Commit 097fdf06 authored by Bodo Stroesser's avatar Bodo Stroesser Committed by Linus Torvalds
Browse files

[PATCH] uml: TT mode softint fixes 



Some fixes to make softints work in tt mode.

Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c83d4635

arch/um/kernel/time_kern.c

+3 −2
Original line number Diff line number Diff line
@@ -187,7 +187,8 @@ void timer_handler(int sig, union uml_pt_regs *regs) 
{

	local_irq_disable();

	irq_enter();

	update_process_times(CHOOSE_MODE(user_context(UPT_SP(regs)),

	update_process_times(CHOOSE_MODE(

	                     (UPT_SC(regs) && user_context(UPT_SP(regs))),

			     (regs)->skas.is_user));

	irq_exit();

	local_irq_enable();

arch/um/kernel/tt/trap_user.c

+3 −2
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ void sig_handler_common_tt(int sig, void *sc_ptr) 
{

	struct sigcontext *sc = sc_ptr;

	struct tt_regs save_regs, *r;

	int save_errno = errno, is_user;

	int save_errno = errno, is_user = 0;

	void (*handler)(int, union uml_pt_regs *);



	/* This is done because to allow SIGSEGV to be delivered inside a SEGV
@@ -35,6 +35,7 @@ void sig_handler_common_tt(int sig, void *sc_ptr) 
                GET_FAULTINFO_FROM_SC(r->faultinfo, sc);

        }

	save_regs = *r;

	if (sc)

		is_user = user_context(SC_SP(sc));

	r->sc = sc;

	if(sig != SIGUSR2)

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