diff options
| author | Dr. David Alan Gilbert <linux@treblig.org> | 2025-03-03 00:44:41 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-03-03 11:19:52 +0100 |
| commit | 3101900218d7b6acbdee8af3e7bcf04acf5bf9ef (patch) | |
| tree | ddf5c0c533d6af6dcf751621d8da931692b0c628 | |
| parent | 73e8079be9e7ae5ed197d074e0ba6c43674c52f7 (diff) | |
x86/paravirt: Remove unused paravirt_disable_iospace()
The last use of paravirt_disable_iospace() was removed in 2015 by
commit d1c29465b8a5 ("lguest: don't disable iospace.")
Remove it.
Note the comment above it about 'entry.S' is unrelated to this
but stayed when intervening code got deleted.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20250303004441.250451-1-linux@treblig.org
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 20 |
2 files changed, 0 insertions, 22 deletions
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 8b36a9562191..8e21a1a85e74 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -242,8 +242,6 @@ extern struct paravirt_patch_template pv_ops; #define paravirt_ptr(op) [paravirt_opptr] "m" (pv_ops.op) -int paravirt_disable_iospace(void); - /* * This generates an indirect call based on the operation type number. * diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 1dc114c810ac..d0b789d04245 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -90,26 +90,6 @@ void paravirt_set_sched_clock(u64 (*func)(void)) static_call_update(pv_sched_clock, func); } -/* These are in entry.S */ -static struct resource reserve_ioports = { - .start = 0, - .end = IO_SPACE_LIMIT, - .name = "paravirt-ioport", - .flags = IORESOURCE_IO | IORESOURCE_BUSY, -}; - -/* - * Reserve the whole legacy IO space to prevent any legacy drivers - * from wasting time probing for their hardware. This is a fairly - * brute-force approach to disabling all non-virtual drivers. - * - * Note that this must be called very early to have any effect. - */ -int paravirt_disable_iospace(void) -{ - return request_resource(&ioport_resource, &reserve_ioports); -} - #ifdef CONFIG_PARAVIRT_XXL static noinstr void pv_native_write_cr2(unsigned long val) { |