enable I-cache refill workaround and remove
define from different war.h files.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/signal.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index a0262729cd4c..f44265025281 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -545,6 +545,12 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) return err ?: protected_restore_fp_context(sc); } +#ifdef CONFIG_WAR_ICACHE_REFILLS +#define SIGMASK ~(cpu_icache_line_size()-1) +#else +#define SIGMASK ALMASK +#endif + void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size) { @@ -565,7 +571,7 @@ void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, sp = sigsp(sp, ksig); - return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK)); + return (void __user *)((sp - frame_size) & SIGMASK); } /* |