xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: Delete unused flush_cache_sigtramp()

Browse Source 
Commit adcc81f148 ("MIPS: math-emu: Write-protect delay slot emulation
pages") left flush_cache_sigtramp() unused. Delete the dead code.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: linux-mips@vger.kernel.org
This commit is contained in:
Paul Burton
2019-02-07 19:07:04 +00:00
parent c7e2d71dda
commit 3315b6b336
6 changed files with 0 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
arch/mips/mm/c-r3k.c
View File

@@ -274,30 +274,6 @@ static void r3k_flush_data_cache_page(unsigned long addr)
{
}
static void r3k_flush_cache_sigtramp(unsigned long addr)
{
unsigned long flags;
pr_debug("csigtramp[%08lx]\n", addr);
flags = read_c0_status();
write_c0_status(flags&~ST0_IEC);
/* Fill the TLB to avoid an exception with caches isolated. */
asm( "lw\t$0, 0x000(%0)\n\t"
"lw\t$0, 0x004(%0)\n\t"
: : "r" (addr) );
write_c0_status((ST0_ISC|ST0_SWC|flags)&~ST0_IEC);
asm( "sb\t$0, 0x000(%0)\n\t"
"sb\t$0, 0x004(%0)\n\t"
: : "r" (addr) );
write_c0_status(flags);
}
static void r3k_flush_kernel_vmap_range(unsigned long vaddr, int size)
{
BUG();
@@ -331,7 +307,6 @@ void r3k_cache_init(void)
__flush_kernel_vmap_range = r3k_flush_kernel_vmap_range;
flush_cache_sigtramp = r3k_flush_cache_sigtramp;
local_flush_data_cache_page = local_r3k_flush_data_cache_page;
flush_data_cache_page = r3k_flush_data_cache_page;